Claims:1. A paper comprising glass microspheres, wherein said glass microspheres are hollow glass microspheres and have a density in the range of 0.13g/cc-0.49g/cc.
2. The paper as claimed in claim 1, wherein said glass is borosilicate glass.
3. The paper as claimed in claim 1, wherein said glass microspheres have particle size in the range of 70-120 micron.
4. The paper as claimed in claim 1, wherein said glass microspheres have particle size in the range of 105-115 micron.
5. The paper as claimed in claim 1, wherein said glass microspheres present in the range of 0.1-10% with respect to paper.
6. A method to improve bulk and stiffness of paper comprising the steps of; (a)obtaining a pulp;
(b) mixing the pulp with glass microspheres to obtain processed pulp, wherein said glass microspheres are hollow glass microspheres and have a density in the range of 0.13g/cc-0.49g/cc ;
(c) passing the processed pulp through mesh of wire;
(d) processing the processed pulp to obtain paper.
7. The method as claimed in claim 6, wherein said pulp is selected from the group consisting of chemi-thermo-mechanical pulp, chemical pulp, mechanical pulp, recycled pulp.
8. The method as claimed in claim 6, wherein said glass microspheres is borosilicate glass.
9. The method as claimed in claim 6, wherein said glass microspheres have a particle size in the range of 70-120 micron.
10. The method as claimed in claim 6, wherein said glass microspheres have a particle size in the range of 105-115 micron.
11. Use of paper as claimed in claim 1 for making paperboard, packaging material, printing, and writing paper
, Description:As Attached