Wood flour putty and preparation process thereof

A wood powder and putty technology, applied in filling slurry and other directions, can solve the problems of high product repair rate, poor water resistance and adhesion, and increase the difficulty of repairing, so as to achieve no agglomeration in appearance and consistency, improve Anti-corrosion, similar color effect

Inactive Publication Date: 2007-05-16
山东堡珍家居板材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the commonly used putty in repairing materials is mainly water-based calcium carbonate putty, which has poor water resistance and adhesion. The adhesion between the material and the material will further decrease in a humid environment, and the result is easy to crack and fall off. When used to repair materials such as door and window frames, it obviously affects the quality of the building
In particular, the exported architectural decoration products such as fir, pine and other materials such as solid wood doors are usually painted with these putties, painted, loaded into containers, and transported to the United States or Canada after long-distance sea transportation. The products have problems such as cracks in the joints and around the joints, partial paint peeling off, etc. In severe cases, the joints fall off, which increases the difficulty of repair and leads to a high repair rate of the product

Method used

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  • Wood flour putty and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Sawdust, shavings, and scraps of birch, oak, maple, etc. are crushed into coarse wood powder of about 100 mesh through a crusher, and the coarse wood powder is dried to a moisture content of less than 10%. (Type 700 (water-cooled) Samsung ultra-fine ring air wood powder machine, Zhengzhou Samsung Machinery Manufacturing Co., Ltd.) is finely pulverized until 60% to 80% of the fineness is distributed in 500 to 600 mesh ultrafine wood powder.

[0048] Mix 1000 grams of white latex with 350 grams of the obtained superfine wood powder, then add 20 grams of chlorothalonil antifungal agent, 30 grams of adjusted normal temperature curing epoxy resin glue (618 epoxy glue and 593 curing agent, according to the ratio of 100 parts of epoxy glue to 15 parts of curing agent, mix thoroughly, as the curing agent of wood flour putty), and 50 grams of maltodextrin (Hebei Huachen Starch Sugar Co., Ltd.), fully stir, so that each group Mix evenly to obtain an organic ultra-fine wood powder...

Embodiment 2

[0051] Sawdust, shavings and scraps of poplar, Chinese fir, pine etc. (single or mixed material) are pulverized into coarse wood powder of about 100 orders by pulverizer, and in this coarse wood powder of 100 parts by weight, add wherein total concentration 10 % to 15% water-soluble urea-formaldehyde glue (or melamine glue or phenolic glue, etc.) treatment solution 20 parts by weight; adopt the method of mixing glue to stir evenly, then dry the coarse wood powder to a moisture content of less than 10%, and use mechanical-air flow Choose pulverizer (type 700 (water-cooled) Samsung ultra-fine ring wind wood flour machine, Zhengzhou Samsung Machinery Manufacturing Co., Ltd.) to carry out fine pulverization until the fineness of 60%~80% is distributed in 500~600 mesh superfine wood powder.

[0052] Mix 1000 grams of white latex with 300 grams of the obtained superfine wood powder, then add 20 grams of ACQ antifungal agent (purchased by Aoqi International Trade Co., Ltd.), 20 grams ...

Embodiment 3

[0055] Adopt wood powder putty of the present invention to carry out export fir door frame primer factory production test in Zhejiang Shuntai Wood Industry Co., Ltd. Calcium carbonate putty was used to carry out the comparison test of fir door frame under the same process conditions.

[0056] 100 kilograms of white latex (Beijing Chemical Industry No. 2 Factory), add 30 kilograms of superfine wood powder (fir, pine mixed wood flour), 2 kilograms of ACQ antifungal agent (purchased by Aoqi International Trade Co., Ltd.), 5 kilograms of maltodextrin ( Hebei Huachen Starch Sugar Co., Ltd.), fully stirred, so that each component was mixed uniformly to obtain an organic ultra-fine wood flour putty (see Example 2).

[0057] Using a screw feeding extruder, the thickness of the coating is controlled at 0.8mm, evenly painted, dried in a fourdrinier dryer (temperature 65°C, time 8-10 minutes), and then aged at room temperature for 24 hours, surface sanding, painting, etc. process. Comp...

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Abstract

The invention discloses wood powder putty and preparing method, which comprises the following parts: 100% white emulsion, 15-40% wood powder, 1-3% anti-fungus agent, 1-3% curing agent, wherein the fineness of wood powder is 300-1000 order. The putty possesses excellent painting effect, which is superior to calcium carbonate putty. The invention also provides wooden wares and manufacturing method with the wood powder putty.

Description

technical field [0001] The invention relates to a wood powder putty and a preparation method thereof, in particular to a wood powder putty which can be used for wood primer and a preparation method thereof. Background technique [0002] my country is a country with relatively scarce forest resources. With the reduction of forest resources worldwide and the implementation of my country's "Natural Forest Protection Project", the contradiction between the supply and demand of the original timber and its products has become increasingly prominent. The plantation of large-scale artificial fast-growing forests (fir, slash pine, poplar, paulownia, eucalyptus, acacia, etc.) is to alleviate the increasingly tense situation of timber resources. Due to the short growth cycle, low density, and loose tissue structure of these plantation woods, especially some woods with small diameters, there are many new problems in the process of processing and utilization. In addition to poor stabili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34
Inventor 刘君良叶克林黄培伟王洪达
Owner 山东堡珍家居板材有限公司
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