CN103331787B - A kind of ecological formaldehyde-free decorative plywood - Google Patents
A kind of ecological formaldehyde-free decorative plywood Download PDFInfo
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- CN103331787B CN103331787B CN201310240911.7A CN201310240911A CN103331787B CN 103331787 B CN103331787 B CN 103331787B CN 201310240911 A CN201310240911 A CN 201310240911A CN 103331787 B CN103331787 B CN 103331787B
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- modified starch
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- plywood
- veneer
- starch adhesive
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- Veneer Processing And Manufacture Of Plywood (AREA)
Abstract
The invention discloses a kind of ecological formaldehyde-free decorative plywood, its procedure of processing first make use of the modified starch emulsion without aldehyde, again by the different requirements of different phase in plywood production process, tackifier, filler, reinforcing agent is added in different ratios, carry out the modulation of modified starch adhesive, through the making of substrate, after these two steps of the veneer of fancy veneer, finally obtain the fancy plywood without aldehyde ecological, environmental protective.Fundamentally eliminate the hidden danger of original fancy plywood release formaldehyde, improve the quality of life of people, ensure the physical and mental health of people.
Description
Technical field
The present invention relates to a kind of glued board, particularly a kind of ecological formaldehyde-free decorative plywood.
Background technology
All the time, fancy plywood is the main material of architecture indoor finishing, furniture making etc.Product sold is mainly produced with urea-formaldehyde resin adhesive in the market, and the fancy plywood produced thus can discharge the formaldehyde material be harmful to the person, living environment.There is enforceable standard (GB18580) in country to product sold, and its burst size of methanal must reach the requirement of regulation.For reaching standard-required, manufacturing enterprise is used and is produced by the urea-formaldehyde resin adhesive of modification, the burst size of methanal of product is greatly reduced, but this measure can not eliminate the release of formaldehyde completely, when relatively large use, the formaldehyde of release is still comparatively serious to the pollution of indoor environment.And, the formaldehyde of urea-formaldehyde resin adhesive release, be not only the release of the free formaldehyde contained itself, Lauxite is also had to decomposite formaldehyde and to discharge, because it is a reversible chemical reaction that urea and formolite reaction generate Lauxite, constantly Form aldehyde release can be had within the longer time.。
In line with the quality of life improving people, ensure the physical and mental health of people, fundamentally eliminate this hidden danger of fancy plywood release formaldehyde, we have applied for patent of invention: " a kind of preparation method's (patent No.: ZL201010171082.8) of modified starch adhesive for timber ", and actual according to plywood production, carry out the technological development of producing fancy plywood with modified starch adhesive.Utilize the modified starch adhesive that this patented technology makes, itself is not containing formaldehyde and use cost, gluing technique are close with modified urea-formaldehyde resin again.
Summary of the invention
Instant invention overcomes above-mentioned the deficiencies in the prior art, provide a kind of modified starch adhesive and produce the fancy plywood of ecological, environmental protective without aldehyde.
Technical scheme of the present invention is achieved in that
A kind of ecological formaldehyde-free decorative plywood, is characterized in that adopting and prepares with the following method:
One, the making of substrate: by log by producing material, rotary-cut, cut the veneer made and need specification breadth and thickness, carry out cloth glue with the modified starch adhesive modulated after drying, health, and then after precompressed, hot pressing, sanding, these technical process of saw limit, namely obtain substrate;
The allocation ratio of modified starch adhesive is:
Modified starch emulsion 100 parts;
Tackifier 40 parts; Tackifier are polyvinyl chloride, polyvinyl acetate;
Filler 40 parts; Filler is flour, precipitated calcium carbonate;
Reinforcing agent 26 parts; Reinforcing agent is polyisocyanates performed polymer;
The process conditions of jigsaw gummed are:
Two, the veneer of fancy veneer: substrate after the modified starch adhesive that masking agent process, drying, brushing modulate, then is repaired through assembly, precompressed, cut edge with fancy veneer, hot pressing, after sanding process, namely obtain fancy plywood.Wherein the modulation of modified starch adhesive and the multiple subsides process conditions of fancy veneer as follows::
The configuration proportion of modified starch adhesive:
Modified starch emulsion 100 parts;
Tackifier 40 parts; Tackifier are polyvinyl chloride, polyvinyl acetate;
Filler 45 parts; Filler is flour, precipitated calcium carbonate;
Reinforcing agent 20 parts; Reinforcing agent is polyisocyanates performed polymer;
Process control process conditions:
Fancy plywood is obtained by above-mentioned technological process, process conditions.
Have employed the invention has the beneficial effects as follows of technique scheme:
Present invention utilizes the modified starch emulsion without aldehyde, again by the different requirements of different phase in plywood production process, add tackifier, filler, reinforcing agent in different ratios, carry out the modulation of modified starch adhesive, finally obtain the glued board without aldehyde ecological, environmental protective.
Detailed description of the invention
The specific embodiment of the present invention is as follows:
Embodiment: a kind of ecological formaldehyde-free decorative plywood, is characterized in that adopting and prepares with the following method:
One, the making of substrate: by log by producing material, rotary-cut, cut the veneer made and need specification breadth and thickness, carry out cloth glue with the modified starch adhesive modulated after drying, health, and then after precompressed, hot pressing, sanding, these technical process of saw limit, namely obtain substrate;
The allocation ratio of modified starch adhesive is:
Modified starch emulsion 100 parts;
Tackifier 40 parts; Tackifier are polyvinyl chloride, polyvinyl acetate;
Filler 40 parts; Filler is flour, precipitated calcium carbonate;
Reinforcing agent 26 parts; Reinforcing agent is polyisocyanates performed polymer;
The process conditions of jigsaw gummed are:
Two, the veneer of fancy veneer is that selected fancy veneer is attached on substrate again, in the production of reality, because the log producing fancy veneer is precious timber, price is higher, considers from the utilization rate of cost and timber, and the thickness of fancy veneer is generally at below 0.2mm, for ensureing the effect of decoration, need to give multiple subsides again after brushing masking agent on substrate; Masking agent is water paint.The veneer of fancy veneer: substrate after the modified starch adhesive that masking agent process, drying, brushing modulate, then is repaired through assembly, precompressed, cut edge with fancy veneer, hot pressing, after sanding process, namely obtain fancy plywood.Wherein the modulation of modified starch adhesive and the multiple subsides process conditions of fancy veneer as follows::
The configuration proportion of modified starch adhesive:
Modified starch emulsion 100 parts;
Tackifier 40 parts; Tackifier are polyvinyl chloride, polyvinyl acetate;
Filler 45 parts; Filler is flour, precipitated calcium carbonate;
Reinforcing agent 20 parts; Reinforcing agent is polyisocyanates performed polymer;
Process control process conditions:
Fancy plywood is obtained by above-mentioned technological process, process conditions.Detect its physical and mechanical property by GB/T15104-2006 standard-required, result is as table 1.
Table 1
As can be known from Table 1, manufacture fancy plywood with modified starch adhesive, its physical and mechanical property complies with the national standard requirements completely, and burst size of methanal only has 0.05mg/l, is only the amount that timber itself discharges.
Claims (1)
1. an ecological formaldehyde-free decorative plywood, is characterized in that adopting and prepares with the following method:
One, the making of substrate: by log by producing material, rotary-cut, cut the veneer made and need specification breadth and thickness, carry out cloth glue with the modified starch adhesive modulated after drying, health, and then after precompressed, hot pressing, sanding, these technical process of saw limit, namely obtain substrate;
The allocation ratio of modified starch adhesive is:
The process conditions of jigsaw gummed are:
Two, the veneer of fancy veneer: substrate after the modified starch adhesive that masking agent process, drying, brushing modulate, then is repaired through assembly, precompressed, cut edge with fancy veneer, hot pressing, after sanding process, namely obtain fancy plywood; Wherein the modulation of modified starch adhesive and the multiple subsides process conditions of fancy veneer as follows:
The configuration proportion of modified starch adhesive:
Process control process conditions:
Fancy plywood is obtained by above-mentioned technological process, process conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310240911.7A CN103331787B (en) | 2013-06-15 | 2013-06-15 | A kind of ecological formaldehyde-free decorative plywood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310240911.7A CN103331787B (en) | 2013-06-15 | 2013-06-15 | A kind of ecological formaldehyde-free decorative plywood |
Publications (2)
| Publication Number | Publication Date |
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| CN103331787A CN103331787A (en) | 2013-10-02 |
| CN103331787B true CN103331787B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310240911.7A Active CN103331787B (en) | 2013-06-15 | 2013-06-15 | A kind of ecological formaldehyde-free decorative plywood |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878833B (en) * | 2014-03-27 | 2016-06-08 | 浙江升华云峰新材股份有限公司 | The manufacture method of a kind of bamboo fancy veneer of recombinating |
| CN104526789B (en) * | 2014-12-28 | 2016-08-24 | 浙江升华云峰新材股份有限公司 | A kind of production technology of melamine ecological plate |
| CN108045037A (en) * | 2017-12-08 | 2018-05-18 | 德华兔宝宝装饰新材股份有限公司 | High durable type green recombinant decorative veneer and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3908725A (en) * | 1974-02-01 | 1975-09-30 | Us Agriculture | Method for producing parallel laminated pine lumber from veneer |
| FI832401L (en) * | 1983-06-30 | 1984-12-31 | Valtion Teknillinen | FOERFARANDE FOER FRAMSTAELLNING OCH BELAEGGNING AV SKIVFORMIGA STYCKEN. |
| CN101367219A (en) * | 2008-07-10 | 2009-02-18 | 德华兔宝宝装饰新材股份有限公司 | Method for manufacturing EO-grade flame-proof, abrasion-proof, mildew resistant and moisture-proof veneer overlay wood veneer |
| CN101456196B (en) * | 2008-08-28 | 2011-11-16 | 国家林业局北京林业机械研究所 | Lumber-core board and manufacture method thereof |
| CN101831255B (en) * | 2010-05-12 | 2011-08-17 | 浙江升华云峰新材股份有限公司 | Method for preparing modified starch adhesive for timber |
| CN102345366A (en) * | 2010-08-06 | 2012-02-08 | 上海昱龄环保科技有限公司 | Production process of formaldehydeless three-layer solid-wood composite floor |
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