CN-116728789-B - Glue-free bonding heterogeneous material and preparation method thereof

CN116728789BCN 116728789 BCN116728789 BCN 116728789BCN-116728789-B

Abstract

The application discloses a glue-free adhesive heterogeneous material and a preparation method thereof, the non-adhesive bonding heterogeneous material comprises a first heterogeneous material, a second heterogeneous material and a bonding material, and the materials are connected in a non-adhesive bonding mode. The preparation method comprises the steps of conveying and extruding the first and second dissimilar materials and the first and second surfaces of the bonding material through a pressing device to enable the first dissimilar materials, the bonding material and the second dissimilar materials to be in close contact, and connecting and bonding the first dissimilar materials, the bonding material and the second dissimilar materials by using foaming force generated by foaming physical and/or chemical reaction. The application adopts the technology of glue-free lamination, thereby solving the environmental protection problem. And the application way of the product is improved.

Inventors

GAO ZHENYI
GAO SHANGJIE
LAI YONGBIN
HUANG YANCHENG
ZHANG YUCHENG

Assignees

简单绿能股份有限公司

Dates

Publication Date: 20260512
Application Date: 20230707

Claims (7)

1. A method for preparing a glue-free laminated heterogeneous material, which is characterized by comprising the following steps: Providing a first dissimilar material, a second dissimilar material and a bonding material, wherein the bonding material can be bonded with the first dissimilar material and the second dissimilar material through pressing force and foaming force, and the bonding material comprises a first surface and a second surface; Conveying and extruding the first special material, the second special material and the bonding material through pressing equipment, wherein the first special material is in close contact with the first surface, and the second special material is in close contact with the second surface; when the first dissimilar material is abutted against the first surface, the first dissimilar material and the first surface are connected and abutted by utilizing foaming force generated by foaming physical and/or chemical reaction; when the second dissimilar material is abutted against the second surface, the second dissimilar material and the second surface are connected and abutted by utilizing foaming force generated by foaming physical and/or chemical reaction; when the first dissimilar material is abutted against the second dissimilar material, the first dissimilar material and the second dissimilar material are connected and attached by utilizing foaming force generated by foaming physical and/or chemical reaction; the first dissimilar material and the second dissimilar material comprise foaming materials with different physical properties, the foaming materials comprise one or more of natural rubber, polyurethane, polystyrene and polyolefin, the bonding material comprises a woven material, and the woven material is provided with woven pores; when the first special material and the second special material are attached to the bonding material, the first special material and the second special material form a plurality of pseudo-bonding parts between the weaving holes, the pressing equipment is provided with an air tap, gas is introduced into the pseudo-bonding parts, and the pseudo-bonding parts are supported to form an air cushion body; the pressing equipment comprises rollers, tracks and pressing plates, wherein the surfaces of any one of the rollers, the tracks and the pressing plates are provided with concave-convex surfaces which are symmetrically matched.
2. The method of manufacturing according to claim 1, wherein the pressing device comprises one of a roller foaming roller press, a caterpillar foaming roller press, and a platen foaming hot press.
3. The method of claim 1, wherein the first dissimilar material is bonded to the second dissimilar material, the first dissimilar material and the second dissimilar material have a contact area when bonded, and the ratio of the contact area is controlled by one or more of a pressing force, a foaming force, a vulcanization bridging force, and a material rebound force.
4. The method according to claim 1, wherein the ratio of the bonding contact areas of the first dissimilar materials and the second dissimilar materials is 0% -100%.
5. The method of manufacturing of claim 1, wherein the first dissimilar material and the second dissimilar material comprise different foamed materials comprising one or more of natural rubber, polyurethane, polystyrene, and polyolefin.
6. The method of making according to any one of claims 1 or 5, wherein the woven material comprises one or more of cotton, polyester, and nylon fibers.
7. The glue-free bonding heterogeneous material is characterized in that the glue-free bonding heterogeneous material is prepared by the preparation method according to any one of claims 1-6.

Description

Glue-free bonding heterogeneous material and preparation method thereof Technical Field The application relates to the technical field of materials, in particular to a glue-free bonding heterogeneous material and a preparation method thereof. Background Due to the demand of product diversity, rubber foam products made of single materials are gradually out of compliance with market demands. The foaming materials made of different composite materials can improve the aesthetic degree of the product and are more acceptable to consumers, so that the foaming materials become the direction of the development of the current industry striving conception. However, in the prior art, materials with different physical properties are adhered to the surface of a foamed product such as rubber, and before the rubber sheet is sent to a vulcanization foaming box of a vulcanization molding machine for molding, an adhesive or an adhesive is coated on the surface of the rubber sheet, and the materials with different physical properties are placed on the rubber sheet and sent to the vulcanization foaming box together, so that the foamed product with different physical properties can be foamed and molded. For the adhesive used in the adhesive bonding material, the bonding process of the material is complicated, and the selection of a proper adhesive is important to ensure good bonding strength and durability, and improper selection may lead to bonding failure or poor performance. This bonding with glue or adhesive can cause contamination to both air and water. Besides causing environmental protection problem, the production and manufacture process is too complex, and a large amount of manpower is needed, so that the production time is long, the material loss is easy to generate in the manufacture process, and the production and manufacture process is not ideal. Disclosure of Invention In order to solve the technical problems, the application discloses a glue-free bonding heterogeneous material and a preparation method thereof. Improving the beauty of the foaming product and expanding the application of the foaming product. In order to achieve the above object, the present application provides a method for preparing a glue-free adhesive heterogeneous material, comprising the steps of: Providing a first dissimilar material, a second dissimilar material and a bonding material, wherein the bonding material can be bonded with the first dissimilar material and the second dissimilar material through pressing force and foaming force, and the bonding material comprises a first surface and a second surface; when the first dissimilar materials, the second dissimilar materials and the bonding materials are conveyed and extruded through the pressing equipment, the first dissimilar materials are abutted against the first surface, and the second dissimilar materials are abutted against the second surface; When the first dissimilar material is abutted against the first surface, the first dissimilar material and the first surface are connected and attached by utilizing foaming force generated by foaming physical and/or chemical reaction; when the second dissimilar material is abutted against the second surface, the second dissimilar material and the second surface are connected and attached by utilizing foaming force generated by foaming physical and/or chemical reaction; when the first dissimilar material is abutted against the second dissimilar material, the first dissimilar material and the second dissimilar material are connected and attached by utilizing foaming force generated by foaming physical and/or chemical reaction. Preferably, the pressing device comprises one of a roller type foaming roller press, a crawler type foaming roller press and a pressing plate type foaming hot press. Preferably, the pressing device comprises a roller, a track and a pressing plate, and the surface of any one of the roller, the track and the pressing plate is provided with a concave-convex surface which is symmetrically matched. Preferably, the first dissimilar material is attached to the second dissimilar material, the first dissimilar material has a contact area when attached to the second dissimilar material, and the contact area ratio is controlled by one or more of pressing force, foaming force, vulcanization bridging force and material rebound force. Preferably, the ratio of the bonding contact area of the first dissimilar material to the bonding contact area of the first dissimilar material is 0% -100%. Preferably, the proportion of the bonding contact area of the first dissimilar material and the first dissimilar material is 0%, 20% -50% and 60% -100%. Preferably, the first and second dissimilar materials comprise foaming materials of different physical properties, the foaming materials comprise one or more of natural rubber, polyurethane, polystyrene and polyolefin, the bonding material comprises a woven material, and the woven material has woven por