Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation
Patent
1997-04-24
1998-08-18
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
With twining, plying, braiding, or textile fabric formation
26417123, 26417124, 2641731, 264211, 427209, 427365, B29C 4706, B32B 512
Patent
active
057955166
ABSTRACT:
A method for fabricating olefin tarpaulins by treating both sides of a base fabric woven from high strength polyester filaments with a coating composition using an extruder followed by compressing the coated polyester fabrics with a calendering roller. The coating composition is obtained by dry-blending or melt-blending LLDPE (linear low density polyethylene) or LDPE (low density polyethylene) in an amount of 15.about.94.5% by weight with an elastomer of ethylene-.alpha.-olefin co-polymer of 5.about.60% by weight which are (i) ethylene propylene rubbers or (ii) co-polymers of ethylene and octene or butene; coloring master batch chip in an amount of 0.5.about.15% by weight obtained by mixing LLDPE or LDPE with pigments or titanium dioxide; and adhesion-preventing master batch chip of 0.about.10% by weight obtained by mixing LLDPE or LDPE with silica or calcium carbonate.
REFERENCES:
patent: 4259379 (1981-03-01), Britton et al.
patent: 4298645 (1981-11-01), Obayashi et al.
patent: 4407690 (1983-10-01), White
patent: 4929303 (1990-05-01), Sheth
Cho Suh H.
Jung Chang B.
Jung Il Y.
Kang Chung S.
Kim Chang G.
Kolon Industries Inc.
Tentoni Leo B.
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