FR2436154A2 - Impact-resistant polyurethane foam for bumpers - prepd. from polymer-poly:ol, crosslinking agent, water and prepolymer derived from aromatic di:isocyanate - Google Patents

Impact-resistant polyurethane foam for bumpers - prepd. from polymer-poly:ol, crosslinking agent, water and prepolymer derived from aromatic di:isocyanate

Info

Publication number
FR2436154A2
FR2436154A2 FR7826566A FR7826566A FR2436154A2 FR 2436154 A2 FR2436154 A2 FR 2436154A2 FR 7826566 A FR7826566 A FR 7826566A FR 7826566 A FR7826566 A FR 7826566A FR 2436154 A2 FR2436154 A2 FR 2436154A2
Authority
FR
France
Prior art keywords
pts
prepd
isocyanate
aromatic
impact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
FR7826566A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
McCord Corp
Original Assignee
McCord Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by McCord Corp filed Critical McCord Corp
Priority to FR7826566A priority Critical patent/FR2436154A2/en
Publication of FR2436154A2 publication Critical patent/FR2436154A2/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/6552—Compounds of group C08G18/63
    • C08G18/6558—Compounds of group C08G18/63 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8035—Masked aromatic polyisocyanates not provided for in one single of the groups C08G18/8019 and C08G18/8029

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

Impact resistant polyurethane foam is prepd. from (by. wt) 70-90 pts. polymer-polyol (I) 10-30 pts. crosslinking agent (II), 1-5 pts. H2O, sufficient prepolymer (III) to yield a 90-115% isocyanate index, and 0-2 pts. catalyst. (I) has mol. wt. 4000-8000 and consists of 2-6 pts. poly-(1-4C oxyalkylene)-triol reacted with 1 part of a vinyl-aromatic/olefinic 2-6C nitrile monomer mixt. (II) is an amine or polyol, and has functionality 2-6 and equiv.wt. 50-150. (III) is a reaction prod. of (a) an aromatic diisocyanate, esp methylene-bis-(4-phenyl-isocyanate)-diisocyanate or toluene diisocyanate, and (b) a polyol consisting of a triol having mol.wt. 100-1000 or an ether-glycol having mol.wt. 100-200. (III) contains 20-35% free. Foam is prepd. in a closed mould having compacting factor 1.5-9. It has bulk density 80-320 kg/m3, specific energy >0.172 J/cc at 50% compression/deformation index, temp. index -30-60 degrees C 2.5 and >=90% restoring torque after multiple impact. It is used in car bumpers.
FR7826566A 1978-09-15 1978-09-15 Impact-resistant polyurethane foam for bumpers - prepd. from polymer-poly:ol, crosslinking agent, water and prepolymer derived from aromatic di:isocyanate Pending FR2436154A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7826566A FR2436154A2 (en) 1978-09-15 1978-09-15 Impact-resistant polyurethane foam for bumpers - prepd. from polymer-poly:ol, crosslinking agent, water and prepolymer derived from aromatic di:isocyanate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7826566A FR2436154A2 (en) 1978-09-15 1978-09-15 Impact-resistant polyurethane foam for bumpers - prepd. from polymer-poly:ol, crosslinking agent, water and prepolymer derived from aromatic di:isocyanate

Publications (1)

Publication Number Publication Date
FR2436154A2 true FR2436154A2 (en) 1980-04-11

Family

ID=9212691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7826566A Pending FR2436154A2 (en) 1978-09-15 1978-09-15 Impact-resistant polyurethane foam for bumpers - prepd. from polymer-poly:ol, crosslinking agent, water and prepolymer derived from aromatic di:isocyanate

Country Status (1)

Country Link
FR (1) FR2436154A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4883825A (en) * 1987-12-30 1989-11-28 Union Carbide Chemicals And Plastics Company Inc. Process for the manufacture of low density, flexible polyurethane foams

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2027596A1 (en) * 1968-12-12 1970-10-02 Gen Tire & Rubber Co
FR2330707A1 (en) * 1974-06-21 1977-06-03 Mccord Corp SHOCK ABSORBENT URETHANE FOAM, AND BUMPER CONTAINING IT
DE2750069A1 (en) * 1976-12-02 1978-06-08 Mccord Corp Impact-resistant polyurethane foam for bumpers - prepd. from polymer-poly:ol, crosslinking agent, water and prepolymer derived from aromatic di:isocyanate

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2027596A1 (en) * 1968-12-12 1970-10-02 Gen Tire & Rubber Co
FR2330707A1 (en) * 1974-06-21 1977-06-03 Mccord Corp SHOCK ABSORBENT URETHANE FOAM, AND BUMPER CONTAINING IT
DE2750069A1 (en) * 1976-12-02 1978-06-08 Mccord Corp Impact-resistant polyurethane foam for bumpers - prepd. from polymer-poly:ol, crosslinking agent, water and prepolymer derived from aromatic di:isocyanate

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CA1977 *
EXBK/72 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4883825A (en) * 1987-12-30 1989-11-28 Union Carbide Chemicals And Plastics Company Inc. Process for the manufacture of low density, flexible polyurethane foams

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