Abrasive products and methods for finishing hard surfaces
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B24D-011/00
B24D-003/28
B24B-001/00
B24B-029/00
C09K-003/14
출원번호
US-0630375
(2012-09-28)
등록번호
US-9168638
(2015-10-27)
발명자
/ 주소
Manning, James J.
Sternberg, Mark E.
Wang, Jianna
출원인 / 주소
Saint-Gobain Abrasives, Inc.
대리인 / 주소
Sullivan, Joseph P.
인용정보
피인용 횟수 :
2인용 특허 :
89
초록▼
A coated abrasive product includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder, wherein the abrasive aggregates are dispersed within a polymer resin coating,
A coated abrasive product includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder, wherein the abrasive aggregates are dispersed within a polymer resin coating, and wherein the coated abrasive product is capable of superfinishing a metal surface having an initial Ra in the range of about 1.5 micro inches to about 12.5 micro inches prior to application of the coated abrasive product and after application the surface has an Ra of less than 1.0 micro inch.
대표청구항▼
1. A coated abrasive product comprising: a backing; andan abrasive composition,wherein the abrasive composition comprises polymeric resin,abrasive aggregates,a crosslinking agent,a thixotropic agent, andwherein the abrasive aggregates are green, unfired and have a generally spheroidal or toroidal sh
1. A coated abrasive product comprising: a backing; andan abrasive composition,wherein the abrasive composition comprises polymeric resin,abrasive aggregates,a crosslinking agent,a thixotropic agent, andwherein the abrasive aggregates are green, unfired and have a generally spheroidal or toroidal shape and are formed from a composition comprising abrasive grit particles and a nanoparticle binder, andwherein the abrasive composition is applied to the backing, andwherein the ration of polymeric resin to crosslinking agent ranges from about 9.5:1 to about 12.5:1. 2. The coated abrasive product of claim 1, wherein the polymeric resin is a polyester resin, an epoxy resin, or combinations thereof. 3. The coated abrasive product of claim 2, wherein the polymeric resin is a combination of polyester resin and epoxy resin. 4. The coated abrasive product of claim 3, wherein the ratio of polyester resin to epoxy resin ranges from about 1:4 to about 1:2.2. 5. The coated abrasive product of claim 1, wherein the ratio of green, unfired abrasive aggregate to polymeric resin ranges from about 1.25:1 to about 2.25:1. 6. The coated abrasive product of claim 1, wherein the abrasive composition comprises about 11 wt % to about 44 wt % polymeric resin,about 20 wt % to about 50 wt % green, unfired abrasive aggregates,about 0.5 wt % to about 5.0 wt % of crosslinking agent, andabout 0.5 wt % to about 10 wt % of thixotropic agent. 7. The coated abrasive product of claim 6, wherein the abrasive slurry further comprises about 0.5 to about 3.0 wt % of surfactant. 8. The coated abrasive product of claim 6, wherein the polymeric resin comprises about 2.0 wt % to about 15 wt % of polyester resin and the remainder is epoxy resin. 9. The coated abrasive product of claim 6, wherein the thixotropic agent comprises about 0.5 wt % to about 3.0 wt % of a first thixotrope and the remainder is a second thixotrope. 10. A coated abrasive product comprising a polymeric film backing, anda cured abrasive composition disposed on the backing comprising: polymeric resin;green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising diamond abrasive grit particles and a nanoparticle binder;a crosslinking agent; anda thixotropic agent;wherein the ratio of green, unfired abrasive aggregate to polymeric resin ranges from about 1.25:1 to about 2.25:1 and the ratio of polymeric resin to crosslinking agent ranges from about 9.5:1 to about 12.5:1. 11. The coated abrasive product of claim 10, wherein the cured abrasive composition comprises: about 16 wt % to about 60 wt % polymeric resin;about 83 wt % to about 28 wt % green, unfired abrasive aggregates;about 0.5 wt % to about 4.0 wt % of crosslinking agent; andabout 0.5 wt % to about 8.0 wt % of thixotropic agent. 12. The coated abrasive product of claim 11, wherein the cured abrasive composition further comprises about 0.5 to about 3.0 wt % of surfactant. 13. The coated abrasive product of claim 11, wherein the polymeric resin comprises about 4.0 wt % to about 25 wt % of polyester resin and the remainder is epoxy resin. 14. The coated abrasive product of claim 11, wherein the thixotropic agent comprises about 0.5 wt % to about 3.0 wt % of a first thixotrope and the remainder is a second thixotrope. 15. A coated abrasive product comprising: a backing; andan abrasive composition,wherein the abrasive composition comprises polymeric resin,abrasive aggregates,a crosslinking agent,a thixotropic agent, andwherein the abrasive aggregates are green, unfired and have a generally spheroidal or toroidal shape and are formed from a composition comprising abrasive grit particles and a nanoparticle binder, andwherein the abrasive composition is applied to the backing, andwherein the ratio of green, unfired abrasive aggregate to polymeric resin ranges from about 1.25:1 to about 2.25:1.
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이 특허에 인용된 특허 (89)
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