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公开(公告)号：KR810001559B1
公开(公告)日：1981-10-27
申请号：KR780002991
申请日：1978-09-30
Applicant: STANDARD OIL CO OHIO
Inventor： HSIANG LI GEORGE SU , JORKASKY R JR
IPC: C08F291/00
Abstract: The title polymers are prepd. from maleic anhydride(I), a cyclic olefin, styrene(II), and a preformed rubber. Thus, a mixt. of I 25, II 40, Bz2O2 0.4 and MeCOEt 75 parts was added over 6 hr at 75oC to mixt. of SBR 15, II 10, β-pinene 25, and MeCOEt 25 parts and heated an addnl. hr at 70oC, giving a polymer with heat-distortion temp. 166oC, fluexural strength 8.41x103 psi, notched lzod impact strength 1.76 ftlb/in. notch, and tensile strength 5.06x103 psi.
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