Thoi Ho resumes & CV records
Resumes
Thoi Ho
Thoi Ho
Thoi Ho
Location:
United States
Thoi D Ho DeceasedSanta Ana, CA
Thoi Ho Phones & Addresses
Santa Ana, CA
Westminster, CA
Anaheim, CA
Garden Grove, CA
Mentions for Thoi D Ho
Publications & IP owners
Us Patents
Process For Preparing Thermoplastic Vulcanizates
US Patent:
6277916, Aug 21, 2001
Filed:
Feb 25, 1999
Appl. No.:
9/257771
Inventors:
Robert H. Terbrueggen - Pasadena CA
Ray E. Drumright - Midland MI
Thoi H. Ho - Lake Jackson TX
Ray E. Drumright - Midland MI
Thoi H. Ho - Lake Jackson TX
Assignee:
The Dow Chemical Company - Midland MI
International Classification:
C08L 5300
US Classification:
525 95
Abstract:
This invention includes a process for forming a thermoplastic vulcanizate comprising: (a) admixing a C--H insertion curing agent with at least one elastomeric phase polymer to form a first admixture; (b) admixing at least one non-elastomeric polyolefin with the first admixture to form a second admixture; and (c) heating the second admixture to a temperature at least the decomposition temperature of the curing agent to crosslink the elastomeric phase while mixing the admixture to an extent sufficient to result in the formation of a thermoplastic material, hereinafter referred to as a thermoplastic vulcanizate, and optionally including an additional step (d) of shaping the resulting thermoplastic vulcanizate, especially by heating and foaming or molding the TPV. The C--H insertion curing agent is preferably selected from alkyl and aryl azides (R--N. sub. 3), acyl azides (R--C(O)N. sub.
Possible Relatives
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