WO2016197931A1

WO2016197931A1 - Compressed sponge product and manufacturing method therefor

Info

Publication number: WO2016197931A1
Application number: PCT/CN2016/085196
Authority: WO
Inventors: 董成勇
Original assignee: 宁波尼可海绵科技有限公司
Priority date: 2015-06-11
Filing date: 2016-06-08
Publication date: 2016-12-15
Also published as: CN104921675A

Abstract

A compressed sponge product and a manufacturing method therefor. The compressed sponge product comprises a blocky sponge body with a moisture content of lower than 3% that is produced by using wood pulp and/or bamboo pulp as raw materials through processes of dipping, squeezing, yellowing, gluing, and foaming molding. The blocky sponge is placed into a die cavity of a hot press and compressed into a square sponge product with a thickness of 5 mm to 15 mm. The square sponge product is a rectangular sponge product, the outside of the rectangular sponge product is wrapped by a sealed packaging layer in a vacuum manner, and regular or irregular shallow strip-type concave and convex groove grains are formed on the upper and lower surfaces of the rectangular sponge product. The manufacturing method comprises: washing treatment of the blocky sponge body, comprising at least three processes: washing with a weak salt, acid washing for neutralization, and bleaching washing with a decolorizer. After low-temperature drying, the block-shaped sponge body is placed into the die cavity of the hot press and pressed into a thin sponge product.

Description

Description: A compressed sponge product and a manufacturing method thereof

[0001] The present invention relates to a degradable compressed sponge product mainly made of wood cellulose and a manufacturing method thereof

, belongs to the field of sponge products and preparation technology.

Background technique

[0002] Sponge, a porous material, has good water absorption and can be used for cleaning articles. Commonly used sponges include: wood foam fibers or two sponge products made of a foamed plastic polymer. Because the foam made of foamed plastic polymer has low cost, wide application and good water absorption, it is widely used in various industries, especially those made of common sponge mops, and used as a household cleaning tool; The sponge product made of polymer material has certain environmental pollution and cannot be degraded and regenerated; and after long-term use, it is easy to deteriorate, harden and reduce the service life.

technical problem

[0003] With the improvement of people's living standards, people are increasingly pursuing environmentally-friendly daily necessities. Therefore, when people are more and more aware of the environmental pollution caused by the foaming of polymer materials and the impact on the human body, Pulp and/or bamboo pulp raw materials, and the use of their wood cellulose to form a degradable environmentally friendly sponge product by foaming process has received increasing attention; although such sponge products made of wood cellulose fibers exist The raw material cost is high, the production process is relatively complicated, etc., but because it is made of environmentally-friendly materials, it has little impact on the environment, can be regenerated and has no environmental pollution, and has a long service life. Therefore, the general high-end living appliances still use this more. Kind of sponge product.

[0004] In Chinese patent ZL201010275805, 9 is a bamboo pulp sponge product, which is mainly made by soaking, pressing, yellowing, viscose, foam molding, etc., because the sponge product is a block-like The foamed product is fluffy, bulky, and light in weight. It is easy to breed bacteria in a long sponge, so it is inconvenient to use and store.

Problem solution

Technical solution

[0005] The object of the present invention is to overcome the deficiencies of the prior art and provide a simple structure and fabrication. Convenient, widely used, easy to promote, and easy to store and transport, reduce costs, degradable environmentally friendly compressed sponge products and production methods.

[0006] The object of the present invention is achieved by the following technical solution, the compressed sponge product comprising a wood pulp and/or bamboo pulp as a raw material, by soaking, pressing, yellowing, sticking The process of glue, foam molding and the like is to form a massive sponge having a water content of less than 3%. The block sponge is placed in a cavity of a hot press and pressed into a square sponge having a thickness of 5-15 mm. .

[0007] The square sponge product is a rectangular sponge product, the outer surface of the rectangular sponge product is vacuum-coated with a sealing packaging layer, and the upper and lower surfaces of the square sponge product are formed with regular or irregular shallow strip-shaped concave and convex grooves. Pattern.

[0008] The preparation method comprises a water-washing treatment of the bulk sponge, after foaming and cutting into a massive sponge, at least after three steps of weak salt washing, neutralization pickling and bleaching with bleaching agent. Then, after being dried at a low temperature, it is placed in a cavity of a hot press, and pressed at a temperature lower than 80 ° C under a pressure of 10 -15 MPa for at least 5 minutes to form the thin sponge product.

[0009] The thin sponge product is coated on a vacuum film packaging machine with a sealed packaging layer on the outside, and the sealed packaging layer is a plastic film or a wrapping paper coated with a film layer.

Advantageous effects of the invention

Beneficial effect

[0010] The invention has the advantages of simple structure, convenient manufacture, wide application, convenient promotion, and convenient storage and transportation.

, reducing costs, degradable environmental protection and other characteristics.

Brief description of the drawing

DRAWINGS

1 is a schematic perspective view showing the structural composition of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

[0012] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Fig. 1 shows a compressed sponge product according to the present invention, which comprises a wood pulp and/or bamboo pulp as a raw material. a lump sponge 1 having a water content of less than 3% by a process such as immersion, pressing, yellowing, viscose, foam molding, or the like, The block sponge is placed in the cavity of a hot press and pressed into a square sponge mouth P with a thickness of 5-15 mm.

Π丄⁰

[0013] As shown in the figure, the square sponge product is a rectangular sponge product 1, and the outer surface of the rectangular sponge product is vacuum-coated with a sealing packaging layer 2, and the upper and lower surfaces of the square sponge product are formed with regular or not. Regular shallow strips of concave and convex flutes 3.

[0014] A method for preparing a compressed sponge product as described above, wherein the manufacturing method comprises a water washing treatment of a massive sponge, which is at least subjected to weak salt washing and neutralization after being foamed and cut into a massive sponge. Pickling and bleaching with bleaching three steps, then drying by low temperature, placed in a cavity of a hot press, at a temperature below 80 ° C, 10-15 Mpa, after at least 5 minutes of hot pressing , pressed into the thin sponge product.

[0015] The thin sponge product of the present invention is coated on a vacuum film packaging machine with a sealing packaging layer on the outside, and the sealed packaging layer is a plastic film or a wrapping paper coated with a film layer.

Claims

Claim

A compressed sponge product comprising a wood pulp and/or bamboo pulp as a raw material, and having a water content of less than 3% by immersion, pressing, yellowing, viscose, foam molding, and the like The sponge body is characterized in that the block sponge is placed in a cavity of a hot press and pressed into a square sponge having a thickness of 5-15 mm.

The compressed sponge product according to claim 1, wherein the square sponge product is a rectangular sponge product, and the outer surface of the rectangular sponge product is vacuum-coated with a sealing packaging layer, and upper and lower surfaces of the square sponge product are formed. Regular or irregular shallow strips of concave and convex grooves.

A method for producing a compressed sponge product according to claim 1 or 2, wherein the manufacturing method comprises a water washing treatment of the massive sponge, which is at least weak after being foamed and cut into a massive sponge. Salt washing, neutralization and pickling, and bleaching with bleaching, three steps, and then dried by low temperature, placed in a cavity of a hot press, at a temperature below 80 ° C, 10_15 Mpa, after at least The hot sponge was pressed for 5 minutes to form the thin sponge product.

The method for manufacturing a compressed sponge article according to claim 3, wherein the thin sponge product is coated on a vacuum film packaging machine with a sealed packaging layer on the outside, and the sealed packaging layer is a plastic Film or wrapper coated with a film layer.