Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2007-06-05
2007-06-05
Yoon, Tae H (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C524S445000, C524S493000
Reexamination Certificate
active
10476541
ABSTRACT:
The invention provides a method for increasing the viscosity of halogenated (brominated) elastomeric copolymers of a C4to C7isomonoolefin (isobutylene) and a para-alkylstryrene (p-methylstyrene) by mixing the copolymer with a silica or clay particulate filler which has been contacted with an aminosilane containing at least one C1to C4alkoxy group and at least one primary, secondary or tertiary amine group. The resulting elastomer compositions are used to prepare thermoplastic elastomer blend compositions, containing more finely dispersed elastomers which results in compositions having improved mechanical properties.
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Duvdevani Ilan
Lyon Michael K.
McElrath Kenneth O.
Tse Mun Fu
Tsou Andy H.
ExxonMobil Chemical Patents Inc.
Feng Xiaobing
Yoon Tae H
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