US4048105A — High density urethane foam for rim

Claim 1

Independent Claim 44 words

A polyurethane foam prepared by intimately mixing A. a polyol blend comprising (parts by weight): ______________________________________ long chain polyol 50 to 100 cross linker/extender 0 to 25 aromatic polyamine 1 to 6 alkylene amine catalyst 0.01 to 3.0 organometal catalyst 0.01 to 0.05 ______________________________________

Claim 2

Dependent Claim 44 words

A polyurethane foam prepared by intimately mixing A. a polyol blend comprising (parts by weight): ______________________________________ long chain polyol 50 to 100 cross linker/extender 0 to 25 aromatic polyamine 1 to 6 alkylene amine catalyst 0.01 to 3.0 organometal catalyst 0.01 to 0.05 ______________________________________

Claim 3

Dependent Claim 93 words

with B. a quasi prepolymer of an alkane diol and an aromatic diisocyanate, said quasi prepolymer having a free NCO in the range of 20 to 27 percent; wherein: said long chain polyol has a molecular weight in the range of 3000 to 6000, a functionality in the range of 2 to 3, and an equivalent weight of 1500 to 3000: said crosslinker/extender has a molecular weight in the range of 62 to 250 and is selected from the group consisting of alkane diols and triols; said aromatic polyamine has the formula ##STR2##

Claim 4

Dependent Claim 93 words

with B. a quasi prepolymer of an alkane diol and an aromatic diisocyanate, said quasi prepolymer having a free NCO in the range of 20 to 27 percent; wherein: said long chain polyol has a molecular weight in the range of 3000 to 6000, a functionality in the range of 2 to 3, and an equivalent weight of 1500 to 3000: said crosslinker/extender has a molecular weight in the range of 62 to 250 and is selected from the group consisting of alkane diols and triols; said aromatic polyamine has the formula ##STR2##

Claim 5

Dependent Claim 32 words

and n has the value in the range of 0.1 to 0.7, and said polyol blend and said quasi prepolymer are admixed to an Index in the range of 98 to 106.

Claim 6

Dependent Claim 32 words

and n has the value in the range of 0.1 to 0.7, and said polyol blend and said quasi prepolymer are admixed to an Index in the range of 98 to 106.

Claim 7

Dependent Claim 60 words

The foam of claim 1 wherein said polyol blend also contains in the range of 0.10 to 20 parts by weight of a second alkane diol in the range of 0.01 to 1.0 parts by weight carbon black and in the range of 3 to 8 parts by weight blowing agent, and said mixing is effected in a RIM system.

Claim 8

Dependent Claim 68 words

A polyurethane foam prepared by intimately mixing in a RIM system and reacting A. a polyol blend comprising (parts by weight): ______________________________________ long chain polyol 70 to 90 [alkane diol/triol #1 10 to 20] [alkane diol/triol #2 10 to 20] aromatic polyamine 3 to 4 alkylene amine catalyst 0.8 to 1.6 organometal catalyst 0.015 to 0.030 carbon black 0.01 to 1.0 gaseous blowing agent 3 to 8 ______________________________________

Claim 9

Dependent Claim 68 words

A polyurethane foam prepared by intimately mixing in a RIM system and reacting A. a polyol blend comprising (parts by weight): ______________________________________ long chain polyol 70 to 90 [alkane diol/triol #1 10 to 20] [alkane diol/triol #2 10 to 20] aromatic polyamine 3 to 4 alkylene amine catalyst 0.8 to 1.6 organometal catalyst 0.015 to 0.030 carbon black 0.01 to 1.0 gaseous blowing agent 3 to 8 ______________________________________

Claim 10

Dependent Claim 133 words

and a crosslinker/extender blend comprising in the range of 10 to 20 parts of a first hydroxyl compound and 0.10 to 20 parts of a second hydroxyl compound different from said first hydroxyl compound, said hydroxyl compounds being selected from the group consisting of alkane diols and triols; with B. a quasi prepolymer of an alkane diol and an MDI, said quasi prepolymer having a free NCO in the range of 22 to 24 percent; wherein: said long chain polyol has a molecular weight in the range of 3000 to 6000, a functionality in the range of 2 to 3, and an equivalent weight of 1500 to 3000; all of said alkane diols and triols have a molecular weight in the range of 62 to 250; said aromatic polyamine has the formula ##STR3##

Claim 11

Dependent Claim 133 words

and a crosslinker/extender blend comprising in the range of 10 to 20 parts of a first hydroxyl compound and 0.10 to 20 parts of a second hydroxyl compound different from said first hydroxyl compound, said hydroxyl compounds being selected from the group consisting of alkane diols and triols; with B. a quasi prepolymer of an alkane diol and an MDI, said quasi prepolymer having a free NCO in the range of 22 to 24 percent; wherein: said long chain polyol has a molecular weight in the range of 3000 to 6000, a functionality in the range of 2 to 3, and an equivalent weight of 1500 to 3000; all of said alkane diols and triols have a molecular weight in the range of 62 to 250; said aromatic polyamine has the formula ##STR3##

Claim 12

Dependent Claim 12 words

and n has a value in the range of 0.1 to 0.7.

Claim 13

Dependent Claim 12 words

and n has a value in the range of 0.1 to 0.7.

Claim 14

Dependent Claim 31 words

The form of claim 3 wherein said alkane diols and triols are selected from the group consisting of butane diols, ethylene glycol, diethylene glycol, pentane diol, trimethyol propane, and hexane triol.

Claim 15

Independent Claim 98 words

A method of making a thin-sectioned component of a polyurethane high density foam comprising injecting via a RIM machine into a mold cavity of the desired configuration a highly reactive quasi prepolymer foam formulation, allowing said formulation to cure in said mold cavity, and demolding the molded article in less than two minutes from the time of injection, said formulation being: A. a polyol blend comprising (parts by weight): ______________________________________ long chain polyol 50 to 100 cross linker/extender 0 to 25 aromatic polyamine 1 to 6 alkylene amine catalyst 0.01 to 3.0 organometal catalyst 0.01 to 0.05 ______________________________________

Claim 16

Independent Claim 98 words

A method of making a thin-sectioned component of a polyurethane high density foam comprising injecting via a RIM machine into a mold cavity of the desired configuration a highly reactive quasi prepolymer foam formulation, allowing said formulation to cure in said mold cavity, and demolding the molded article in less than two minutes from the time of injection, said formulation being: A. a polyol blend comprising (parts by weight): ______________________________________ long chain polyol 50 to 100 cross linker/extender 0 to 25 aromatic polyamine 1 to 6 alkylene amine catalyst 0.01 to 3.0 organometal catalyst 0.01 to 0.05 ______________________________________

Claim 17

Dependent Claim 92 words

with B. a quasi prepolymer of an alkane diol and an aromatic diisocyanate, said quasi prepolymer having a FNCO in the range of 20 to 27 percent; wherein: said long chain polyol has a molecular weight in the range of 3000 to 6000, a functionality in the range of 2 to 3, and an equivalent weight of 1500 to 3000, said crosslinker/extender has a molecular weight in the range of 62 to 250 and is selected from the group consisting of alkane diols and triols, said aromatic polyamine has the formula ##STR4##

Claim 18

Dependent Claim 92 words

with B. a quasi prepolymer of an alkane diol and an aromatic diisocyanate, said quasi prepolymer having a FNCO in the range of 20 to 27 percent; wherein: said long chain polyol has a molecular weight in the range of 3000 to 6000, a functionality in the range of 2 to 3, and an equivalent weight of 1500 to 3000, said crosslinker/extender has a molecular weight in the range of 62 to 250 and is selected from the group consisting of alkane diols and triols, said aromatic polyamine has the formula ##STR4##

Claim 19

Dependent Claim 32 words

and n has a value in the range of 0.1 to 0.7; and said polyol blend and said quasi prepolymer are admixed to an Index in the range of 98 to 106.

Claim 20

Dependent Claim 32 words

and n has a value in the range of 0.1 to 0.7; and said polyol blend and said quasi prepolymer are admixed to an Index in the range of 98 to 106.

Claim 21

Independent Claim 127 words

A method of making a thin-sectioned automobile trim component of a polyurethane high density foam comprising injecting via a RIM machine providing a time from initial mixing to injection of less than 0.01 seconds into a mold cavity of the desired configuration a highly reactive quasi prepolymer foam formulation, allowing said formulation to cure in said mold cavity, and demolding the molded article in less than one minute from the time of injection, said formulation being A. a polyol blend comprising (parts by weight): ______________________________________ long chain polyol 70 to 90 [alkane diol/ triol #1 10 to 20] [alkane diol/triol #2 0.10 to 20] aromatic polyamine 3 to 4 alkylene amine catalyst 0.015 to 0.030 carbon black 0.01 to 1.0 gaseous blowing agent 3 to 8 ______________________________________

Claim 22

Independent Claim 127 words

A method of making a thin-sectioned automobile trim component of a polyurethane high density foam comprising injecting via a RIM machine providing a time from initial mixing to injection of less than 0.01 seconds into a mold cavity of the desired configuration a highly reactive quasi prepolymer foam formulation, allowing said formulation to cure in said mold cavity, and demolding the molded article in less than one minute from the time of injection, said formulation being A. a polyol blend comprising (parts by weight): ______________________________________ long chain polyol 70 to 90 [alkane diol/ triol #1 10 to 20] [alkane diol/triol #2 0.10 to 20] aromatic polyamine 3 to 4 alkylene amine catalyst 0.015 to 0.030 carbon black 0.01 to 1.0 gaseous blowing agent 3 to 8 ______________________________________

Claim 23

Dependent Claim 133 words

and a crosslinker/extender blend comprising in the range of 10 to 20 parts of a first hydroxyl compound and 0.10 to 20 parts of a second hydroxyl compound different from said first hydroxyl compound, said hydroxyl compounds being selected from the group consisting of alkane diols and triols; with B. a quasi prepolymer of an alkane diol, and an MDI, said quasi prepolymer having a free NCO in the range of 22 to 24 percent; wherein: said long chain polyol has a molecular weight in the range of 3000 to 6000, a functionality in the range of 2 to 3, and an equivalent weight of 1500 to 3000; all of said alkane diols and triols have a molecular weight in the range of 62 to 250; said aromatic polyamine has the formula ##STR5##

Claim 24

Dependent Claim 133 words

and a crosslinker/extender blend comprising in the range of 10 to 20 parts of a first hydroxyl compound and 0.10 to 20 parts of a second hydroxyl compound different from said first hydroxyl compound, said hydroxyl compounds being selected from the group consisting of alkane diols and triols; with B. a quasi prepolymer of an alkane diol, and an MDI, said quasi prepolymer having a free NCO in the range of 22 to 24 percent; wherein: said long chain polyol has a molecular weight in the range of 3000 to 6000, a functionality in the range of 2 to 3, and an equivalent weight of 1500 to 3000; all of said alkane diols and triols have a molecular weight in the range of 62 to 250; said aromatic polyamine has the formula ##STR5##

Claim 25

Dependent Claim 12 words

and n has a value in the range of 0.1 to 0.7.

Claim 26

Dependent Claim 12 words

and n has a value in the range of 0.1 to 0.7.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1980-09-12	1981-03-14	1981-09-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1984-09-12	1985-03-14	1985-09-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1988-09-12	1989-03-14	1989-09-13	$7700.00	Window Closed / Lapsed

High density urethane foam for rim

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