发明名称 |
HOMOGENEOUS, HIGH MODULUS ULTRAHIGH MOLECULAR WEIGHT POLYETHYLENE COMPOSITES, PROCESS FOR PREPARING THEREOF, PROSTHETIC APPLIANCES ON THE BASE OF THEM |
摘要 |
A homogeneous composite is provided comprising (a) about 0.5 to 90 % by weight of an ultrahigh molecular weight linear polyethylene having a molecular weight of at least about 400,000, a crystalline melting point of greater than 143 DEG C, the reduction of said melting point upon remelting being at least 3 DEG C, and a crystal morphology comprising a bimodal distribution of molecular chain fold spacings reflecting significant populations of both folded and very highly extended molecular chains, and (b) about 0.5 to 90 % by weight of at least one filler compound having a neutral-to-acidic surface, said polyethylene being polymerized onto the surface of said filler, and said composite being substantially free of polymer-free filler and of filler-free polymer. Also provided are processes for the preparation of such composites. |
申请公布号 |
LTIP1468(A) |
申请公布日期 |
1995.05.25 |
申请号 |
LTIP1468 |
申请日期 |
1993.11.12 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HOWARD,JR.,EDWARD GEORGE |
分类号 |
B29C67/00;B29K23/00;B29K105/16;C08F2/44;C08F4/60;C08F4/64;C08F4/659;C08F8/00;C08F10/02;C08F292/00;C08K3/00;C08L23/04 |
主分类号 |
B29C67/00 |
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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