EP0726928A1 - Composition adhesive anticorrosion et procede de liaison - Google Patents

Composition adhesive anticorrosion et procede de liaison

Info

Publication number
EP0726928A1
EP0726928A1 EP95902448A EP95902448A EP0726928A1 EP 0726928 A1 EP0726928 A1 EP 0726928A1 EP 95902448 A EP95902448 A EP 95902448A EP 95902448 A EP95902448 A EP 95902448A EP 0726928 A1 EP0726928 A1 EP 0726928A1
Authority
EP
European Patent Office
Prior art keywords
adhesive composition
epoxy
parts
particles
substrate
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.)
Withdrawn
Application number
EP95902448A
Other languages
German (de)
English (en)
Inventor
Alain H. Lamon
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of EP0726928A1 publication Critical patent/EP0726928A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/54—Inorganic substances

Definitions

  • the present invention further provides a method for inhibiting or preventing corrosion of a metal substrate which has been bonded to another substrate, the method comprising including particles comprising an inorganic oxide of silica or alumina having cations bound thereto in the adhesive composition being employed to bond the metal substrate to the other substrate, the particles being of a type which and present in the adhesive composition in an amount effective to inhibit or prevent corrosion of the metal substrate in the area thereof which is in contact with the adhesive composition.
  • Structural adhesives form strong integral bonds between substrates. Bonds formed with structural adhesives have a room temperature bond strength, as measured by a test well known in the industry, referred to as a T-peel test, of at least 10 pounds per lineal inch (pli) on a bond line thickness of 0.010 inch (0.25mm). The upper limit on the structural bond strength would be the cohesive failure of the substrate or yielding of the substrate.
  • the adhesive compositions of the present invention form room temperature T-peel bond strengths on a bond line thickness of 0.010 inch (.254 mm) of at least 12 pli, with preferred compositions having bond strengths greater than about 14 pli, and the most preferred compositions having bond strength greater than 17 pli.
  • Epoxides that are useful in the adhesive composition of the present invention can be any organic compound having at least one epoxy ring that is polymerizable by ring opening. Preferred are organic compounds having an average epoxy functionality greater than one, and preferably at least two.
  • the epoxides can be monomeric or polymeric, and aliphatic, cycloaliphatic, heterocyclic, aromatic or mixtures thereof. The more preferred epoxides are aromatic and contain more than 1.5 epoxy groups per molecule and most preferably more than 2 epoxy groups per molecule.
  • the toughening agents which are useful in the present invention include polymeric compounds having both a rubbery phase and a thermoplastic phase, such as graft copolymers having a polymerized diene rubbery core and a polyacrylate or polymethacrylate shell; graft copolymers having a rubbery core with a polyacrylate or polymethacrylate shell; and elastomeric particles polymerized in situ in the epoxide from free-radical polymerizable monomers and a copolymeric stabilizer.
  • polymeric compounds having both a rubbery phase and a thermoplastic phase such as graft copolymers having a polymerized diene rubbery core and a polyacrylate or polymethacrylate shell; graft copolymers having a rubbery core with a polyacrylate or polymethacrylate shell; and elastomeric particles polymerized in situ in the epoxide from free-radical polymerizable monomers and a copolymeric stabilizer.
  • acrylate core-shell graft copolymers wherein the core or backbone is a polyacrylate polymer having a glass transition temperature (T g ) below about 0°C, such as polybutyl acrylate or polyisooctyl acrylate to which is grafted a polymer (shell) having a T g above 25 °C such as polymethylmethacrylate.
  • T g glass transition temperature
  • compositions of the invention or compositions to be used in the methods of the invention are substantially free of conventional corrosion inhibitors such as aluminum phosphates and chromate salts. Further, preferred methods of the invention rely on the use of an oxide of silica or alumina having cations bound thereto, and do not involve the use of other corrosion inhibitors such as aluminum phosphates or chromate salts either in the adhesive composition or as a pretreatment of one or both of the surfaces to be bonded before application of the adhesive.
  • the prepared samples are conditioned for at least two hours at between 21 °C and 23 °C before testing to determine the initial (INIT) strength, and the aged samples are subjected to the aging conditions described below, and conditioned for 2 hours at between 21 °C and 23 °C before testing. Elevated temperature shear tests are run at the temperatures shown in the examples and samples are conditioned at the test temperature for at least 15 minutes, but no more than 30 minutes, before testing.
  • the samples are subjected to a 5% salt spray at 35 °C according to ASTM Bl 17-90 and tested after 750 hours.
  • An adhesive composition was prepared by mixing a 2: 1 volume ratio of Part B:Part A.
  • the adhesive was made into lap shear samples as described above on substrates C and D at two cure conditions.
  • Cure 1 indicates that the curing was done with a 6-second induction heating cycle to a temperature of 135 °C and then oven cured for 20 minutes at 170°C.
  • Cure 2 indicates a room temperature (between about 21 °C to 23°) cure for 20 to 24 hours and a subsequent oven cure for 20 minutes at 170°C.
  • Shear Test results are shown in Table 3.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Epoxy Resins (AREA)

Abstract

L'invention concerne une composition adhésive comprenant des particules d'un oxyde inorganique de silice ou d'alumine des cations. Ces particules inhibent ou empêchent la corrosion du métal lorsque la composition adhésive durcie se trouve en contact avec ledit métal concerné. L'invention concerne par ailleurs un procédé de liaison.
EP95902448A 1993-11-05 1994-11-04 Composition adhesive anticorrosion et procede de liaison Withdrawn EP0726928A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14756093A 1993-11-05 1993-11-05
US147560 1993-11-05
PCT/US1994/012734 WO1995012647A1 (fr) 1993-11-05 1994-11-04 Composition adhesive anticorrosion et procede de liaison

Publications (1)

Publication Number Publication Date
EP0726928A1 true EP0726928A1 (fr) 1996-08-21

Family

ID=22522056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95902448A Withdrawn EP0726928A1 (fr) 1993-11-05 1994-11-04 Composition adhesive anticorrosion et procede de liaison

Country Status (6)

Country Link
EP (1) EP0726928A1 (fr)
JP (1) JPH09504820A (fr)
KR (1) KR960705899A (fr)
CN (1) CN1134167A (fr)
CA (1) CA2175574A1 (fr)
WO (1) WO1995012647A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08218050A (ja) * 1995-02-09 1996-08-27 Mitsui Toatsu Chem Inc エポキシ系接着剤組成物
GB9702871D0 (en) * 1997-02-12 1997-04-02 Ciba Geigy Curable compositions
JP2000144082A (ja) * 1998-11-16 2000-05-26 Minnesota Mining & Mfg Co <3M> 熱硬化性接着剤組成物、接着剤、および接着剤の製造方法
KR20020031267A (ko) * 2000-10-18 2002-05-01 티오켐 주식회사 규산소다를 주요성분으로 하는 방청제
DE10163858B4 (de) * 2001-12-22 2005-09-08 Henkel Kgaa Verwendung korrosionsschutzpigmenthaltiger Klebstoffe zur Herstellung von DVDs
US7071263B2 (en) * 2003-05-19 2006-07-04 3M Innovative Properties Company Epoxy adhesives and bonded substrates
US20070202255A1 (en) * 2003-09-29 2007-08-30 Tomoyuki Shinoda Titanium Or Titanium Alloy Adhesive Resin Composition Prepreg And Composite Material
US20050137357A1 (en) * 2003-12-18 2005-06-23 Skoglund Michael J. Epoxy adhesive composition method of preparing and using
JP4639766B2 (ja) * 2004-11-16 2011-02-23 横浜ゴム株式会社 二液型常温硬化性エポキシ樹脂組成物および金属接着剤組成物
US7892396B2 (en) * 2006-06-07 2011-02-22 Zephyros, Inc. Toughened activatable material for sealing, baffling or reinforcing and method of forming same
JP5080922B2 (ja) * 2007-09-26 2012-11-21 株式会社神戸製鋼所 端面耐食性に優れた非クロム系樹脂塗装金属板
JP5972353B2 (ja) * 2011-03-28 2016-08-17 スリーエム イノベイティブ プロパティズ カンパニー 硬化性組成物、物品、硬化方法、及び反応生成物
ES2374249B1 (es) * 2011-10-24 2012-12-20 Institut Químic De Sarrià Cets Fundació Privada Composición adhesiva.
EP3218433A1 (fr) * 2014-11-11 2017-09-20 Dow Global Technologies LLC Composition adhésive contenant des sphères de verre
EP3385297A1 (fr) * 2017-04-04 2018-10-10 3M Innovative Properties Company Composition d'agent d'étanchéité hybride époxy-silicone présentant un faible rétrécissement et des propriétés de faible post-durcissement ayant une résistance chimique pour des applications aérospatiales
EP3681967A1 (fr) * 2017-09-12 2020-07-22 DDP Specialty Electronic Materials US, Inc. Formulation pour adhésif
KR102295023B1 (ko) * 2019-07-17 2021-08-26 (주) 이에스은성산업 액세서리용 접착제 및 이 액세서리용 접착제를 이용한 스톤타입 액세서리 부재 접착방법
CN114874736B (zh) * 2022-05-30 2023-07-21 中路交科科技股份有限公司 一种增强型环氧沥青粘结料及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419137A (en) * 1980-08-09 1983-12-06 The British Petroleum Company Limited Corrosion inhibitors, method of producing and protective coatings containing same
JPH0794650B2 (ja) * 1987-05-29 1995-10-11 サンスタ−技研株式会社 金属用熱硬化性エポキシ樹脂接着剤組成物
GB8726157D0 (en) * 1987-11-07 1987-12-09 British Petroleum Co Plc Corrosion-inhibiting composition
US4837253A (en) * 1987-12-15 1989-06-06 Ppg Industries, Inc. Corrosion inhibiting pigment
US4983672A (en) * 1987-12-23 1991-01-08 Minnesota Mining And Manufacturing Company Epoxide resin compositions and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9512647A1 *

Also Published As

Publication number Publication date
CN1134167A (zh) 1996-10-23
JPH09504820A (ja) 1997-05-13
CA2175574A1 (fr) 1995-05-11
WO1995012647A1 (fr) 1995-05-11
KR960705899A (ko) 1996-11-08

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