FIELD: chemistry.
SUBSTANCE: invention can be used in production of rigid transparent containers or other packaging materials, particularly for food products and drinks, made through traditional hot shaping or other moulding processes or profiling with high degree of alignment. The polymer composition contains a matrix of monovinylidene aromatic polymer and from 1.5 to 8.0 vol % rubber which is dispersed in form of cross-linked rubber particles with volume dimension from 0.1 to 1.5 mcm, having a nucleus/shell morphology. The rubber contains conjugated diene block-copolymer rubber containing from 15 to 60 wt % blocks of monovinylidene aromatic monomer and optionally from 1 to 4 wt % mineral oil.
EFFECT: polymer composition has improved combination of strength, manufacturability and transparency.
17 cl, 7 tbl, 1 ex
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|---|---|---|---|
| FOAMED POLYSTYRENE SHEET, METHOD FOR THERMAL FORMING OF DEEP DRAWN PRODUCTS FROM FOAMED THERMOPLAST AND DEEP DRAWN PRODUCT MANUFACTURED FROM FOAMED THERMOPLASTIC SHEET | 1994 |
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| THERMOPLASTIC COMPOSITION | 1991 |
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| THERMOPLASTIC COMPOSITION | 1991 |
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