Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1995-09-01
1998-05-26
Le, H. Thi
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
427222, B32B 516, B05D 700
Patent
active
057562105
ABSTRACT:
Composite core/sheath particulates comprising an organic polymer core at least partly coated with calcium carbonate, these core/sheath particulates having a mean particle size not exceeding 5 .mu.m, well suited for reinforcing plastic/elastomer substrates, are conveniently converted, e.g., via calcination, into hollow calcium carbonate microbeads which comprise CaCO.sub.3 shells having a mean particle size not exceeding 5 .mu.m; such hollow microbeads are themselves well suited for enhancing the low-temperature flexibility of elastomer substrates, notably vehicle tires.
REFERENCES:
patent: 5378533 (1995-01-01), Ota
patent: 5380360 (1995-01-01), Noguchi et al.
patent: 5443910 (1995-08-01), Gose et al.
patent: 5567521 (1996-10-01), Nishida et al.
JP-A-59 041 256 (Toyo Soda Mgf KK), Mar. 7, 1994. JP-A-5 154 374 (Kawatetsu Kogyo KK), Jun. 22, 1993. JP-A-50 123 574 (Mitsui Petrochem Ind. KK) Sep. 29, 1975. JP-A-5 077 325 (Isuzu Motors Ltd.) Mar. 30, 1993. JP-A-79 024 399 (Tokuyama Soda KK) Aug. 21, 1979. JP-A-6 157 030 (Hishiko Sekitan Kogyo KK) Jun. 3, 1994.
Dupuis Dominique
Labarre Dominique
Mur Gilles
Le H. Thi
Rhone-Poulenc Chimie
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