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
1982-02-16
1983-07-05
Cockeram, H. S.
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...
524114, 524271, 524284, 524311, 524317, 524339, 524425, 524442, 524539, 524601, 524605, 525437, 525439, C08K 340, C08K 511, C08G 6370
Patent
active
043919383
ABSTRACT:
Compositions comprising polyethylene terephthalate and an additive to promote crystallization rate and improve surface appearance selected from the group consisting of monomeric esters of citric acid and epoxidized esters of unsaturated aliphatic carboxylic acids. Compositions comprising polyethylene terephthalate, poly (C.sub.4 -C.sub.6) terephthalate, and a surface appearance and crystallization rate improving additive selected from the group consisting of monomeric esters of citric acid, organic esters of an aromatic carboxylic acid of 7 to 11 carbon atoms containing at least one carboxyl group per aromatic nucleus and an alcohol, oligomeric polyesters, and epoxidized esters of unsaturated aliphatic carboxylic acids.
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Memon Nazir A.
Myers Cielo S.
Cockeram H. S.
Driks Jordan J.
Rohm and Haas Company
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