1 . A pet chew toy comprising a blend containing a polyamide terpolymer and a diene elastomer, wherein said diene elastomer is crosslinked and said polyamide terpolymer has a Tm in the range of 120° C. to 250° C.
2 . The pet chew toy of claim 1 wherein said polyamide terpolymer has a Tm in the range of 120° C. to 200° C.
3 . The pet chew toy of claim 1 wherein said polyamide terpolymer has a Tm in the range of 120° C. to 150° C.
4 . The pet chew toy of claim 1 wherein said polyamide terpolymer comprises a terpolymer of the following three polyamide homopolymers: [chemical expression included]
5 . The pet chew toy of claim 1 wherein said polyamide terpolymer comprises 30% by weight to 95% by weight of the pet chew toy.
6 . The pet chew toy of claim 1 wherein said diene elastomer comprises 5% by weight to 50% by weight of the pet chew toy.
7 . The pet chew toy of claim 1 wherein the polyamide terpolymer and diene elastomer are each present at a selected weight percent, and the weight ratio of the the diene elastomer to polyamide terpolymer is 1:10 to 1:1.
8 . The pet chew toy of claim 1 wherein said diene elastomer comprises cis-1,4-polyisoprene.
9 . A pet chew toy comprising a blend containing a polyamide terpolymer and a diene elastomer, wherein said diene elastomer is crosslinked and said polyamide terpolymer comprises a terpolymer of the following three polyamide homopolymers: [chemical expression included] wherein the melting point of said polyamide terpolymer is 120° C. to 200° C. and said diene rubber comprises crosslinked cis-1,4-polyisoprene and wherein said polyamide terpolymer is present at 30% by weight to 95% by weight of the pet chew toy.
10 . The pet chew toy of claim 9 wherein the melting point of said polyamide terpolymer is 120° C. to 150° C.
11 . A pet chew toy comprising: a central shaft portion between two end portions wherein a first material composition forms the end portions, wherein the first material composition comprises a blend containing a polyamide terpolymer and a diene elastomer; said diene elastomer is crosslinked and said polyamide terpolymer has a Tm in the range of 120° C. to 250° C. and the polyamide terpolymer is present at a level of 30% to 95% by weight of the pet chew toy and said diene elastomer is present at a level of 5% to 50% by weight of the pet chew toy; said central shaft section comprises a second material composition wherein said composition comprises a blend containing a polyamide terpolymer and a diene elastomer wherein said diene elastomer is present at a level of greater than 50% by weight to 75% by weight of the pet chew.
12 . The pet chew toy of claim 11 wherein said polyamide terpolymer has a Tm in the range of 120° C. to 200° C.
13 . The pet chew toy of claim 11 wherein said polyamide terpolymer has a Tm in the range of 120° C. to 150° C.
14 . The pet chew toy of claim 11 wherein said polyamide terpolymer comprises a terpolymer of the following three polyamide homopolymers: [chemical expression included]
15 . The pet chew toy of claim 11 wherein said diene elastomer comprises cis-1,4-polyisoprene.
16 . A method of making a pet chew toy: providing a first material composition comprising a blend containing a polyamide terpolymer and a diene elastomer, wherein said diene elastomer is crosslinked and said polyamide terpolymer has a Tm in the range of 120° C. to 250° C. and has a first Shore Hardness; providing a second material composition wherein the second material composition comprises a blend containing a polyamide terpolymer and a diene elastomer and having a second Shore durometer hardness, said first Shore durometer hardness is higher than said second Shore durometer hardness; forming two end portions of the pet chew toy with the first material composition in a first molding apparatus, wherein each of the two end portions includes an internal cavity; and forming a central shaft portion of the pet chew toy with the second material composition in a second molding apparatus, wherein the second material composition flows into the internal cavity of each end portion to join the central shaft portion to each end portion.
17 . The method of claim 16 wherein: forming the two end portions and the central shaft portion of the pet chew toy are each performed by injection molding.
18 . The method of claim 16 wherein: providing a first material composition comprising a polyamide terpolymer and a diene elastomer further comprises mixing the elastomer and said polyamide terpolymer in an intensive internal mixing apparatus prior to an introduction of the first material composition to the first molding apparatus.
19 . The method of claim 18 wherein: mixing the polyamide terpolymer and diene elastomer in an intensive internal mixing apparatus further includes cross-linking the first composition comprising said elastomer and said polyamide terpolymer in the intensive internal mixing apparatus.
20 . The method of claim 19 further