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Formula of adhesive for metal and application of adhesive

A bonding adhesive and metal technology, which is applied in the formula field of neoprene rubber and metal parts thermally vulcanized bonding primer, can solve the problems of many restrictions on use and low adhesion, and achieve less restrictions on use and improved bonding strength , The application environment requires little effect

Inactive Publication Date: 2019-02-15
HAIYING ENTERPRISE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be found that the existing product adhesives have relatively high requirements on the application environment, more restrictions on use, and lower adhesion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: The neoprene rubber is bonded to the surface of the metal part through the metal adhesive.

[0016] (1) Preparation of neoprene mortar: Plasticize and thin the bulk neoprene purchased on the market on an open mill until the thickness is 1mm, and then cut the plasticized neoprene into 1.8 mm wide strip neoprene, weigh 20 parts of strip neoprene and put it into a sealable glass bottle, then add 50 parts of solvent to the glass bottle, and finally stir the solution in the glass bottle evenly, and let it stand for 5 day spare;

[0017] (2) Preparation of chlorinated glue: weigh 20 parts of chlorinated rubber purchased on the market and put them into a sealable glass bottle, then add 50 parts of solvent into the glass bottle, and finally stir the solution in the glass bottle evenly , stand for 5 days for later use;

[0018] (3) Compounding: Weigh 100 parts of Lekna glue, 40 parts of chlorinated glue and 40 parts of neoprene glue into a beaker, and stir the so...

Embodiment 2

[0022] Embodiment 2: The neoprene rubber is bonded to the surface of the metal part through the adhesive glue for metal.

[0023] (1) Preparation of neoprene mortar: Plasticize and thin the bulk neoprene purchased on the market on an open mill until the thickness is 1.5mm, and then cut the plasticized neoprene into 2.0mm wide strip neoprene, weigh 30 parts of strip neoprene and put it into a sealable glass bottle, then add 75 parts of solvent to the glass bottle, and finally stir the solution in the glass bottle evenly, let it stand 6 days standby;

[0024] (2) Preparation of chlorinated glue: weigh 30 parts of chlorinated rubber purchased on the market and put them into a sealable glass bottle, then add 75 parts of solvent into the glass bottle, and finally stir the solution in the glass bottle evenly , stand for 6 days for later use;

[0025] (3) Compounding: Weigh 100 parts of Lekna glue, 50 parts of chlorinated glue and 50 parts of neoprene glue into a beaker, and stir t...

Embodiment 3

[0029] Embodiment 3: The neoprene rubber is bonded to the surface of the metal part through the metal adhesive.

[0030] (1) Preparation of neoprene mortar: Plasticize and thin the bulk neoprene purchased on the market on an open mill until the thickness is 2mm, and then cut the plasticized neoprene into 2.2mm mm wide strip neoprene, weigh 40 parts of strip neoprene and put it into a sealable glass bottle, then add 100 parts of solvent in the glass bottle, finally stir the solution in the glass bottle evenly, and let it stand for 7 day spare;

[0031] (2) Preparation of chlorinated glue: weigh 40 parts of chlorinated rubber purchased on the market and put them into a sealable glass bottle, then add 100 parts of solvent into the glass bottle, and finally stir the solution in the glass bottle evenly , stand for 7 days for later use;

[0032] (3) Compounding: Weigh 100 parts of Lekna glue, 60 parts of chlorinated glue and 60 parts of neoprene glue into a beaker, and stir the so...

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PUM

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Abstract

The invention relates to a formula of an adhesive for metal and an application of the adhesive, in particular to a formula of adhesive primer for hot vulcanization of chloroprene rubber and metal parts and belongs to the field of preparation processes of the adhesive for metal. The formula of the adhesive for metal comprises raw materials in parts by weight as follows: 100 parts of a polyisocyanate adhesive, 40-60 parts of chlorinated rubber cement containing chlorinated rubber and a solvent as well as 40-60 parts of chloroprene rubber cement containing chloroprene rubber and a solvent. The application of the adhesive for the metal comprises the steps as follows: (1) preparation of the chloroprene rubber cement; (2) preparation of the chlorinated rubber cement; (3) compounding; (4) coating; (5) vulcanization. The vulcanization bonding strength of the adhesive with metal is greatly improved, the bonding strength is about 10 MPa, and the preparation process is simple and feasible while the bonding performance is improved. The adhesive has low requirements for application environments and little use limitation.

Description

technical field [0001] The invention relates to a formula of bonding glue for metal and its application, in particular to the formula of thermally vulcanized bonding primer for neoprene rubber and metal parts, and belongs to the field of preparation technology of bonding glue for metal. Background technique [0002] Neoprene is one of the most widely used rubber materials in the field of underwater acoustic transducers. It not only has high tear strength, but also has good oil resistance, sea water resistance, low temperature resistance, and high insulation performance. At present, thermal vulcanization molding is widely used in the sound transmission seal of underwater acoustic transducers. Neoprene and metal are very different heterogeneous materials. It is directly vulcanized and bonded to the metal, and the bonding force is low. The method of thermal vulcanization bonding is often used, that is, a series of surface treatments are first performed on the metal, and then th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J115/02C09J111/00C09J11/06C09J5/00
CPCC09J5/00C09J11/06C09J111/00C09J115/02C08L11/00C08K5/29C08L15/02
Inventor 李立洪蒋卓远顾哲煜宋道磊
Owner HAIYING ENTERPRISE GROUP
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