Novel water-resistant and grinding-resistant abrasive paper

Abstract

The utility model relates to novel water-resistant and grinding-resistant abrasive paper, which belongs to the technical field of abrasive paper and comprises an abrasive paper body, the abrasive paper body consists of a paper base layer, a resin filling layer, a grinding layer, a bonding layer, a waterproof layer, a silk thread layer and a waterproof film, the resin filling layer is arranged at the top of the paper base layer, the grinding layer is arranged at the top of the resin filling layer, and the bonding layer is arranged at the bottom of the bonding layer. A bonding layer is arranged on the top of the polishing layer, and a waterproof layer is arranged on the top of the bonding layer. According to the novel waterproof and grinding-resistant abrasive paper, the waterproof layer is installed, waterproof treatment can be conducted on the surface of the grinding layer, the situation that water permeates into the paper base layer from the grinding layer to wet the abrasive paper is delayed, the waterproof performance of the abrasive paper is improved, the resin filling layer is installed, protection is conveniently provided for the paper base layer, and then the overall waterproof performance of the abrasive paper is improved; and the waterproof film is installed, further waterproof protection is provided for the abrasive paper, the situation that water immerses into the abrasive paper along gaps between the paper base layer and all the layers is reduced, and the use quality of the abrasive paper is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sandpaper technical field, concretely to a novel water -resistant grinding sandpaper. BACKGROUND

[0002] Sandpaper, commonly known as sanding, is a kind of material for grinding, and the sandpaper is often uneven in the process of use, and the abrasive particles fall off during grinding, and are easy to be damaged by water, according to different grinding materials, there are many kinds such as diamond paper, artificial diamond paper, glass sandpaper, dry abrasive paper (wood sandpaper) is used for polishing the surface of wood and bamboo, and is made of corundum or silicon carbide abrasive firmly adhered to the base by paint or resin as the binder, and the shape has two kinds of page and roll.

[0003] Please refer to the announcement number CN212420973U, a kind of all resin water -resistant sandpaper, including abrasive layer, acrylic waterproof adhesive layer, paper base layer, water-soluble synthetic resin adhesive layer and SBR latex waterproof adhesive layer......The outer part of the abrasive layer is distributed with brown corundum particles, zirconium corundum particles and silicon carbide particles, the grinding efficiency is more than 3 times of ordinary water -resistant sandpaper, and the softness and desquamation are good, widely used, the solidification speed is fast, the softness is good, the adhesive strength is high, the water resistance and weather resistance are good, the environment is protected and non-toxic, novel, the cost is low, further strengthen the water resistance of sandpaper, aging resistance and high temperature resistance.

[0004] In the above patent, the waterproof layer is coated on the upper and lower surfaces of the base paper to prevent water from entering the base paper, but water will inevitably enter the base paper through the gap between the base paper and the waterproof layer when the sandpaper is bent and damaged, the waterproof layer of the sandpaper is damaged, the waterproof performance is greatly reduced, and the use effect and quality of the sandpaper are reduced, and another technical solution is provided to solve the technical problem. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a novel water -resistant grinding sandpaper, which has the advantages of waterproofing, solves the problem that water will enter the base paper through the gap between the base paper and the waterproof layer when the sandpaper is bent and damaged, the waterproof layer of the sandpaper is damaged, the waterproof performance is greatly reduced, and the use effect and quality of the sandpaper are reduced.

[0006] To achieve the above object, the utility model provides the following technical scheme: a novel water -resistant grinding sandpaper, including sandpaper body, the sandpaper body is composed of paper base layer, resin filling layer, polishing layer, adhesive layer, waterproof layer, silk thread layer and waterproof film;

[0007] The top of the paper base layer is provided with a resin filling layer, the top of the resin filling layer is provided with a polishing layer, the top of the polishing layer is provided with a sticking layer, the top of the sticking layer is provided with a waterproof layer, the bottom of the paper base layer is provided with a silk thread layer, and the bottom of the silk thread layer is provided with a waterproof film.

[0008] Further, the thickness of the resin filling layer is three millimeters, the polishing layer is high-carbon silicon, and the thickness of the polishing layer is four millimeters.

[0009] Further, the sticking layer is SBR latex waterproof adhesive, and the SBR latex waterproof adhesive is injection molded on the upper surface of the polishing layer.

[0010] Further, the waterproof layer is polyvinyl chloride, and the thickness of the waterproof layer is two millimeters.

[0011] Further, the silk thread layer is interlaced by fiber silk threads, and the silk thread layer is bonded to the top of the paper base layer by glue.

[0012] Further, the waterproof film is bonded to the bottom of the silk thread layer by glue, and the waterproof film extends to both sides of the silk thread layer, the paper base layer and the resin filling layer.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] The novel waterproof and abrasive sandpaper can waterproof the surface of the polishing layer, delay the penetration of water from the polishing layer to the paper base layer, improve the waterproof performance of the sandpaper, and improve the waterproof performance of the sandpaper as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a sectional view of the structure of the utility model;

[0016] Fig. 2 It is a sectional view of the structure of the utility model;

[0017] In the drawing: 1, sandpaper body; 2, paper base layer; 3, resin filling layer; 4, polishing layer; 5, sticking layer; 6, waterproof layer; 7, silk thread layer; 8, waterproof film. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made belong to the scope of protection of the present application.

[0019] Please refer to Figs. 1-2 The novel water-resistant and wear-resistant sandpaper in the embodiment comprises a sandpaper body 1, and the sandpaper body 1 is composed of a paper base layer 2, a resin filling layer 3, a polishing layer 4, a sticking layer 5, a waterproof layer 6, a silk thread layer 7 and a waterproof film 8.

[0020] The top of the paper base layer 2 is provided with the resin filling layer 3, so as to further improve the waterproof performance of the sandpaper, provide waterproof effect for the paper base layer 2, reduce the erosion of water to the paper base layer 2, improve the overall waterproof performance of the sandpaper, and further improve the service life of the sandpaper.

[0021] In the embodiment, the top of the resin filling layer 3 is provided with the polishing layer 4, the top of the polishing layer 4 is provided with the sticking layer 5, the sticking layer 5 is SBR latex waterproof adhesive, and the SBR latex waterproof adhesive is injection molded on the upper surface of the polishing layer 4, so as to facilitate the adhesion of the waterproof layer 6 on the polishing layer 4, and achieve the purpose of providing waterproof performance for the polishing layer 4.

[0022] The adhesive strength of the traditional phenolic resin and semi-resin water-resistant sandpaper is weak, the environmental protection performance is insufficient, the cost is high, the waterproof effect is not ideal, the sandpaper is easy to age after long use, the SBR latex waterproof adhesive is adopted, the curing speed is fast during the sticking process of the waterproof layer 6 and the polishing layer 2, the softness is good, the adhesive strength is high, the water resistance and weather resistance are good, the environmental protection is non-toxic, the novelty is high, the cost is low, the waterproof performance of the sandpaper is further improved, the sandpaper is resistant to aging and high temperature, and then the use effect and quality of the sandpaper are improved.

[0023] In addition, the top of the sticking layer 5 is provided with the waterproof layer 6, the waterproof layer 6 is polyvinyl chloride, and the thickness of the waterproof layer 6 is two millimeters, the surface of the polishing layer 4 is waterproof treated, the water penetration and wetting of the sandpaper from the polishing layer 4 to the paper base layer 2 is delayed, the waterproof performance of the sandpaper is improved, and then the service life of the sandpaper is prolonged.

[0024] The bottom of the paper base layer 2 is provided with the silk thread layer 7, the silk thread layer 7 is interlaced by fiber silk threads, the silk thread layer 7 is bonded to the top of the paper base layer 2 by glue, the paper base layer 2 is easy to tear when it is damp, the anti-pulling performance of the device in the use state is effectively improved, the toughness of the sandpaper is improved, and the overall tensile performance and service life of the sandpaper are improved.

[0025] The lower surface of the paper base layer 2 is provided with a wave shape, and the lower surfaces of the silk thread layer 7 and the waterproof film 8 are attached to the paper base layer 2 and are also provided with a wave shape. By being provided with a wave shape, the person can help the hands to touch the lower surface of the waterproof film 8 during the taking operation of the device, thereby playing a certain degree of anti-skid work, so as to facilitate the hands of the person to take the device and perform the grinding work.

[0026] The bottom of the silk thread layer 7 is provided with the waterproof film 8, the waterproof film 8 is adhered to the bottom of the silk thread layer 7 by glue, and the waterproof film 8 extends to both sides of the silk thread layer 7, the paper base layer 2 and the resin filling layer 3, and forms a waterproof wrapping on the upper and lower surfaces of the paper base layer 2. At the same time, through the extended waterproof film 8, the outside of the silk thread layer 7 and the resin filling layer 3 can be protected, so as to prevent water from penetrating into the sandpaper from the side, form a protective film on the outside of the sandpaper, reduce the situation that water will penetrate into the sandpaper from the gap between the paper base layer 2 and each layer, or from the side, cause damage to the sandpaper and rot the sandpaper, and facilitate to improve the use quality and service life of the sandpaper.

[0027] It should be noted that the novel water-resistant and grinding-resistant sandpaper can perform waterproof treatment on the surface of the grinding layer 4 through the waterproof layer 6, delay the penetration of water from the grinding layer 4 into the paper base layer 2 to wet the sandpaper, improve the water resistance of the sandpaper, and install the resin filling layer 3 to provide protection for the paper base layer 2, thereby improving the waterproof performance of the sandpaper as a whole. The waterproof film 8 provides further waterproof protection for the sandpaper, reduces the situation that water will penetrate into the sandpaper from the gap between the paper base layer 2 and each layer, and improves the use quality of the sandpaper.

[0028] Specifically, the novel water-resistant and grinding-resistant sandpaper, the waterproof layer 6 can perform waterproof treatment on the surface of the grinding layer 4, delay the penetration of water from the grinding layer 4 into the paper base layer 2 to wet the sandpaper, improve the water resistance of the sandpaper, the waterproof film 8 provides further waterproof protection for the sandpaper, reduces the situation that water will penetrate into the sandpaper from the gap between the paper base layer 2 and each layer, and improves the use quality of the sandpaper, the silk thread layer 7 improves the toughness of the sandpaper and prolongs the service life of the sandpaper, the resin filling layer 3 strengthens the waterproof performance of the sandpaper and increases the rigidity of the sandpaper, facilitates to improve the use quality of the sandpaper and prolong the service life of the sandpaper.

[0029] The working principle of the above embodiment is as follows:

[0030] (1) the new type of water-resistant and wear-resistant sandpaper, the waterproof layer 6 can waterproof the surface of the polishing layer 4, delay the water from the polishing layer 4 to the paper base layer 2, improve the water resistance of the sandpaper, the resin filling layer 3 provides waterproof performance for the paper base layer 2, and further improves the service life of the sandpaper, the waterproof film 8 provides further waterproof protection for the sandpaper, reduces the case that water will penetrate into the sandpaper along the gap between the paper base layer 2 and each layer, improves the use quality of the sandpaper, the silk thread layer 7 improves the toughness of the sandpaper, improves the service life of the sandpaper, the resin filling layer 3 strengthens the waterproof performance of the sandpaper, and at the same time increases the rigidity of the sandpaper, facilitates to improve the use quality of the sandpaper, and facilitates to prolong the service life of the sandpaper.

[0031] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more limitations, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel water resistant and abrasive resistant sandpaper comprising a sandpaper body (1) characterized in that: The sand paper body (1) is composed of a paper base layer (2), a resin filling layer (3), a polishing layer (4), a sticking layer (5), a waterproof layer (6), a silk thread layer (7) and a waterproof film (8). The top of the paper base layer (2) is provided with the resin filling layer (3), the top of the resin filling layer (3) is provided with the polishing layer (4), the top of the polishing layer (4) is provided with the sticking layer (5), the top of the sticking layer (5) is provided with the waterproof layer (6), the bottom of the paper base layer (2) is provided with the silk thread layer (7), the bottom of the silk thread layer (7) is provided with the waterproof film (8), the waterproof film (8) is adhered to the bottom of the silk thread layer (7) by glue, and the waterproof film (8) extends to both sides of the silk thread layer (7), the paper base layer (2) and the resin filling layer (3).

2. A novel water resistant and abrasive resistant sandpaper as claimed in claim 1, wherein: The thickness of the resin filling layer (3) is three millimeters, the polishing layer (4) is high silicon carbide, and the thickness of the polishing layer (4) is four millimeters.

3. A novel water resistant and abrasive resistant sandpaper as claimed in claim 1, wherein: The sticking layer (5) is SBR latex waterproof adhesive, and the SBR latex waterproof adhesive is injection molded on the upper surface of the polishing layer (4).

4. A novel water resistant and abrasive resistant sandpaper as claimed in claim 1, wherein: The waterproof layer (6) is polyvinyl chloride, and the thickness of the waterproof layer (6) is two millimeters.

5. A novel water resistant and abrasive resistant sandpaper as claimed in claim 1, wherein: The silk thread layer (7) is composed of fiber silk threads interlaced and woven, and the silk thread layer (7) is adhered to the top of the paper base layer (2) by glue.

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