Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-09-21
1984-02-28
Griffin, Ronald W.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
106 90, 106 95, C04B 702, C04B 735
Patent
active
044342578
ABSTRACT:
An improved cement composition having improved crack resistance, water resistance, and which comprises a mixture of a conventional cement composition with an ethylene-vinyl acetate copolymer emulsion containing 1 to 10 parts by weight of a polyvinyl alcohol and 0.1 to 10 parts by weight of a higher fatty acid ester of a polyvalent alcohol having an HLB of 10 or less per 100 parts by weight of the solid resin components of the emulsion.
REFERENCES:
patent: 2576955 (1951-12-01), Ludwig
patent: 2733995 (1956-02-01), Robinson
patent: 3537869 (1970-11-01), Proell
patent: 3936311 (1976-02-01), Kirst et al.
patent: 4189415 (1980-02-01), Eck et al.
Kondou Tomizou
Narisawa Shizuo
Taira Yoshito
Yoshii Yuuji
Griffin Ronald W.
Sumitomo Chemical Company Limited
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