Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-02-26
1997-02-25
Clark, W. Robinson H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 80, 525 84, 525 85, 525 86, 525902, C08L 2904
Patent
active
056059604
ABSTRACT:
Polymers containing a high percentage of vinyl alcohol units are difficult to process into sheet, film, injection-molded objects, or fibers. Such melt-processing is greatly enhanced by admixing certain core/shell copolymers having either a rubbery, crosslinked core mainly formed from polymerization of butadiene and/or of an alkyl acrylate, or a non-cross-linked core derived mainly of units derived from an alkyl acrylate, and an outer shell mainly formed from polymerization of methyl methacrylate. Such copolymers do not require the presence of functional groups capable of reaction with the hydroxyl groups of the poly(vinyl alcohol) to impart the improved processing.
REFERENCES:
patent: 3833686 (1974-09-01), Grochowski et al.
patent: 4086296 (1978-04-01), Carty et al.
patent: 5147930 (1992-09-01), LaFleur et al.
patent: 5189097 (1993-02-01), LaFleur et al.
patent: 5208083 (1993-05-01), Freed
patent: 5296537 (1994-03-01), LaFleur et al.
patent: 5322892 (1994-06-01), LaFleur et al.
patent: 5362801 (1994-11-01), Amici et al.
patent: 5362802 (1994-11-01), Amici et al.
patent: 5362803 (1994-11-01), LaFleur et al.
patent: 5378758 (1995-01-01), Amici et al.
patent: 5378759 (1995-01-01), Amici et al.
patent: 5389724 (1995-02-01), LaFleur et al.
Brady Jean M.
Diaz Thierry C. C.
Clark W. Robinson H.
Graham Roger K.
Rohm and Haas Company
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