Thermoplastic molding composition having high clarity

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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C525S094000, C525S098000

Reexamination Certificate

active

10676925

ABSTRACT:
A clear and ductile thermoplastic molding composition containing (i) a styrene copolymer and (ii) a rubber component is disclosed. The styrene copolymer is represented by styrene-acrylonitrile copolymer and the rubber component is a styrene-butadiene-styrene (SBS) block copolymer. Characterized by its low haze, high light transmission, good processability and mechanical properties the composition is suitable for making a variety of useful articles.

REFERENCES:
patent: 5180535 (1993-01-01), Yamaoka et al.
patent: 5879596 (1999-03-01), Roach
patent: 5905118 (1999-05-01), Padwa
patent: 5973074 (1999-10-01), Campbell et al.
patent: 6040370 (2000-03-01), Wozny et al.
patent: 6040382 (2000-03-01), Hanes
Iranian Journal of Polymer Science and Technology, vol. 4, No. 3, (month unavailable) 1995, XP008041111, pp. 21-216, J. K. Kim, “The Effect of Acrylonitrile Content of Styrene-Acrylonitrile Copolymer on Styrene-Acrylonitrile/Styrene-Butadiene-Styrene Alloy System”.

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