Polyester/carboxy-rubber molding composition containing potassium unsaturated-hydrocarbyl orthophosphate

Claim 2

A thermosetting composition comprising: (a) an unsaturated polyester, (b) a solid carboxy-containing rubbery diene polymer, (c) a vinyl monomer, and (d) a potassium unsaturated-hydrocarbyl orthophosphate ester.

Claim 3

A curable thermosetting composition comprising the composition as defined by claim 1 further including a free radical catalyst.

Claim 4

A cured thermosetting composition comprising the cured composition of claim 2.

Claim 5

An article or sheet made from a cured thermosetting composition as described by claim 3.

Claim 6

A composition as defined by claim 1 further including at least one of a reinforcing agent and a filler.

Claim 7

The composition as defined by claim 5 further including a lubricant, stabilizer, and colorant.

Claim 8

The composition of claim 1 as a bulk molding compound.

Claim 9

The composition of claim 1 as a sheet molding compound.

Claim 10

The composition of claim 1 wherein said (a) unsaturated polyester is the esterification polymer product of an unsaturated dicarboxylic acid of 4 to 12 carbon atoms; said (b) carboxy-containing rubbery diene polymer is a polymer of a conjugated diene of 4 to 12 carbon atoms or copolymer thereof with a liquid vinyl monomer of 8 to 18 carbon atoms; and said (c) vinyl monomer is selected from the group consisting of styrene, vinyltoluene, divinylbenzene, 2-vinylpyridine, diallyl phthalate, triallyl isocyanurate, α-methylstyrene, alkyl acrylates and alkyl methacrylates in which in the alkyl groups contain 1 to 6 carbon atoms, and mixtures thereof.

Claim 11

The composition of claim 9 wherein said (d) potassium unsaturated-hydrocarbyl orthophosphate is represented by: ##STR3## wherein each R is hydrogen or an unsaturated hydrocarbyl radical, such that at least one R must be the aforesaid unsaturated hydrocarbyl radical; m is an integer and is 1 or 2; n is an integer and is 1 or 2; m plus n is 3; and K is potassium.

Claim 12

The composition of claim 10 wherein said (d) potassium unsaturated-hydrocarbyl orthophosphate is potassium hydrogen oleyl phosphate, dipotassium oleyl phosphate, potassium dioleyl phosphate, or mixtures.

Claim 13

The composition of claim 11 wherein said (c) vinyl monomer is a monovinyl monomer, employing a ratio of: a:b of about 15:1 to 0.5:1 weight ratio; (c) monovinyl monomer in the proportion of about 15 to 300 parts by weight per 100 parts total (a)+(b).

Claim 14

The composition of claim 12 wherein said (b) carboxy-containing polymer is an epoxy/cyclic anhydride terminated carboxy-containing diene polymer, and said (c) is styrene.

Claim 15

The composition of claim 12 wherein said (b) carboxy-containing diene polymer is a CO 2 -terminated carboxy-containing diene polymer.

Claim 16

The composition of claim 14 wherein said vinyl monomer is styrene, and said potassium unsaturated-hydrocarbyl orthophosphate is potassium oleyl phosphate.

Claim 17

A cured composition of claim 9.

Claim 18

A cured composition of claim 15.