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Title:
STRUCTURAL ADHESIVE PAPER AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/181489
Kind Code:
A1
Abstract:
Provided are a structural adhesive paper and a preparation method therefor. The structural adhesive paper comprises a first adhesive layer and a first substrate. The first adhesive layer comprises: a first adhesive for bonding to an object to be bonded, and foaming agent particles. The first adhesive layer is provided with a first groove; the location of the first groove is filled with a second adhesive layer; and the second adhesive layer is used for bonding to the object to be bonded and comprises a second adhesive but does not contain foaming agent particles. The first adhesive layer containing foaming agent particles in the structural adhesive paper of the present invention is kept detached from the object to be bonded after the foaming of the foaming agent particles; the second adhesive layer free of foaming agent particles is kept adhered to the object to be bonded; therefore, the stickiness of the structural adhesive paper after foaming can be accurately controlled.

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Inventors:
DAI ZHIFANG (CN)
LONG HAI (CN)
TAO XINGHUA (CN)
ZHANG SHENGWU (CN)
Application Number:
PCT/CN2016/084021
Publication Date:
October 26, 2017
Filing Date:
May 31, 2016
Export Citation:
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Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
C09J7/20; C09J11/00
Foreign References:
CN204939378U2016-01-06
CN103305136A2013-09-18
CN1451707A2003-10-29
CN105462511A2016-04-06
Attorney, Agent or Firm:
BEIJING WUZHOUYANGHE & PARTNERS (CN)
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