Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1985-08-28
1987-05-26
Michl, Paul R.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
252 629, 526255, B29C 7104
Patent
active
046684492
ABSTRACT:
An article comprising vinylidene fluoride polymer which has been rendered piezoelectric by stretching the article to a final draw ratio of less than about 6:1 and polarizing and has an equivalent activity A* of at least 6, where A* is given by
REFERENCES:
patent: 3878274 (1975-04-01), Murayama
patent: 4308370 (1981-12-01), Fukada
patent: 4427609 (1984-01-01), Broussoux
patent: 4560737 (1985-12-01), Yamamoto
patent: 4592880 (1986-06-01), Murakami
Glendinning Alan B.
Soni Pravin L.
Burkard Herbert G.
Chao Yuan
Michl Paul R.
Raychem Corporation
Rice Edith A.
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