US4686255A — Stabilized polyvinyl chloride molding compositions

Claim 1

Independent Claim 173 words

Stabilized polyvinyl chloride molding compositions containing a stabilizer combination consisting of (1) a primary stabilizer selected from the group consisting of metal soaps, aromatic metal carboxylates, metal phenolates, and organotin compounds, (2) a co-stabilizer having the structural formula: ##STR4## wherein R represents an alkyl group with 1 to 19 carbon atoms, a cycloalkyl group with 5 or 6 carbon atoms, a phenyl group, an alkylphenyl group with 7 to 11 carbon atoms, or an MOOC--CH 2 group; n represents the numbers 0 or 1; and M represents lithium, sodium or potassium; said co-stabilizer being present in an amount of from about 0.02 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl choride, and (3) from about 0.2 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl chloride, of a synthetic, crystalline, finely-divided sodium aluminosilicate containing 13 to 25% by weight of bound water which, based on the anhydrous form, has the composition 0.7-1.1Na 2 .Al 2 O 3 .1.3-2.4SiO 2 .

Claim 2

Dependent Claim 173 words

Stabilized polyvinyl chloride molding compositions containing a stabilizer combination consisting of (1) a primary stabilizer selected from the group consisting of metal soaps, aromatic metal carboxylates, metal phenolates, and organotin compounds, (2) a co-stabilizer having the structural formula: ##STR4## wherein R represents an alkyl group with 1 to 19 carbon atoms, a cycloalkyl group with 5 or 6 carbon atoms, a phenyl group, an alkylphenyl group with 7 to 11 carbon atoms, or an MOOC--CH 2 group; n represents the numbers 0 or 1; and M represents lithium, sodium or potassium; said co-stabilizer being present in an amount of from about 0.02 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl choride, and (3) from about 0.2 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl chloride, of a synthetic, crystalline, finely-divided sodium aluminosilicate containing 13 to 25% by weight of bound water which, based on the anhydrous form, has the composition 0.7-1.1Na 2 .Al 2 O 3 .1.3-2.4SiO 2 .

Claim 3

Dependent Claim 56 words

Stabilized polyvinyl chloride molding compositions in accordance with claim 1, wherein said primary stabilizer is a metal soap selected from the group consisting of calcium soap, barium soap, and zinc soap, and is present in an amount of from about 0.1 to 3 parts by weight, based on 100 parts by weight of said polyvinyl chloride.

Claim 4

Dependent Claim 25 words

Stabilized polyvinyl chloride molding compositions in accordance with claim 2 wherein said metal soap is derived from fatty acids containing 8 to 22 carbon atoms.

Claim 5

Dependent Claim 98 words

Stabilized polyvinyl chloride molding compositions in accordance with claim 1, including from about 0.2 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl chloride, of a compound having the formula selected from the group consisting of: ##STR5## wherein X 1 and X 2 independently of one another represent hydrogen or the SH group, wherein at least one of the substitutents X 1 and X 2 represents an SH group and in which R 1 , R 2 and R 3 represent straight-chain and branched alkyl groups with 5 to 22 carbon atoms.

Claim 6

Dependent Claim 171 words

A stabilizer combination for polyvinyl chloride molding compositions consisting of (1) a primary stabilizer selected from the group consisting of metal soaps, aromatic metal carboxylates, metal phenolates, and organotin compounds, (2) a co-stabilizer having the structural formula: ##STR6## wherein R represents an alkyl group with 1 to 19 carbon atoms, a cycloalkyl group with 5 or 6 carbon atoms, a phenyl group, an alkylphenyl group with 7 to 11 carbon atoms, or an MOOC--CH 2 group; n represents the numbers 0 or 1; and M represents lithium, sodium or potassium; said co-stabilizer being present in an amount of from about 0.02 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl chloride, and (3) about 0.2 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl chloride, of a synthetic, crystalline, finely-divided sodium aluminosilicate containing 13 to 25% by weight of bound water which, based on the anhydrous form, has the composition 0.7-1.1Na 2 O.Al 2 O 3 .1.3-2.4SiO 2 .

Claim 7

Dependent Claim 171 words

A stabilizer combination for polyvinyl chloride molding compositions consisting of (1) a primary stabilizer selected from the group consisting of metal soaps, aromatic metal carboxylates, metal phenolates, and organotin compounds, (2) a co-stabilizer having the structural formula: ##STR6## wherein R represents an alkyl group with 1 to 19 carbon atoms, a cycloalkyl group with 5 or 6 carbon atoms, a phenyl group, an alkylphenyl group with 7 to 11 carbon atoms, or an MOOC--CH 2 group; n represents the numbers 0 or 1; and M represents lithium, sodium or potassium; said co-stabilizer being present in an amount of from about 0.02 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl chloride, and (3) about 0.2 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl chloride, of a synthetic, crystalline, finely-divided sodium aluminosilicate containing 13 to 25% by weight of bound water which, based on the anhydrous form, has the composition 0.7-1.1Na 2 O.Al 2 O 3 .1.3-2.4SiO 2 .

Claim 8

Dependent Claim 59 words

A stabilizer combination for polyvinyl chloride molding compositions in accordance with claim 5 wherein said primary stabilizer is a metal soap selected from the group consisting of calcium soap, barium soap, and zinc soap, and is present in an amount of from about 0.1 to 3 parts by weight, based on 100 parts by weight of said polyvinyl chloride.

Claim 9

Dependent Claim 28 words

A stabilizer combination for polyvinyl chloride molding compositions in accordance with claim 6 wherein said metal soap is derived from fatty acids containing 8 to 22 carbon atoms.

Claim 10

Dependent Claim 101 words

A stabilizer combination for polyvinyl chloride molding compositions in accordance with claim 5 including from about 0.2 to about 5 parts by weight, based on 100 parts by weight of said polyvinyl chloride, of a compound having the formula selected from the group consisting of: ##STR7## wherein X 1 and X 2 independently of one another represent hydrogen or the SH group, wherein at least one of the substituents X 1 and X 2 represents an SH group and in which R 1 , R 2 and R 3 represent straight-chain and branched alkyl groups with 5 to 22 carbon atoms.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1990-08-10	1991-02-09	1991-08-11	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1994-08-10	1995-02-09	1995-08-11	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1998-08-10	1999-02-09	1999-08-11	$7700.00	Window Closed / Lapsed

Stabilized polyvinyl chloride molding compositions

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