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US 2017/0321080 A1Published application
Polyether compounds having epoxy hydroxyl urethane groups and waterborne epoxy resin composition
AssigneeChang Chun Plastics Co., Ltd.
InventorsGai-Chi CHEN, Chia-En WU, An-Pang TU, Kuen-Yuan HWANG
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Abstract
The present invention is to provide polyether compounds having epoxy hydroxyl urethane group, as the following formula (I), (II) or (III) shows: and waterborne epoxy resin composition. Using the hydroxyl urethane as emulsifier, the obtained waterborne epoxy resin composition of the present invention has better stability and freeze-thaw resistance.
Claims20
A waterborne epoxy resin composition, comprising:
- (a) an epoxy resin, (b) hydroxyl urethane, and (c) water.
A polyether compound having epoxy hydroxyl urethane group, which has a structural formula (I), (II) or (III):
- wherein, n is 2˜70;
- R1 is C4˜12 alkyl, alkenyl, alkynyl, cycloalkyl, a polyether group or the structural formula (IV) as below:
- wherein, m is 0˜5, and
- R5 is one of the structural formulas as below:
- R2 is C2˜4 alkyl;
- R3 is the structural formula (V) or (VI):
- wherein, R6 is C4˜12 alkyl, alkenyl, alkynyl, cycloalkyl or a polyether group;
- R4 is the structural formula (VII) or (VIII):
- wherein, R7 is C4˜12 alkyl, alkenyl, alkynyl, cycloalkyl, a polyether group or the structural formula (IX):
- wherein, p is 0˜5, and
- R8 is one of the structural formulas as below:
8 more elements
Dependencies are inferred from the claim text.