Plastic and nonmetallic article shaping or treating: processes – Orienting or aligning solid particles in fluent matrix material
Patent
1978-03-29
1980-05-13
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Orienting or aligning solid particles in fluent matrix material
260 5, 264171, 264175, 264236, 264347, 525236, B29D 302
Patent
active
042028507
ABSTRACT:
Disclosed is a process for producing fiber-reinforced elastic articles comprising: 1 to 20 parts by weight of 1,2-polybutadiene fibrils dispersed in a matrix of 100 parts by weight of a rubber material. In the process, the 1,2-polybutadiene in the form of particles are dispersed in the matrix of rubber material; the dispersion is extruded through a die at a temperature of at least 5.degree. C. above the melting point of 1,2-polybutadiene, but not exceeding 240.degree. C., to convert the particles of 1,2-polybutadiene into fibrils; the extruded dispersion is rolled by means of a pair of rollers to increase the degree of molecular orientation of the 1,2-polybutadiene fibrils, and; a composition comprising an elastic material matrix, the 1,2-polybutadiene fibrils dispersed in the elastic material matrix and a vulcanizing agent is shaped and vulcanized at an elevated temperature.
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Kaijiri Kouhei
Oda Denichi
Yamamoto Shinji
Thurlow Jeffery R.
Ube Industries Ltd.
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