发明名称 |
SYSTEM FOR PREPARING GLASS FIBER PELLETS HAVING LOW DISCOLORATION |
摘要 |
A two-part sizing system for making colorless, densified fiber pellets of a reinforcing fiber material. The densified product may be advantageously produced by first applying a precursor size composition to reinforcing fiber strands, chopping the reinforcing fiber strands into chopped strand segments, applying a binder size, and densifying the chopped strand segments to form densified fiber pellets. The binder size is formulated using a copolymer of maleic anhydride which generates a product free from discoloration. In the process of making the pellets, the sized chopped stran ds are densified by tumbling in a rotating chamber for a period of time sufficient to increase their density but insufficient to degrade the fibers to a point where composite articles formed from such pellets have lower tensile or impact strengths than comparable composit e articles formed from unpelletized strand segments. |
申请公布号 |
CA2404200(C) |
申请公布日期 |
2009.04.07 |
申请号 |
CA20002404200 |
申请日期 |
2000.12.12 |
申请人 |
OWENS CORNING;OWENS CORNING COMPOSITES S.P.R.L. |
发明人 |
COSSEMENT, MARC;MASSON, NADIA;CHENEY, TERRY L.;PIRET, WILLY;THOMASON, JAMES L.;HENRION, JEAN-MARC;ADZIMA, LEONARD J. |
分类号 |
C03C25/10;C08J5/08;C03B37/14;C03C25/14;C03C25/26;C08L23/08;C08L35/00;D06M13/513;D06M15/263;D06M15/53 |
主分类号 |
C03C25/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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