The present invention relates to a composition and method for the preparation of biodegradable plant fiber molding compounds and more particularly relates to precisely biodegradable plant fiber thermosetting.
BACKGROUND OF THE INVENTION
The non-bio degrable polymers are major source of pollution. There are many ploymers like thermosetting, thermoplastic, polyethene. The Kitchen utensils, plates, electronic gagets cover and casing, automobiles etc are made from ploymers like thermosetting, thermoplastic. These polymer are cannot be decomposed by microorganism, because of their cross-linked polymer chain. It will 100 to 1000 years for such material to decomposes. Theses polymers are spoils soild fertility and as well as continat water. Such contaminated water consumed by human can cause deadly diseases like cancer. The polymer has entered our food chain. There are many solutions to takle these solutions like stop using it. Though polymers has enter into our life in such extent that if we directly stopping it will impact economy. Thus company started recycling but not all polymer are recyclable like thermosetting. Other to avoid using thermosetting is to use natural polymer like wood, natural but these are very limited and will increase afforestation and will firmer affect environment. Another way is not make such polymner that are bio degradable.
JPH08239553A discloses composition showing biodegradability despite of thermosetting property, having excellent properties such as hardness and heat resistance, by combinedly using a urea-formaldehyde resin with both a cellulosic material and a starch. CONSTITUTION: This resin composition comprises (A) a methylolurea obtained by reacting (i) urea with (ii) formaldehyde, (B) a cellulosic material (e.g. ground pulp) and (C) a starch (e.g. potato starch) by using 20-100 pts.wt. of the total of components B and C based on 100 pts.wt. of the component A and 5-95wt.% of the component B and 5-95wt.% of the component C based on the total value of the components B and C. In the component A, preferably 1.0-

1.5mol of the component (ii) based on lmol of the component (i) is used. The composition, for example, is obtained by reacting the component (i) with the component (ii) under neutral to weakly alkali conditions to synthesize mono- and dim ethyl olurea, adding the components B and C to the mono- and dimethylolureas, passing through an impregnation process of the component A and condensing, etc..
US9512304B2 disclosesa method for producing a resin composition, which, by means of simple steps, can uniformly disperse microfibrillated plant fiber in a highly hydrophobic resin and can impart enhanced mechanical strength to a molding material obtained by molding the resin composition. The present invention further provides a resin composition having excellent heat resistance and low linear thermal expansion. The present invention relates to a method for producing a resin composition, the method including a step of mixing a thermoplastic resin or thermosetting resin (A), and modified plant fiber (b) or modified microfibrillated plant fiber (B), in the presence of an organic liquid (C), the modified plant fiber (b) or modified microfibrillated plant fiber (B) being obtained by modification with an alkyl or alkenyl succinic anhydride in a liquid capable of swelling microfibrillated plant fiber (B') or plant fiber (b).
In the prior art, the existing invention uses process and chemicals wich are more harmful for environment. The existing invention is not the cost effective and thus effect economy. The present invention is capable of overcoming all drawbacks of the existing inventions hence there is a need for the present invention.
OBJECTIVE OF THE INVENTION
The main objective of the present invention is to make dio-degrable polymer compund.
The main objective of the present invention is to biodegradable plant fiber molding compounds.
Yet another objective of the present invention is to reduce use of non-biodegrable compound in modling of thermosetting based product.

Yet another objective of the present invention is to develop a biodegradable plant fiber molding compounds that decomposes in very less number of days.
Yet another objective of the present invention is to develop a biodegradable plant fiber molding compounds that can be prepared with minimun cost
Further objectives, advantages, and features of the present invention will become apparent from the detailed description provided herein below, in which various embodiments of the disclosed invention are illustrated by way of example.
SUMMARY OF THE PRESENT INVENTION
The present invention relates to composition and a method for the preparation of biodegradable plant fiber molding compounds. The method the preparation of biodegradable plant fiber molding compound having:
plant fiber is mechanically stripped using a grinding machine, without the use of any water, then, the plant fiber is extracted by sieving;
the plant fiber is then mixed with curing agent of an ammonium-based compound, and mold release agent from the stearate end group, thus forming a plant fiber mix;
urea and diluted formaldehyde of 0-40% strength is mixed in a container in presence of a metallic catalyst at 50-80-degree temp;
the mixture of urea and diluted formaldehyde is then added into the plant fiber mix and uniformly mixed;
the starch from fruit and vegetables is then added into the mixture of urea and diluted formaldehyde the plant fiber mix, thus forming a slurry and starch from 0-10% of the slurry;
the slurry so obtained is then flash dried at 90-110 degrees into solid lumps;
the solid lumps are the first grounded in the grinding machine;

the grounded solid lumps are then made into fine particles in a ball mill and a mold release agent of stearate is added to grounded solid lumps;
to enhance the biodegradation, nitrogen-based bioprotein is added and then the mixture is ground for 3-8 hours into a very fine biodegradable plant fiber molding compound;
thus, the biodegradable plant fiber molding compound so obtained is molded in different shapes;
the biodegradable plant fiber molding compound is weighted as per the molding die and kept aside;
on a pressure molding machine, the suitable die is fixed and heated, then the biodegradable plant fiber molding compound is added to the mold and compressed under pressure and heat for a few seconds;
then a mold is opened and the product is taken out and cleaned for final packaging.
Herein, the use of starch and other nitrogen-based proteins, help create hydrolysis end groups that are easily acted on by enzymes and microbes thereby breaking the bonds and material into composts in 180 days once the product is buried in the soil. Herein, the Molded product is broken and buried in the soil is found to decompose into compost steadily at a rate of 60% within 180 days and 90% in 365 days.
The main advantage of the present invention is that the present invention produce bio-degradable polymer.
Another advantage of the present invention is that the present invention reduces use of non-biodegrable compound in modling of thermosetting based product.
Yet another advantage of the present invention is that the present invention develop a biodegradable plant fiber molding compounds that decomposes in very less number of days

Yet another objective of the present invention is that the present invention develop a biodegradable plant fiber molding compounds that can be prepared with minimun cost.
Further objectives, advantages, and features of the present invention will become apparent from the detailed description provided hereinbelow, in which various embodiments of the disclosed invention are illustrated by way of example.
DETAILED DESCRIPTION OF THE INVENTION
While this invention is susceptible to embodiment in many different forms, there is shown in the drawings and will herein be described in detail specific embodiments, with the understanding that the present disclosure of such embodiments is to be considered as an example of the principles and not intended to limit the invention to the specific embodiments shown and described. In the description below, like reference numerals are used to describe the same, similar or corresponding parts in the several views of the drawings. This detailed description defines the meaning of the terms used herein and specifically describes embodiments in order for those skilled in the art to practice the invention.
Definition
The terms "a" or "an", as used herein, are defined as one or as more than one. The term "plurality", as used herein, is defined as two or more than two. The term "another", as used herein, is defined as at least a second or more. The terms "including" and/or "having", as used herein, are defined as comprising (i.e., open language). The term "coupled", as used herein, is defined as connected, although not necessarily directly, and not necessarily mechanically. The term "comprising" is not intended to limit inventions to only claiming the present invention with such comprising language. Any invention using the term comprising could be separated into one or more claims using "consisting" or "consisting of claim language and is so intended. The term "comprising" is used interchangeably used by the terms "having" or "containing". Reference throughout this document to "one embodiment", "certain embodiments", "an embodiment", "another embodiment",

and "yet another embodiment" or similar terms means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of such phrases or in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics are combined in any suitable manner in one or more embodiments without limitation. The term "or" as used herein is to be interpreted as an inclusive or meaning any one or any combination. Therefore, "A, B or C" means any of the following: "A; B; C; A and B; A and C; B and C; A, B and C". An exception to this definition will occur only when a combination of elements, functions, steps or acts are in some way inherently mutually exclusive.
As used herein, the term "one or more" generally refers to, but not limited to, singular as well as the plural form of the term.
The drawings featured in the figures are for the purpose of illustrating certain convenient embodiments of the present invention and are not to be considered as limitation thereto. Term "means" preceding a present participle of an operation indicates a desired function for which there is one or more embodiments, i.e., one or more methods, devices, or apparatuses for achieving the desired function and that one skilled in the art could select from these or their equivalent in view of the disclosure herein and use of the term "means" is not intended to be limiting.
Fig. 1 illustrates a method for preparation of biodegradable plant fiber molding compound. In step(102), plant fiber is mechanically stripped using a grinding machine, without the use of any water, then, the plant fiber is extracted by sieving. In step(104),the plant fiber is then mixed with curing agent of an ammonium-based compound, and mold release agent from the stearate end group, thus forming a plant fiber mix. In step(106),urea and diluted formaldehyde of 0-40% strength is mixed in a container in presence of a metallic catalyst at 50-80-degree temp, the mixture of urea and diluted formaldehyde is then added into the plant fiber mix and uniformly mixed. In step(108),the starch from fruit and vegetables is then added

into the mixture of urea and diluted formaldehyde the plant fiber mix, thus forming a slurry and starch from 0-10% of the slurry. In step(110),the slurry so obtained is then flash dried at 90-110 degrees into solid lumps, the solid lumps are the first grounded in the grinding machine. In step(l 12),the grounded solid lumps are then made into fine particles in a ball mill and a mold release agent of stearate is added to grounded solid lumps. In step(114),to enhance the biodegradation, nitrogen-based bioprotein is added and then the mixture is ground for 3-8 hours into a very fine biodegradable plant fiber molding compound, thus, the biodegradable plant fiber molding compound so obtained is molded in different shapes;
The present invention relates to composition and a method for the preparation of biodegradable plant fiber molding compounds. The method the preparation of biodegradable plant fiber molding compound having:
plant fiber is mechanically stripped using a grinding machine, without the use of any water, then, the plant fiber is extracted by sieving;
the plant fiber is then mixed with curing agent of an ammonium-based compound, and mold release agent from the stearate end group, thus forming a plant fiber mix;
urea and diluted formaldehyde of 0-40% strength is mixed in a container in presence of a metallic catalyst at 50-80-degree temp;
the mixture of urea and diluted formaldehyde is then added into the plant fiber mix and uniformly mixed;
the starch from fruit and vegetables is then added into the mixture of urea and diluted formaldehyde and the plant fiber mix, thus forming a slurry and starch from 0-10% of the slurry;
the slurry so obtained is then flash dried at 90-110 degrees into solid lumps;
the solid lumps are the first grounded in the grinding machine;

the grounded solid lumps are then made into fine particles in a ball mill and a mold release agent of stearate is added to grounded solid lumps;
to enhance the biodegradation, nitrogen-based bioprotein is added and then the mixture is ground for 3-8 hours into a very fine biodegradable plant fiber molding compound;
thus, the biodegradable plant fiber molding compound so obtained is molded in different shapes;
the biodegradable plant fiber molding compound is weighted as per the molding die and kept aside;
on a pressure molding machine, the suitable die is fixed and heated, then the biodegradable plant fiber molding compound is added to the mold and compressed under pressure and heat for a few seconds;
then a mold is opened and the product is taken out and cleaned for final packaging.
Herein, the use of starch and other nitrogen-based proteins, help create hydrolysis end groups that are easily acted on by enzymes and microbes thereby breaking the bonds and material into composts in 180 days once the product is buried in the soil. Herein, the Molded product is broken and buried in the soil is found to decompose into compost steadily at a rate of 60% within 180 days and 90% in 365 days.
In an embodiment, herein, the biodegradable plant fiber molding compound is based on chain end groups that help in biodegradation when the material is subject to contact of heat, temperature, moisture, soil, and organism activity and for all of this to happen the compound need to be 70-90% natural-based compound bound by crosslinking polymers that are broken down by organisms and by hydrolysis of the cross-linking bond. In an embodiment, herein, the biodegradable plant fiber molding compound is a thermosetting mix that has 70-90%) natural materials. In the preferred embodiment, the natural materials are plant fiber and starch.

In an embodiment, herein, the plant fiber is including but is not limited to, bamboo, rice paddy, wheat straw, lined, cotton waste, and hemp. In an embodiment, herein, the starch is including but is not limited to corn, maize, potato, and cassava. In the preferred embodiment, herein, to enhance the biodegradation, nitrogen-based bioprotein is added in the range of 15 % of the weight of the biodegradable plant fiber molding compound. In the preferred embodiment, herein, the grinding machine is selected from an air curated mill machine and. Ball mill machine.
In an embodiment, the present invention is related to an composition of biodegradable plant fiber molding compound, the composition comprising of:
a plant fiber the form 70-90 % of the biodegradable plant fiber molding
compound;
urea and diluted formaldehyde;
a starch;
a nitrogen-based protein; wherein, the plant fiber is also mixed with mold release agent from the stearate end group and metallic catalyst.
Further objectives, advantages, and features of the present invention will become apparent from the detailed description provided herein below, in which various embodiments of the disclosed present invention are illustrated by way of example and appropriate reference to accompanying drawings. Those skilled in the art to which the present invention pertains may make modifications resulting in other embodiments employing principles of the present invention without departing from its spirit or characteristics, particularly upon considering the foregoing teachings. Accordingly, the described embodiments are to be considered in all respects only as illustrative, and not restrictive, and the scope of the present invention is, therefore, indicated by the appended claims rather than by the foregoing description or drawings. Consequently, while the present invention has been described with reference to particular embodiments, modifications of structure, sequence,

materials and the like apparent to those skilled in the art still fall within the scope of the invention as claimed by the applicant

I/WE CLAIM

1. A method for preparation of biodegradable plant fiber molding compound, the
method comprising:
plant fiber is mechanically stripped using a grinding machine, without the use of any water, then, the plant fiber is extracted by sieving;
the plant fiber is then mixed with curing agent of an ammonium-based compound, and mold release agent from the stearate end group, thus forming a plant fiber mix;
urea and diluted formaldehyde of 0-40% strength is mixed in a container in presence of a metallic catalyst at 50-80-degree temp;
the mixture of urea and diluted formaldehyde is then added into the plant fiber mix and uniformly mixed;
the starch from fruit and vegetables is then added into the mixture of urea and diluted formaldehyde the plant fiber mix, thus forming a slurry and starch from 0-10% of the slurry;
the slurry so obtained is then flash dried at 90-110 degrees into solid lumps;
the solid lumps are the first grounded in the grinding machine;
the grounded solid lumps are then made into fine particles in a ball mill and a mold release agent of stearate is added to grounded solid lumps;
to enhance the biodegradation, nitrogen-based bioprotein is added and then the mixture is ground for 3-8 hours into a very fine biodegradable plant fiber molding compound;
thus, the biodegradable plant fiber molding compound so obtained is molded in different shapes;
the biodegradable plant fiber molding compound is weighted as per the molding die and kept aside;
on a pressure molding machine, the suitable die is fixed and heated, then the biodegradable plant fiber molding compound is added to the mold and compressed under pressure and heat for few seconds;
then a mold is opened and the product is taken out and cleaned for final packaging.

Wherein, the use of starch and other nitrogen-based proteins, help create hydrolysis end groups that are easily acted on by enzymes and microbes thereby breaking the bonds and material into composts in 180 days once the product is buried in the soil,
Wherein, the Molded product is broken and buried in the soil is found to decompose into compost steadily at a rate of 60% within 180 days and 90% in 365 days.
2. The biodegradable plant fiber molding compound as claimed in claim 1, wherein, the biodegradable plant fiber molding compound is based on chain end groups that help in biodegradation when the material is subject to contact of heat, temperature, moisture, soil, and organism activity and for all of this to happen the compound need to be 70-90% natural-based compound bound by crosslinking polymers that are broken down by organisms and by hydrolysis of the cross-linking bond.
3. The biodegradable plant fiber molding compound as claimed in claim 1, wherein, the biodegradable plant fiber molding compound is a thermosetting mix that has 70-90%) natural materials.
4. The natural materials as claimed in claim 3, wherein, natural materials are plant fiber and starch.
5. The plant fiber as claimed in claims 1 and 3, wherein, the plant fiber is selected from bamboo, rice paddy, wheat straw, lined, cotton waste, and hemp.
6. The starch as claimed in claim 1, wherein, the starch is selected from corn, maize, potato, and cassava.
7. The nitrogen-based bioprotein as claimed in claim 1, wherein, to enhance the biodegradation, nitrogen-based bioprotein is added in the range of 15 %> of the weight of the biodegradable plant fiber molding compound.
8. The grinding machine as claimed in claim 1, wherein, the grinding machine is selected from an air curated mill machine and. Ball mill machine.
9. An composition of biodegradable plant fiber molding compound, the
composition comprising of:
a plant fiber the form 70-90 %> of the biodegradable plant fiber molding compound;
a urea and diluted formaldehyde; a starch;

a nitrogen-based protein; wherein, the plant fiber is also mixed with mold release agent from the stearate end group and metallic catalyst.