Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1994-01-18
1994-10-18
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524601, 524602, 524605, 524607, 524608, 524755, 528272, 528274, 528291, 528295, 528302, 528307, 5283086, 528332, 528336, 528337, 525437, 525438, 525440, 525443, C08J 303, C08G 6320
Patent
active
053569890
ABSTRACT:
An aqueous dispersion suitable for use as various coatings is provided. The dispersion includes polyester resin (A), a water soluble organic compound (B), water (C), and a neutralizer (D). The polyester resin has an acid number of 50 equivalents/10.sup.6 g or more. The polycarboxylic acid component of the resin contains aromatic dicarboxylic acid having no metal sulfonate groups in an amount in the range of 50 to 99.99 mole percent, and dicarboxylic acid having a metal sulfonate group in an amount in the range of 0.01 to 20 mole percent based on the total moles of the polycarboxylic acid component. The polyol component of the resin contains diol in an amount in the range of 30 to 100 mole percent based on the total moles of the polyol component. The diol has an alkyl group with 1 to 3 carbon atoms on a side chain, and the total number of carbon atoms in the diol is 6 to 25. The water soluble organic compound has a boiling point in the range of 60.degree. to 250.degree. C. The components (A), (B), and (C) are contained in the dispersion in an amount in the range of 1 to 70 percent by weight, 0 to 69 percent by weight, and 9 to 99 percent by weight, respectively. Further, the components (A), (B), (C), and (D) satisfy the following expressions (1) and (2):
REFERENCES:
patent: 3546008 (1970-12-01), Shields et al.
patent: 4304901 (1981-12-01), O'Neill et al.
patent: 4340519 (1982-07-01), Kotera et al.
patent: 4910292 (1990-03-01), Blount
patent: 4963652 (1990-10-01), Tortorici et al.
Foreign Patent Office search, dated Oct. 12, 1992.
Fujimoto Hiroshi
Tachika Hiroshi
Togawa Keiichiro
Acquah Samuel A.
Toyo Boseki Kabushiki Kaisha
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