Title: Thermoplastic compositions of rubber and polyester

Abstract: Thermoplastic compositions are described comprising blends of cross-linked rubber and thermoplastic linear crystalline polyester. Any thermoplastic polyesters having a softening point above 50.degree. C. are suitable. Satisfactory rubbers include natural or synthetic diene rubber, polyurethane rubber and nitrile rubber. The blends may also contain plasticizers.

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Inventors: Coran, Aubert Y. (Akron, OH, US)
Patel, Raman (Akron, OH, US)

Application Number: 903092
Filing Date: 1978-05-05
Publication_date: 1979-02-27
Assignee: Monsanto Company (St. Louis, MO)
Primary Class(es): 525/146 525/175, 525/177, 525/186, 525/440
Other Classes:
US Patent Ref:

3231634	Jan, 1966	Wismer et al.	260/873.
3554857	Jan, 1971	Barton	260/3.
3564077	Feb, 1971	Brinkmann et al.	260/873.
3697310	Dec, 1972	Kurihara et al.	260/3.
3705868	Dec, 1972	Honda et al.	260/3.
3742088	Jun, 1973	Holder et al.	260/873.
3756906	Sep, 1973	Leyland et al.	260/3.
3793132	Feb, 1974	Bhakuni et al.	260/3.
3793400	Feb, 1974	Curtis et al.	260/873.
3813358	May, 1974	O'Connell	260/873.
3864428	Feb, 1975	Nakamura et al.	260/873.
3919353	Nov, 1975	Castelnuovo et al.	260/873.
4013613	Mar, 1977	Abolins et al.	260/873.

Other Refs: 1408987

Oct, 1975	GB.

Primary Examiner: Jacobs, Lewis T.
Assistant Examiner:
Attorney: Swaney; Larry R.