US 7,582,693 B2
Composition and method for enhancing the weld strength of polyphenylene ether compositions
Ganesh Kannan, Bangalore (India); and Vijay Mhetar, Slingerlands, N.Y. (US)
Assigned to Sabic Innovative Plastics IP B.V., (Netherlands)
Filed on Apr. 22, 2003, as Appl. No. 10/421,601.
Prior Publication US 2004/0214960 A1, Oct. 28, 2004
Int. Cl. B32B 7/12 (2006.01); B60C 1/00 (2006.01); C08F 16/12 (2006.01); C08F 116/12 (2006.01); C08F 216/12 (2006.01); C08G 59/50 (2006.01); C08K 5/00 (2006.01); C08K 5/16 (2006.01); C09D 11/02 (2006.01)
U.S. Cl. 524—186  [524/236; 524/243; 524/251; 524/252; 525/328.9] 8 Claims
 
1. A resin composition consisting of at least one polyphenylene ether, at least one poly(alkenylaromatic) compound, at least one weld line strength promoter, and at least one component selected from the group consisting of flame retardants, impact modifiers, mold releases, antioxidants, stabilizers, fillers, and mixtures thereof, wherein the weld line strength promoter is selected from the group consisting of:
cyclohexylamine, 1-hexadecylamine, a triamine having the formula:

OG Complex Work Unit Drawing
wherein the sum of x+y+z is from about 3 to about 20; N,N-diethylamine, N,N-dipropylamine, a polyethyleneimine having the formula:

OG Complex Work Unit Drawing
wherein “x” and “y” are integers each having a value from about 2 to about 15,
a polyamine having a backbone of the formula

OG Complex Work Unit Drawing
wherein R is C2-C8 alkylene, C3-C8 alkyl substituted alkylene, and mixtures thereof, wherein m is from 2 to about 700; n is from 0 to about 350,
a polyamine having a backbone of the formula:

OG Complex Work Unit Drawing
wherein y is from 5 to about 10,000;
polyamine compounds wherein from 0% to 100% of the polyamine backbone NH units are substituted by one or more units having the formula:
—(R1O)xR2
wherein R1 is C2-C6 alkylene, C3-C6 alkyl substituted alkylene, and mixtures thereof; R2 is hydrogen, C1-C4 alkyl, and mixtures thereof, and x is from 1 to 12 and y is from 5 to 5000;
a polyethyleneimine, and combinations of two or more of the foregoing weld line strength promoters.