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Composition

A composition and compound technology, applied in the directions of graft polymer adhesives, non-polymer organic compound adhesives, adhesive types, etc., can solve problems such as undocumented oxygen content

Pending Publication Date: 2021-01-22
DENKA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, Patent Documents 1 to 5 do not describe the oxygen content

Method used

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Embodiment 1～8

[0078] Each material used was mixed with the composition of Table 1, and the adhesive composition which consists of a 1st part and a 2nd part was prepared. In a nitrogen atmosphere, each material used was mixed to adjust the oxygen content. If necessary, dissolved oxygen is adjusted by blowing nitrogen gas into each material used at a stage before mixing. The results are shown in Table 1.

[0079] (used material)

[0080] Tetrahydrofurfuryl methacrylate: commercially available

[0081] Isooctyl acrylate: commercially available

[0082] Isobornyl methacrylate: commercially available

[0083] Alkylborane-amine complex: trade name "TEB-DETA" (manufactured by BASF Corporation, triethylborane-diethylenetriamine complex)

[0084] Phosphate ester: commercially available, acid phosphoethyl methacrylate, in general formula (A), t=1, R 2 for CH 2 =C(CH 3 )COO-C 2 h 4 -

[0085] PP: Polypropylene test piece, commercially available

[0086] CFR-PP: Polypropylene test piece con...

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Abstract

A two-part composition wherein a first agent contains (1) a (meth)acrylate and (2) an organic boron compound and has an oxygen content of no more than 5 ppm, and a second agent contains (3) a phosphate ester.

Description

technical field [0001] The present invention relates, for example, to compositions having excellent storage stability. Background technique [0002] Polyolefins such as polyethylene and polypropylene are used in a wide range of fields as materials such as automobile parts, electric motor parts, construction materials, and films for food packaging. Since polyolefin is a non-polar material, it is a difficult-to-bond material that is difficult to bond. [0003] On the other hand, two-component acrylic adhesives are characterized by curing in a short time at room temperature, being less affected by variations in the mixing ratio, and having excellent balance between adhesion and peeling, and are used in a wide range of fields. For structural adhesives. [0004] However, the acrylic adhesive of the above-mentioned two-component main component type has low adhesiveness to polyolefins like other adhesives, and therefore, it is difficult to apply it to adhesion of polyolefins. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F20/26C08F20/10C09J4/02C09J11/06
CPCC09J143/02C08F220/281C09J4/06C08F279/02C09J151/04C08F230/02C08F220/1811C08F20/18C08F20/26C08K5/521C08K5/55C08L9/02C09J133/14
Inventor 星野贵子后藤庆次
Owner DENKA CO LTD
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