Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – By mechanically introducing gas into material
Patent
1988-11-09
1990-07-03
Lorin, Hubert C.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
By mechanically introducing gas into material
264178R, 264205, 2642101, 26421118, 2642112, 26421121, 264237, 2642893, 2642896, 264319, 264343, 264348, B29B 1500, D01F 604
Patent
active
049389114
ABSTRACT:
A process is described for the preparation of highly stretchable high-molecular weight polyolefin gel articles and polyolefin gel articles prepared therefrom having combined high tensile strength and high modulus, wherein an initial shaped article of the polyolefin is exposed to or contacted with a swelling agent to form an intermediate swollen article, which is then converted to the gel state and then subsequently subjected to stretching at up to relatively high draw ratios.
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Bastiaansen Cornelis W. M.
Lemstra Pieter J.
Meijer Henricus E. H.
Lorin Hubert C.
Stamicarbon B.V.
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