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Special filler for plywood glue

A filler and plywood technology, applied in the direction of adhesive additives, polymer adhesive additives, non-polymer adhesive additives, etc., can solve the problem of high cost of protein blood meal, poor color of fillers, poor water resistance of fillers, etc. problem, to achieve the effect of enhanced water resistance, low cost, and simple preparation process

Active Publication Date: 2015-06-17
承德隆宏生物科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned prior art has the problems of high cost of protein blood meal, poor color of the filler, water glass (sodium sodium) is not allowed to be used as a carton according to the requirements, and the water resistance of the filler itself is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The special filler for plywood glue is prepared by mixing the following components in parts by mass evenly:

[0019] Pine bark powder 250 Rice husk powder or peanut husk powder 150 Clay or quartz powder 120 Expanded corn starch 350 Sweet potato seedling powder or sweet potato powder residue 100 Powdered preservative 18 Bacillus 5.

[0020] The particle size of pine bark powder, rice hull powder or peanut shell powder, sweet potato seedling powder or sweet potato powder residue is 120 mesh, the particle size of bar clay or quartz powder is 325 mesh, and the particle size of expanded corn starch is 200 mesh.

[0021] The powdered preservative uses sodium benzoate.

Embodiment 2

[0023] The special filler for plywood glue is prepared by mixing the following components in parts by mass evenly:

[0024] Pine bark powder 350 Rice husk powder or peanut husk powder 300 Clay or quartz powder 200 Expanded corn starch 400 Sweet potato seedling powder or sweet potato powder residue 180 Powdered preservative 35 Bacillus 15.

[0025] The particle size of pine bark powder, rice husk powder or peanut shell powder, sweet potato seedling powder or sweet potato powder slag is 150 mesh, the particle size of bar clay or quartz powder is 350 mesh, and the particle size of expanded corn starch is 250 mesh.

[0026] The powdered preservative uses sodium benzoate.

Embodiment 3

[0028] The special filler for plywood glue is prepared by mixing the following components in parts by mass evenly:

[0029] Pine bark powder 300 Rice husk powder or peanut husk powder 250 Clay or quartz powder 160 Expanded corn starch 380 Sweet potato seedling powder or sweet potato powder residue 150 Powdered preservative 28 Bacillus 8.

[0030] The particle size of pine bark powder, rice husk powder or peanut shell powder, sweet potato seedling powder or sweet potato powder residue is 120 mesh, the particle size of bar clay or quartz powder is 325 mesh, and the particle size of expanded corn starch is 200 mesh.

[0031] The powdered preservative uses sodium benzoate.

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Abstract

The invention belongs to production of plywood and particularly relates to a special filler for plywood glue. The special filler is prepared by uniformly mixing effective dosages of pine bark powder, rice hull powder or peanut shell powder, attapulgite or quartz powder, puffed corn starch, sweet potato seedling powder or sweet potato flour residue, powdery preservative and Junbiqing, and the problems of high cost, bad color and bad water resistance in the prior art are solved in the invention. The special filler for plywood glue has the advantages of wide raw material source, reasonable compatibility, low cost and capability of removing formaldehyde and reinforcing water resistance of plywood, and the like.

Description

technical field [0001] The invention belongs to the production of plywood, in particular to a special filler for plywood glue. Background technique [0002] At present, in the process of making blockboard, plywood, and plywood for building formwork in our country's wood-based panel factories, the glue must be adjusted first. The so-called glue adjustment is to add a large amount of filler to the urea-formaldehyde glue to achieve thickening and facilitate the veneer. The purpose of gluing. At present, the main material used as filler is wheat flour. The amount of flour added is mainly determined according to the quality of the glue (mainly refers to the water content). Generally, the amount of flour added per ton of glue is between 30% and 40%. [0003] Publication No. 1820914 discloses a high-efficiency filler for plywood, which is a powder made by mixing organic and inorganic minerals such as wood powder, protein blood powder, etc., and is made of organic bentonite, inorga...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J11/08C09J11/06C09J11/04
Inventor 张贵清魏国栋
Owner 承德隆宏生物科技有限公司
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