Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1977-10-20
1980-05-13
Beck, Shrive P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
427421, 428461, 428500, 428511, 428515, 425537, B32B 300, B32B 714
Patent
active
042029244
ABSTRACT:
Coating compositions comprising an acrylic solution polymer having a molecular weight of about 30,000 to 250,000 and a Tg above 65.degree. F., a solvent therefor, and a compatible acrylic polymer having a Tg less than -20.degree. F., which is soluble in the same solvent, coated substrates, and especially coated impact-modified acrylic sheets having improved resistance to impact.
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patent: 3068118 (1962-12-01), Biskup et al.
patent: 3220731 (1965-11-01), Germino et al.
patent: 3475516 (1969-10-01), Bauer et al.
patent: 3520861 (1970-07-01), Thomson et al.
patent: 3554787 (1971-01-01), Plymale
patent: 3641199 (1972-02-01), Niederhauser et al.
patent: 3653950 (1972-04-01), Bonsignore
patent: 3697312 (1972-10-01), Johnson et al.
patent: 3746561 (1973-07-01), Gordy
patent: 3793402 (1974-02-01), Owens
patent: 3862062 (1975-01-01), Harper
Plastics Encyclopedia, Issue for 1968, 9/1967, vol. 45/No. 1A, p. 495.
Beck Shrive P.
Fein Michael B.
Johnson Lester E.
Rohm and Haas Company
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