Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1980-09-30
1981-09-15
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
260 296RW, 428248, 428252, 428264, 428265, 428284, 428286, 428310, 428315, 428407, 525296, 525902, B32B 700
Patent
active
042898234
ABSTRACT:
There is disclosed a calenderable, soft, three-stage acrylic heteropolymer having a calculated T.sub.g of about (-) 40.degree. to (=) 20.degree. C. which is suitable for producing films and sheets useful to coat textile materials and other substrates to form composites. The heteropolymer can be coagulated and then introduced into a calendering apparatus to produce films and sheets at substantially lower temperatures than are required for calendering vinyl halide polymers.
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Bell James J.
Johnson Lester E.
Rohm and Haas Company
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