US4623558A — Reactive plastisol dispersion

Claim 1

Independent Claim 141 words

A reactive plastisol dispersion composition consising of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive platicizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of either a thermal initiator or photoinitiator for plasticizers present in the composition.

Claim 2

Dependent Claim 141 words

A reactive plastisol dispersion composition consising of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive platicizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of either a thermal initiator or photoinitiator for plasticizers present in the composition.

Claim 3

Dependent Claim 11 words

The composition of claim 1 wherein (3) is a thermal initiator.

Claim 4

Dependent Claim 10 words

The composition of claim 1 wherein (3) is a photoinitiator.

Claim 5

Dependent Claim 15 words

The composition of claim 1 wherein (2) is (a) and (3) is a thermal initiator.

Claim 6

Dependent Claim 15 words

The composition of claim 1 wherein (2) is (b) and (3) is a thermal initiator.

Claim 7

Dependent Claim 165 words

The process of forming a solidified homogeneous mass which comprises admixing a reactive plastisol dispersion composition consisting of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of either a thermal initiator or photoinitiator for plasticizers present in the composition; and, thereafter, heating the admixture for a time sufficient to flux the mass.

Claim 8

Dependent Claim 165 words

The process of forming a solidified homogeneous mass which comprises admixing a reactive plastisol dispersion composition consisting of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of either a thermal initiator or photoinitiator for plasticizers present in the composition; and, thereafter, heating the admixture for a time sufficient to flux the mass.

Claim 9

Dependent Claim 12 words

The process of claim 6 where in the composition, (2) is (a).

Claim 10

Dependent Claim 12 words

The process of claim 6 where in the composition, (2) is (b).

Claim 11

Dependent Claim 146 words

A composition consisting of a reactive, solid, homogeneous, fluxed plastisol formed from (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of either a thermal initiator of photoinitiator for plasticizers present in the composition.

Claim 12

Dependent Claim 146 words

A composition consisting of a reactive, solid, homogeneous, fluxed plastisol formed from (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of either a thermal initiator of photoinitiator for plasticizers present in the composition.

Claim 13

Dependent Claim 11 words

The composition of claim 9 wherein (3) is a thermal initiator.

Claim 14

Dependent Claim 10 words

The composition of claim 9 wherein (3) is a photoinitiator.

Claim 15

Dependent Claim 15 words

The composition of claim 9 wherein (2) is (a) and (3) is a thermal initiator.

Claim 16

Dependent Claim 15 words

The composition of claim 9 wherein (2) is (b) and (3) is a thermal initiator.

Claim 17

Dependent Claim 182 words

The process of forming a fiber-reinforced composite which comprises impregnating a fibrous material with a reactive plastisol dispersion composition consisting of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive platicizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of a thermal initiator for plasticizers present in the composition; and, thereafter, heating said impregnated fibrous material to a temperature in the range 100°-300° C. for a time sufficient to cause the composition to flux and form a thermoset composite.

Claim 18

Dependent Claim 182 words

The process of forming a fiber-reinforced composite which comprises impregnating a fibrous material with a reactive plastisol dispersion composition consisting of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive platicizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of a thermal initiator for plasticizers present in the composition; and, thereafter, heating said impregnated fibrous material to a temperature in the range 100°-300° C. for a time sufficient to cause the composition to flux and form a thermoset composite.

Claim 19

Dependent Claim 12 words

The process of claim 14 where in the composition, (2) is (a).

Claim 20

Dependent Claim 12 words

The process of claim 14 where in the composition, (2) is (b).

Claim 21

Dependent Claim 178 words

The process of forming a fiber-reinforced prepreg which comprises impregnating a fibrous material with a reactive plastisol dispersion composition consisting of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of either a thermal initiator or photoinitiator for plasticizers present in the composition; heating said impregnated fibrous material to a temperature in the range 100°-300° C. for a time sufficient to cause the composition to flux.

Claim 22

Dependent Claim 178 words

The process of forming a fiber-reinforced prepreg which comprises impregnating a fibrous material with a reactive plastisol dispersion composition consisting of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of either a thermal initiator or photoinitiator for plasticizers present in the composition; heating said impregnated fibrous material to a temperature in the range 100°-300° C. for a time sufficient to cause the composition to flux.

Claim 23

Dependent Claim 184 words

The process of forming a fiber-reinforced composite which comprises impregnating a fibrous material with a reactive plastisol dispersion composition consisting of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of a photoinitiator for plasticizers present in the composition; heating said impregnated fibrous material to a temperature sufficient to cause the composition to flux and, thereafter, exposing said composition to UV radiation for a time sufficient to form a thermoset fiber-reinforced composite.

Claim 24

Dependent Claim 184 words

The process of forming a fiber-reinforced composite which comprises impregnating a fibrous material with a reactive plastisol dispersion composition consisting of (1) poly(phenylene oxide) (PPO) in powder form, which is insoluble in the reactive plasticizer at room temperature and plasticizable at a temperature at or above the fluxing temperature; (2) a liquid reactive plasticizer member of the group consisting of (a) at least one epoxide resin having an average of more than one epoxide group in the molecule and (b) a mixture of (a) and at least one liquid monomer, oligomer or prepolymer containing at least one ethylenically unsaturated group; said liquid reactive plasticizer being capable of solvating the PPO at the fluxing temperature and being present in an amount ranging from 5 to 2,000 parts per 100 parts by weight of (1); and (3) 0.01 to 10% by weight of (2) of a photoinitiator for plasticizers present in the composition; heating said impregnated fibrous material to a temperature sufficient to cause the composition to flux and, thereafter, exposing said composition to UV radiation for a time sufficient to form a thermoset fiber-reinforced composite.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1989-11-17	1990-05-19	1990-11-18	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1993-11-17	1994-05-19	1994-11-18	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1997-11-17	1998-05-19	1998-11-18	$7700.00	Window Closed / Lapsed

Reactive plastisol dispersion

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