Binder for sponge sand paper and preparation method thereof

A sponge sandpaper and binder technology, applied in the direction of polymer binder additives, non-polymer binder additives, novolak epoxy resin binders, etc., can solve the problem of substrates, abrasives and binders The problems of detachment, the easy aging of the adhesive, the short service life of the sponge sandpaper, etc., can enhance the heat resistance, strong adhesion, and improve the thermal insulation performance.

Inactive Publication Date: 2019-11-19
深圳市燕泰电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] After curing, urea-formaldehyde resin, phenolic resin and epoxy resin are more brittle, lower in strength and peel strength, and poor in heat resistance. During the sponge sandpaper polishing process, due to friction heating, the adhesive is easy to age or the adhesive force is reduced. Causes substrate and abrasive to detach from bond, shorter service life of sponge sandpaper

Method used

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  • Binder for sponge sand paper and preparation method thereof
  • Binder for sponge sand paper and preparation method thereof
  • Binder for sponge sand paper and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1-3

[0037] In Preparation Example 1-3, the aluminum silicate fiber is selected from the aluminum silicate fiber sold by Zibo Jinhe Thermal Insulation Material Co., Ltd. with the item number HP, and the glass fiber is selected from the glass with the item number 007 sold by Hejian Shilei Glass Fiber Cloth Factory. The fiber and shell powder are selected from the shell powder sold by Shijiazhuang Qun Teng Building Materials Sales Co., Ltd. with the item number B102, and the organic montmorillonite is selected from the organic montmorillonite and seafoam sold by the Lingshou County Ruixin Mineral Powder Factory with the item number 011 The stone was selected from the sepiolite sold by Lingshou County Zhongke Mineral Powder Co., Ltd. with the product number of 200, and the polyurethane was selected from the polyurethane sold by Daoqin Material Technology (Macheng) Co., Ltd. with the model number DAOQ.

preparation example 1

[0038]Preparation Example 1: (1) According to the proportioning in Table 1, 1kg of aluminum silicate fiber and 2kg of glass fiber were soaked in concentrated sulfuric acid solution for 1h, taken out, and dried. The mass ratio of aluminum silicate fiber to concentrated sulfuric acid was 1 :3;

[0039] (2) 2kg of shell powder, 1kg of organic montmorillonite and 2kg of sepiolite were added to acetone, ultrasonically treated for 30min, taken out, and dried. The mass ratio of shell powder to acetone was 1:5;

[0040] (3) Heat 3kg of polyurethane to 170°C, add the aluminum silicate fiber and glass fiber obtained in step (1), stir evenly, add the shell powder, organic montmorillonite and sepiolite obtained in step (2), and mix evenly Finally, it is dried and crushed into 10 μm powder to obtain a thermal insulation material.

[0041] Table 1 Raw material ratio of heat insulating material in Preparation Example 1-3

[0042]

[0043]

preparation example 2

[0044] Preparation example 2: (1) soak 2kg of aluminum silicate fibers and 3kg of glass fibers in concentrated sulfuric acid solution for 1.5h, take them out, and dry them. The mass ratio of aluminum silicate fibers to concentrated sulfuric acid is 1:4;

[0045] (2) 3kg of shell powder, 2kg of organic montmorillonite and 3kg of sepiolite were added to acetone, ultrasonically treated for 35 minutes, taken out, and dried. The mass ratio of shell powder to acetone was 1:6;

[0046] (3) Heat 5kg of polyurethane to 180°C, add the aluminum silicate fiber and glass fiber obtained in step (1), stir evenly, add the shell powder, organic montmorillonite and sepiolite obtained in step (2), and mix evenly Finally, it is dried and crushed into 15 μm powder to obtain a thermal insulation material.

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Abstract

The invention discloses a binder for sponge sand paper and a preparation method thereof. The binder for sponge sand paper comprises the following components by weight: 20 to 40 parts of phenolic epoxyresin, 5 to 20 parts of ethyl acetate, 3 to 5 parts of the curing agent Ancamine K54, 1 to 3 parts of whisker powder, 5 to 15 parts of a heat-resistant stabilizer, 10 to 15 parts of modified water glass, 10 to 15 parts of a filler and 3 to 8 parts of an elastic modulus filler. The heat-resistant stabilizer includes the following parts by weight: 5 to 10 parts of stearate, 1 to 3 parts of a defoaming agent, 1 to 3 parts of an antistatic agent and 10 to 15 parts of a heat insulation material. The heat insulation material includes the following parts by weight: 1 to 3 parts of aluminum silicatefibers, 2 to 4 parts of glass fibers, 3 to 7 parts of polyurethane, 2 to 4 parts of shell powder, 1 to 3 parts of organic montmorillonite and 2 to 5 parts sepiolite. The binder for sponge sandpaper inthe invention has the advantages of low brittleness after curing, high bonding strength, and good heat resistance.

Description

technical field [0001] The invention relates to the technical field of adhesives, in particular to an adhesive for sponge sandpaper and a preparation method thereof. Background technique [0002] Sponge sandpaper is the main tool of sanding process. It can be used for manual polishing of furniture, surface polishing of plastic products, polishing of car repair paint, surface treatment of metal rust spots and plastics, etc. It has remarkable characteristics such as water resistance, acid and alkali resistance. [0003] Sponge sandpaper is composed of substrate, abrasive and binder. The abrasive is bonded to the substrate by binder. The substrate of sponge sandpaper for furniture production is cloth and paper. The paper substrate is Specially treated high-strength paper is used as the belt base of sponge sandpaper. The paper belt base is relatively hard and can grind out a high-gloss surface. Paper-based sponge sandpaper is used in fine grinding and ultra-fine grinding. Cloth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/04C09J11/04C09J11/08C09J11/06
CPCC08K2003/265C08L2201/08C08L2205/035C09J11/04C09J11/06C09J11/08C09J163/04C08L75/04C08L21/00C08L71/12C08K13/06C08K9/04C08K3/34C08K9/02C08K7/10C08K7/14C08K3/26C08K3/346C08K5/098C08K7/08C08K7/24
Inventor 胡结明胡赵燕曾建波叶智远
Owner 深圳市燕泰电子科技有限公司
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