CN103481599B - A kind of flexible decoration veneer - Google Patents
A kind of flexible decoration veneer Download PDFInfo
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- CN103481599B CN103481599B CN201310385536.5A CN201310385536A CN103481599B CN 103481599 B CN103481599 B CN 103481599B CN 201310385536 A CN201310385536 A CN 201310385536A CN 103481599 B CN103481599 B CN 103481599B
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Abstract
The present invention relates to a kind of flexible decoration veneer, preparation method is as follows: a, veneer arrange; B, impregnation; C, applying glue; D, reel; E, cutting; F, combination of mating formation; G, hot pressing; H, cutting edge grade packing.The present invention has following beneficial effect: 1, the present invention has rapid surface drying, adhesive strength feature that is high, not easily strike-through; 2, the invention solves in flexible decoration veneer manufacture process, problem easily bonding mutually during non-woven fabrics reel after applying glue; 3, this invention also solves strike-through problem, ensure the attractive in appearance of flexible decoration veneer.
Description
Technical field
The invention belongs to wood working industry, particularly relate to a kind of flexible decoration veneer.
Background technology
General natural veneer or recombinant decorative veneer, especially micro veneer are all more crisp, flexible not enough, easy to crack, are not suitable for the decoration in special type structure face.Flexible decoration veneer be natural veneer or recombinant decorative veneer back side compound paste the reinforcing material such as non-woven fabrics or brown paper can coiling, the good decorative veneer of pliability.So both enhance the pliability of recombinant decorative veneer, turn increase the integral thickness of product, save timber resources.This veneer can be used for all kinds of special-shaped curved decorative faced, is also applicable to the facing in basse-taille face, has widened the range of application of traditional veneer.
The hot press that prior art wood working industry is conventional is multidaylight press, and non-woven fabrics is the drum of cloth, therefore need nonwoven fabric roll tubular to launch, and cut into sheet according to the length of veneer, then plywood production technology conveniently carries out applying glue, stickup, cold-hot pressure.Due to non-woven fabrics carry out roller applying glue time, can involve in cloth glue machine, cannot normally applying glue, therefore, someone adopts glue spraying mode to carry out applying glue, as scientific and technical literature: " research of Process of Making Soft Artificial Decorative Veneer ", Li Niancun, Xiang Qin, Yang Canming, Zhongnan Forestry Inst.'s journal, in June, 2000, the 20th volume the 2nd phase.
Above-mentioned document adopts solid content to be 55%(mass fraction) modified urea-formaldehyde resin glue be adhesive, and adopt the mode of glue spraying to carry out applying glue, there is adhesive cost high, need the technique changing conventional roller coat applying glue, the defects such as operation requirements is high, easy strike-through.
For this reason, under the prerequisite not changing resin application methods, adopt and the mode of non-woven fabrics continuous sizing is carried out applying glue, namely first non-woven fabrics is launched, by the outlet reel again at cloth glue machine after roller applying glue, thus non-woven fabrics is strained exceptionally straight, avoid involving in cloth glue machine.
Above-mentioned technique involves in the problem of cloth glue machine when solving non-woven fabrics applying glue, but during non-woven fabrics reel after applying glue, adhesive can solidify, and makes non-woven fabrics mutually bonding, can not again launch to cut into sheet, can not enter next process.Therefore, in the urgent need to a kind of energy surface drying rapidly, but the adhesive of final adhesive strength is not affected.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of flexible decoration veneer, the method adopts a kind of adhesive, and this adhesive has rapid surface drying, adhesive strength feature that is high, not easily strike-through, ensures the attractive in appearance of flexible decoration veneer.
In order to realize above-mentioned object, present invention employs following technical scheme:
A kind of flexible decoration veneer, the method comprises the following steps:
A, veneer arrange: first grade to decorative veneer, sorting;
B, impregnation: urine glue, white glue, flour, lignin, cationic surfactant are mixed in mass ratio, its quality proportioning is: urine glue: white glue: flour: lignin: cationic surfactant=100:(40 ~ 60): (5 ~ 15): (5 ~ 15): (0.1 ~ 0.5); Stir 10 ~ 20 minutes;
C, applying glue: carry out cylinder applying glue to non-woven fabrics or brown paper, resin added controls at 30 ~ 50g/m
2;
D, reel: the non-woven fabrics of applying glue or brown paper are rolled into tubular, are convenient to cutting;
E, cutting: the non-woven fabrics of reel or brown paper are cut into Len req specification;
F, combination of mating formation: the non-woven fabrics cut or brown paper and decorative veneer are mated formation and is combined into slab;
G, hot pressing: above-mentioned slab is sent into hot press and carries out hot pressing, obtain semi-finished product;
H, cutting edge grade packing: above-mentioned semi-finished product are carried out cutting edge, and grades by its presentation quality, obtain this product, and packaging and warehousing.
As preferably, described urine glue: white glue: flour: lignin: cationic surfactant=100:(40 ~ 50): (5 ~ 10): (5 ~ 10): (0.1 ~ 0.2).
As preferably, described urine glue: white glue: flour: lignin: cationic surfactant=100:40:5:5:0.1.
As preferably, described urine glue: white glue: flour: lignin: cationic surfactant=100:(50 ~ 60): (10 ~ 15): (10 ~ 15): (0.2 ~ 0.5).
As preferably, described urine glue: white glue: flour: lignin: cationic surfactant=100:60:15:15:0.5.
As preferably, described described cationic surfactant is DTAC or cetalkonium chloride.
As preferably, during described hot pressing, temperature is 90 ~ 130 DEG C, and the time is 30 ~ 120s, and pressure is 0.7Mpa ~ 1.1Mpa.
The present invention is owing to have employed above-mentioned technical scheme, in the employing adhesive adopted, lignin replaces part flour, can not only reduce the use amount of flour, reduces production cost, and the part free formaldehyde that can absorb in adhesive, reduce the burst size of methanal of flexible decoration veneer further.The features such as it is good that cationic surfactant has chemical stability, heat-resisting, fast light, withstand voltage, strong alkali-acid resistance, also have the performances such as excellent permeability, emulsibility, flexibility, antistatic behaviour and sterilization.The interpolation of cationic surfactant, the glue-line of flexible decoration veneer can not only be made to have certain pliability, reduce the fragility of glue-line, avoid flexible decoration veneer breakage in use, and flexible decoration veneer can also be made to have mildew-resistant, corrosion-resistant function, extend the service life of product.Adopt above-mentioned adhesive ratio, and resin added controls at 30 ~ 50g/m
2, on non-woven fabrics, easy surface drying rapidly after applying glue, can execute the non-woven fabrics reel after glue and not be glued together, conveniently enter next step operation; Meanwhile, after hot-forming, glue neither infiltrates into recombinant decorative veneer upper surface, also impermeable to non-woven fabrics lower surface, does not affect product appearance quality.The present invention adopts rational adhesive ratio and resin added, easily bonding mutually when solving the non-woven fabrics reel after applying glue, and the strike-through problem of hot-forming rear product surface.
Adopt the obtained product of invention adhesive to be up to state standards II class dipping and stripping test requirements document, through (63 ± 3) DEG C Hot water immersion 3h after, be placed in the dry 3h of (63 ± 3) DEG C drying box, glue-line is without peeling off and lamination.
In sum, the present invention has following beneficial effect:
1, the present invention has rapid surface drying, adhesive strength feature that is high, not easily strike-through;
2, the invention solves in flexible decoration veneer manufacture process, problem easily bonding mutually during non-woven fabrics reel after applying glue;
3, this invention also solves strike-through problem, ensure the attractive in appearance of flexible decoration veneer.
Detailed description of the invention
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this description, as long as but be all subject to the protection of Patent Law in right of the present invention.
embodiment 1
A kind of adhesive for the manufacture of flexible decoration veneer, this adhesive by urinating glue, white glue, flour, lignin, cationic surfactant Homogeneous phase mixing form, bonding strength is affected because adhesive is subject to variation of ambient temperature, therefore, in actual use, adhesive ratio should be regulated with seasonal variations.As: in summer, temperature is higher, and adhesive solidification is very fast, and employing quality proportioning is: urine glue: white glue: flour: lignin: cationic surfactant=100:40:5:5:0.1; And winter temperature is lower, adhesive solidification is comparatively slow, then employing quality proportioning is: urine glue: white glue: flour: lignin: cationic surfactant=100:60:15:15:0.5.Above-mentioned cationic surfactant is DTAC or cetalkonium chloride.
embodiment 2
Use the operation of the adhesive manufacturing flexible decorative veneer described in the embodiment of the present invention 1 as follows:
A, veneer arrange: first grade to decorative veneer, sorting;
B, impregnation: urine glue, white glue, flour, lignin, cationic surfactant are mixed in mass ratio, stir 10 ~ 20 minutes;
C, applying glue: carry out cylinder applying glue to non-woven fabrics, resin added controls at 30 ~ 50g/m
2;
D, reel: the non-woven fabrics of applying glue is rolled into tubular, is convenient to cutting;
E, cutting: the non-woven fabrics of reel is cut into Len req specification;
F, combination of mating formation: the non-woven fabrics cut and decorative veneer are mated formation and is combined into slab;
G, hot pressing: above-mentioned slab is sent into hot press and carries out hot pressing, obtain semi-finished product, during described hot pressing, temperature is 90 ~ 130 DEG C, and the time is 30 ~ 120s, and pressure is 0.7Mpa ~ 1.1Mpa;
H, cutting edge grade packing: above-mentioned semi-finished product are carried out cutting edge, and grades by its presentation quality, obtain this product, and packaging and warehousing.
Adopt the obtained product of invention adhesive to be up to state standards II class dipping and stripping test requirements document, through (63 ± 3) DEG C Hot water immersion 3h after, be placed in the dry 3h of (63 ± 3) DEG C drying box, glue-line is without peeling off and lamination.
embodiment 3
Use the operation of the adhesive manufacturing flexible decorative veneer described in the embodiment of the present invention 1 as follows:
A, veneer arrange: first grade to decorative veneer, sorting;
B, impregnation: urine glue, white glue, flour, lignin, cationic surfactant are mixed in mass ratio, stir 10 ~ 20 minutes;
C, applying glue: carry out cylinder applying glue to brown paper, resin added controls at 30 ~ 50g/m
2;
D, reel: the brown paper of applying glue is rolled into tubular, is convenient to cutting;
E, cutting: the brown paper of reel is cut into Len req specification;
F, combination of mating formation: the brown paper cut and decorative veneer are mated formation and is combined into slab;
G, hot pressing: above-mentioned slab is sent into hot press and carries out hot pressing, obtain semi-finished product, during described hot pressing, temperature is 90 ~ 130 DEG C, and the time is 30 ~ 120s, and pressure is 0.7Mpa ~ 1.1Mpa;
H, cutting edge grade packing: above-mentioned semi-finished product are carried out cutting edge, and grades by its presentation quality, obtain this product, and packaging and warehousing.
Adopt the obtained product of invention adhesive to be up to state standards II class dipping and stripping test requirements document, through (63 ± 3) DEG C Hot water immersion 3h after, be placed in the dry 3h of (63 ± 3) DEG C drying box, glue-line is without peeling off and lamination.
Claims (1)
1. a flexible decoration veneer, the preparation method of this flexible decoration veneer comprises the following steps:
A, veneer arrange: first grade to decorative veneer, sorting;
B, impregnation: urine glue, white glue, flour, lignin, cationic surfactant are mixed in mass ratio, its quality proportioning is: summer, urine glue: white glue: flour: lignin: cationic surfactant=100:40:5:5:0.1; Winter, urine glue: white glue: flour: lignin: cationic surfactant=100:60:15:15:0.5; Stir 10-20 minute; Described cationic surfactant is DTAC or cetalkonium chloride;
C, applying glue: carry out cylinder applying glue to non-woven fabrics or brown paper, resin added controls at 30-50g/m
2;
D, reel: the non-woven fabrics of applying glue or brown paper are rolled into tubular, are convenient to cutting;
E, cutting: the non-woven fabrics of reel or brown paper are cut into Len req specification;
F, combination of mating formation: the non-woven fabrics cut or brown paper and decorative veneer are mated formation and is combined into slab;
G, hot pressing: above-mentioned slab is sent into hot press and carries out hot pressing, obtain semi-finished product;
H, cutting edge grade packing: above-mentioned semi-finished product are carried out cutting edge, and grades by its presentation quality, obtain this product, and packaging and warehousing;
The product adopting above step obtained is up to state standards II class dipping and stripping test requirements document, and through (63 ± 3) DEG C Hot water immersion 3h after, be placed in the dry 3h of (63 ± 3) DEG C drying box, glue-line is without peeling off and lamination.
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|---|---|---|---|
| CN201310385536.5A CN103481599B (en) | 2013-08-30 | 2013-08-30 | A kind of flexible decoration veneer |
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| CN201310385536.5A CN103481599B (en) | 2013-08-30 | 2013-08-30 | A kind of flexible decoration veneer |
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| CN103481599B true CN103481599B (en) | 2015-08-19 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069509A (en) * | 1991-08-15 | 1993-03-03 | 鞠纯衡 | Lignin modified uric-aldehyde resin and production method thereof |
| CN100387411C (en) * | 2006-01-23 | 2008-05-14 | 浙江林学院 | Glue spreading method for bamboo wood cementing surface |
| CN103265921B (en) * | 2012-12-31 | 2015-02-25 | 浙江帝龙新材料股份有限公司 | High-gloss anti-crack adhesive for multilayer plywood and method for manufacturing multilayer plywood |
| CN103254840B (en) * | 2013-04-28 | 2016-01-20 | 南京林业大学 | A kind of Wood adhesive active filler and using method thereof |
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