Aqueous-based sealant compositions

C - Chemistry – Metallurgy – 09 – K

Patent

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Details

400/9300, 400/93

C09K 3/10 (2006.01) C08L 27/08 (2006.01) C09D 127/08 (2006.01)

Patent

CA 1270987

ABSTRACT Aqueous-based sealant composition comprising at least one vinylidene chloride copolymer which has modal molecular weight Mp of at least 200,000, wherein the composition has Tg below 0°C. The vinylidene chloride copolymer preferably includes polymerised units of an internally plasticising comonomer and an unsaturated carboxylic acid. The composition preferably includes an external plasticiser and a filler material (particularly untreated calcium carbonate).

538097

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