A product including ultrafine natural glass, methods of producing the ultrafine natural glass, and methods of use thereof are provided. The product may have, for example, a small top cut (d99) particle size of, for example, less than 12 microns. The product may also have high blue light brightness h
A product including ultrafine natural glass, methods of producing the ultrafine natural glass, and methods of use thereof are provided. The product may have, for example, a small top cut (d99) particle size of, for example, less than 12 microns. The product may also have high blue light brightness higher than, for example, 69, and/or low oil absorption, for example, less than 100 percent in volume. The product may be used in a variety of applications, such as, for example, anti-block filler in plastic films and/or reinforcement filler in polymers.
대표청구항▼
1. A product comprising ultrafine natural glass having a median (d50) particle size of less than 5 microns and a top cut (d100) particle size less than 20 microns, wherein the ultrafine natural glass comprises unexpanded perlite ore, and wherein the unexpanded perlite ore comprises from 2 wt % to 10
1. A product comprising ultrafine natural glass having a median (d50) particle size of less than 5 microns and a top cut (d100) particle size less than 20 microns, wherein the ultrafine natural glass comprises unexpanded perlite ore, and wherein the unexpanded perlite ore comprises from 2 wt % to 10 wt % chemically-bonded water. 2. The product according to claim 1, wherein the unexpanded perlite ore further has a median (d50) particle size of less than 3 microns. 3. The product according to claim 1, wherein a top cut (d99) particle size is less than 10 microns. 4. The product according to claim 1, wherein a top cut (d99) particle size ranges from 7 microns to 12 microns. 5. The product according to claim 1, wherein the unexpanded perlite ore further has an oil absorption of less than about 100 percent by weight. 6. The product according to claim 1, wherein the unexpanded perlite ore further has an oil absorption of less than about 80 percent by weight. 7. The product according to claim 1, wherein the unexpanded perlite ore further has an oil absorption of less than about 75 percent by weight. 8. The product according to claim 1, wherein the unexpanded perlite ore further has an oil absorption of less than about 70 percent by weight. 9. The product according to claim 1, wherein the unexpanded perlite, ore further has a blue light brightness of greater than 69. 10. The product according to claim 1, wherein the unexpanded perlite ore further has an L-value whiteness of greater than 80. 11. The product according to claim 1, wherein the unexpanded perlite ore further has a Hunter l-value whiteness of greater than 85. 12. The product according to claim 1, wherein the unexpanded perlite ore further has a Hunter b-value yellowness of less than 5. 13. The product according to claim 1, wherein the unexpanded perlite ore further has a Hunter a-value redness of less than 1.5. 14. The product according to claim 1, wherein a surface of the product is modified by silanization. 15. A polymer composition comprising the product according to claim 1. 16. The polymer composition of claim 15, wherein said polymer is a polyolefin. 17. The polymer composition of claim 15, wherein said polymer is selected from the group consisting of aliphatic and aromatic, polyesters; polyester block copolymers; aliphatic and aromatic polyamides; vinyl polymers; fluorocarbon polymers; polyurethanes; polyethers; polyether and polyester block polymers; polysulfides; polysulfones; polysiloxanes; polycarbonates; and copolymers, terpolymers, and blends thereof.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (5)
Cornett Arlen C., Antiblock agent for polyolefin films.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.