Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-10-26
1989-04-18
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525431, 525432, 525474, C08L 5100
Patent
active
048228524
ABSTRACT:
The invention relates to thermoplastic molding compositions showing improved properties, more especially improved dimensional stability and notched impact strength, particularly at low temperatures, in the form of a mixture of at least 35% by weight of a copolyamide containing polydiorganosiloxane carbonamide units and/or of a mixture of partly crystalline polyamides and (co)polyamides containing polydiorganosiloxane carbonamide units and from 1 to 65% by weight of graft products of vinyl polymers on rubbers.
The invention also relates to the dimensionally stable molding compositions tough at low temperatures characterized above which additionally contain amorphous siloxane-free polyamides added in quantities of up to 64% by weight.
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patent: 4404317 (1983-09-01), Epstein et al.
patent: 4405748 (1983-09-01), Nielinger et al.
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patent: 4423186 (1983-12-01), Grigo et al.
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"Chemie und Technologie der Silicone", Verlag Chemie GMBV, Weinheim/Bergstr. (1968), pp. 107-111 and 149-160.
Idel Karsten-Josef
Lindner Christian
Merten Josef
Selbeck Harald
Westeppe Uwe
Bayer Akteingesellschaft
Dean Jr. Ralph H.
Jacobs Lewis T.
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