CA2450647A1 - Automobile assembly - Google Patents

Automobile assembly Download PDF

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Publication number
CA2450647A1
CA2450647A1 CA002450647A CA2450647A CA2450647A1 CA 2450647 A1 CA2450647 A1 CA 2450647A1 CA 002450647 A CA002450647 A CA 002450647A CA 2450647 A CA2450647 A CA 2450647A CA 2450647 A1 CA2450647 A1 CA 2450647A1
Authority
CA
Canada
Prior art keywords
structural member
reinforcing member
amine
adhesive
plastics material
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.)
Granted
Application number
CA002450647A
Other languages
French (fr)
Other versions
CA2450647C (en
Inventor
Hein Koelman
Padraig Joseph Naughton
Peter Cate
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.)
Dow Global Technologies LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2450647A1 publication Critical patent/CA2450647A1/en
Application granted granted Critical
Publication of CA2450647C publication Critical patent/CA2450647C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/152—Front or rear frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/082—Engine compartments
    • B62D25/084—Radiator supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
    • B62D29/001—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material
    • B62D29/005—Superstructures, understructures, or sub-units thereof, characterised by the material thereof characterised by combining metal and synthetic material preformed metal and synthetic material elements being joined together, e.g. by adhesives

Abstract

A method for making an automobile assembly having a moulded plastics structural member and a reinforcing member in which a polymerisable adhesive is employed to bond the two members together and an automobile assembly having a bonded structural member and a reinforcing member. The assembly is suitably used as a "front end carrier" or a bumper system in an automobile.

Claims (24)

1. A method for producing an automobile assembly comprising a structural member made of a moulded plastics material having a low energy surface and a reinforcing member attached to the structural member, the members having complementary surfaces, which comprises applying an adhesive to the complementary surface of the structural member and/or reinforcing member, bringing the complementary surfaces of the reinforcing member and structural member into contact and allowing the adhesive to set so as to bond the structural member and reinforcing member together wherein the adhesive is capable of bonding to a low energy surface plastic.
2. A method according to claim 1 in which the low energy surface plastics material has a surface energy of less than 45 mJ/m2.
3. A method according to any one of claim 1 and claim 2 in which the plastics material comprises a homopolymer selected from a polyolefin, a polystyrene and a polyamide or a copolymer.
4. A method according to any one of the preceding claims in which the plastics material comprises fibre.
5. A method according to claim 4 in which the fibre is selected from short glass fibre, long glass fibre, short natural fibre or long natural fibre.
6. A method according to any one of the preceding claims in which the plastics material is selected from short glass fibre filled polypropylene, long glass fibre filled polypropylene, glass filled polyamide and glass filled polyamide alloys.
7. A method according any one of the preceding claims in which the reinforcement is made of steel and/or aluminium.
8. A method according to any one of the preceding claims which comprises applying the adhesive directly to the surface of the structural member without treatment or priming of the said surface.
9. A method according to any one of the preceding claims in which the structural member and reinforcing member are bonded together by a continuum of adhesive along the complementary surfaces on the two members.
10. A method according to any one of the preceding claims in which the reinforcing member comprises contours or channels which are complementary with the surface of the structural member so as to provide resistance to stress by means of adhesion and/or abutment between the structural and reinforcing member.
11. A method according to any one of the preceding claims in which the adhesive comprises a polymerisable composition.
12. A method for producing an automobile assembly comprising a structural member made of a moulded plastics material having a low energy surface and a reinforcing member attached to the structural member, the members having complementary surfaces, which comprises providing an adhesive comprising a polymerisable composition, contacting together the components of the composition under conditions to initiate polymerisation, applying the adhesive to the complementary surface of the structural and/or reinforcing member, bringing the complementary surfaces of the reinforcing member and structural member into contact and curing the adhesive whereby the said members bond together.
13. A method according to claim 11 or claim 12 in which the polymerisable composition comprises an organoborane/amine complex and one or more of monomers, oligomers or polymers having olefinic unsaturation which is capable of polymerisation by free radical polymerisation.
14. A method according to claim 13 in which the polymerisable composition further comprises a compound which causes the said complex to disassociate so as to release the organoborane to initiate polymerisation of one or more of monomers, oligomers or polymers having olefinic unsaturation.
15. A method according to claim 13 or claim 14 in which the amine part of the organoborane/amine complex is selected from the group of amines having an amidine structural component; aliphatic heterocycles having at least one nitrogen in the heterocyclic ring; primary amines which in addition have one or more hydrogen bond accepting groups wherein there are at least two carbon atoms between the primary amine and the hydrogen bond accepting group; and conjugated imines.
16. A method according to claim 15 in which the amine is selected from dimethylaminopropyl amine, methoxypropyl amine, dimethylaminoethylamine, dimethylaminobutylamine, methoxybutyl amine, methoxyethyl amine, ethoxypropylamine, propoxypropylamine, amine terminated polyalkylene ethers (such as trimethylolpropane tris(poly(propyleneglycol), amine terminated)ether), aminopropylmorpholine, isophoronediamine, and aminopropylpropanediamine.
17. A method according to any one of claims 13 to 16 in which the organoborane part of the organoborane/amine complex is selected from a trialkyl borane and an alkyl cycloalkyl borane.
18. A method according to claim 17 in which the organoborane is selected from tri-ethyl borane, tri-isopropyl borane and tri-n-butylborane.
19. A method according to any one of claims 13 to 18 in which the molar ratio of amine compound to organoborane compound is from 1.0:1.0 to 3.0:1.0
20. An automobile assembly comprising a structural member made of a moulded plastics material having a low energy surface and a reinforcing member attached to the structural member, the structural member and reinforcing member having complementary surfaces and being attached by means of an adhesive, which is capable of bonding to a low energy surface substrate, on at least part of one or both of the complementary surfaces.
21. An automobile assembly comprising a structural member made of a moulded glass filled polypropylene and/or glass filled polyamide having a surface energy of less than 45 mJ/m2, and a reinforcing member made from steel, zinc and/or aluminium attached to the structural member, the structural member and reinforcing member having complementary surfaces and being attached by means of an adhesive which is capable of bonding to a substrate having a surface energy of less than 45 mJ/m2 disposed between at least part of the complementary surfaces so as to bond them together, the adhesive being derived from a polymerisable composition comprising i)an organoborane/amine complex;
ii) one or more of monomers, oligomers or polymers having olefinic unsaturation which is capable of polymerisation by free radical polymerisation;
and, optionally iii) a compound which causes the said complex to disassociate so as to release the borane to initiate polymerisation of one or more of monomers, oligomers or polymers having olefinic unsaturation.
22. An automobile assembly according to any one of claims 20 and 21 wherein the assembly comprises a front end carrier being that part of the body of an automobile which joins two sides of the automobile together at the front or rear of the automobile and which is aligned transversely so as to define a compartment.
23. An automobile assembly according to any one of claims 20 and 21 wherein the assembly comprises a bumper system in which:
i) the reinforcing member is an energy absorbing unit made of metal or plastics material and the structural member is a bumper fascia made of plastics material; or ii) the reinforcing member is a bumper beam made of metal and the structural member is an energy absorbing unit made of plastics material..
24 An assembly according to claim 23 in which the energy absorbing unit has a generally "C" shaped cross section.
CA2450647A 2001-06-15 2002-06-17 Automobile assembly Expired - Fee Related CA2450647C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0114684.4 2001-06-15
GBGB0114684.4A GB0114684D0 (en) 2001-06-15 2001-06-15 Automobile assembly
PCT/GB2002/002804 WO2002102646A1 (en) 2001-06-15 2002-06-17 Automobile assembly

Publications (2)

Publication Number Publication Date
CA2450647A1 true CA2450647A1 (en) 2002-12-27
CA2450647C CA2450647C (en) 2010-12-14

Family

ID=9916712

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2450647A Expired - Fee Related CA2450647C (en) 2001-06-15 2002-06-17 Automobile assembly

Country Status (14)

Country Link
US (4) US7185946B2 (en)
EP (1) EP1401698B1 (en)
JP (1) JP4246625B2 (en)
KR (1) KR20040014557A (en)
CN (2) CN101100197A (en)
AT (1) ATE334034T1 (en)
BR (1) BR0211001B1 (en)
CA (1) CA2450647C (en)
DE (1) DE60213411T2 (en)
ES (1) ES2264733T3 (en)
GB (1) GB0114684D0 (en)
PT (1) PT1401698E (en)
RU (1) RU2283256C2 (en)
WO (1) WO2002102646A1 (en)

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GB0114684D0 (en) 2001-08-08
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JP2004529797A (en) 2004-09-30
EP1401698B1 (en) 2006-07-26
CA2450647C (en) 2010-12-14
CN1525919A (en) 2004-09-01
US20040094976A1 (en) 2004-05-20
EP1401698A1 (en) 2004-03-31
WO2002102646A1 (en) 2002-12-27
US20070035159A1 (en) 2007-02-15
ES2264733T3 (en) 2007-01-16
PT1401698E (en) 2006-12-29
DE60213411D1 (en) 2006-09-07
DE60213411T2 (en) 2007-02-01
US7401823B2 (en) 2008-07-22
KR20040014557A (en) 2004-02-14
CN100341738C (en) 2007-10-10
BR0211001A (en) 2004-08-10
ATE334034T1 (en) 2006-08-15
JP4246625B2 (en) 2009-04-02
RU2283256C2 (en) 2006-09-10
BR0211001B1 (en) 2011-07-26
US20050035609A1 (en) 2005-02-17
US7185946B2 (en) 2007-03-06
US20030001410A1 (en) 2003-01-02
RU2004100842A (en) 2005-02-10

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