CN1928222A - Wood veneer composite material and its production process - Google Patents
Wood veneer composite material and its production process Download PDFInfo
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- CN1928222A CN1928222A CN 200610053534 CN200610053534A CN1928222A CN 1928222 A CN1928222 A CN 1928222A CN 200610053534 CN200610053534 CN 200610053534 CN 200610053534 A CN200610053534 A CN 200610053534A CN 1928222 A CN1928222 A CN 1928222A
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Abstract
The invention relates to a wood compounded material, comprising by weight 20-40% of Manila sand slurry, 20-40% of wood slurry, 20-40% of chemical fiber which is vinylon and 3-10% of bonding fibre which is water miscible PVA. The production technology of the wood compounded material contains 1) beating by beater, 2) joining 1-% of PEO in drainer, 3) drying that original paper is formed by drying in dryer after forming in oblique graticule forming container, 4) coating by coater two times after loosening and it is cut into finish product by splitting machine. There are the merits that it is provided with adjacent crossbar strength ratio so as to solve the problem of wood strobilation and certain air permeability.
Description
Technical field
The present invention relates to wet method non-weaving cloth field, mainly is a kind of Wood veneer composite material and production technology.
Background technology
Wood veneer composite material is one of wet method non-weaving cloth series of products, be mainly used in wooden ornament materials industry, as the intermediate materials between wooden skin and the substrate, high-grade timber is made wooden skin coiled material, in order to fit with the low-grade wood materials of amalgamation, can be made into firm but also economical and practical veneer solid material not only attractive in appearance, this material has become one of modern house ornamentation and the extensive material that adopts of furniture.The wood skin is directly fitted less than too big quality problems with planar substrates, but when fitting with curved substrate, as make the wood strip bar, because the fragility of wooden skin, in concavo-convex corner crackle appears just easily, this just needs must use intermediate materials between wooden skin and the substrate, produced special-purpose Wood veneer composite material thus, this product has certain air permeability, certain tensile strength in length and breadth, good pliability and stickiness, problems such as application of a surface have been overcome, be to solve mechanization to produce coating lines (plate), the mechanization edge sealing is produced the critical material of furniture, a door and window difficult problem.
More external these product developments of country are very ripe, domestic manufacturer substantially all uses imported product, mainly from Germany, the import of Britain company, but because factor such as bid height, delivery date are long, the amount of stocking up is big, occupied fund is many, many producers all wish to find at home substitute products.The also useful homemade nonwoven fabric of domestic manufacturer substitutes at present, but particularly can not show a candle to the product with the special bark composite on the performance in road, back paint operation.
Summary of the invention
The objective of the invention is in order to overcome above-mentioned deficiency, and a kind of Wood veneer composite material and production technology are provided.
The technical solution adopted for the present invention to solve the technical problems.This Wood veneer composite material, it is made by the following weight proportion raw material, manila pulp 20～40%, wood pulp 20～40%, chemical fibre 20～40%, bondable fibers 3～10%.
Bondable fibers of the present invention is to refer to water-solubility PVA, and chemical fibre refers to vinylon.
The production technology of Wood veneer composite material of the present invention mainly comprises the steps;
1), adopts the beater making beating: the beating consistency 4～5% of wood pulp, making beating ampere 65～70A, beating time 40～60 minutes; The beating consistency 3～4% of manila pulp, making beating ampere 60～65A, beating time 30～50 minutes;
2), in reserve pit, adding assistant polyacrylamide (PEO), 1～8%, to put into pulpboard before the beater as the benchmark of promoter addition;
3), be shaped at oblique net former, and form body paper through cylinder dried, body paper is cut edge by cutting machine and joint formation body paper becomes paper;
4), body paper unreeled the back adopt coating machine to carry out the coating of first road, wherein the smears is polyacrylic acid emulsion (XH-A), coating concentration 10～30%, oven dry is handled the back rolling and is formed the first road coated paper;
5), the first road coated paper unreeled the back adopt coating machine to carry out the coating of second road, wherein the smears is white glues (polyvinyl acetate emulsion), coating concentration 30～60%, oven dry is handled the back rolling and is formed the second road coated paper;
6), the second road coated paper is cut the formation finished product by cutting machine.
Advantage of the present invention is: 1, the tensile strength in length and breadth of product is more approaching frequently, is more suitable for the needs of wooden skin processing, can better solve the transverse fissure problem of wooden skin; 2, product has certain air permeability, can satisfy the suitable property requirement of processing of wooden skin; 3, the applying fastness of material and wooden skin is eager to excel in whatever one does, not stratified, does not produce explosion in the processing of back; 4, product has certain bulk, can reduce the thickness of wooden skin.
The specific embodiment:
Below in conjunction with embodiment the present invention is further described.
Embodiment 1: this Wood veneer composite material, it is made by the following weight proportion raw material, manila pulp 20%, wood pulp 40%, chemical fibre 35%, bondable fibers 5%.Described bondable fibers is a water-solubility PVA, and chemical fibre refers to vinylon.
The production technology of this Wood veneer composite material mainly comprises the steps;
1), adopts the beater making beating: the beating consistency 4～5% of wood pulp, making beating ampere 65～70A, beating time 40～60 minutes, pulp quality requirement: beating degree 15---18 (° SR), weight in wet base 14---16 (gram); The beating consistency 3～4% of manila pulp, making beating ampere 60～65A, beating time 30～50 minutes; Pulp quality requires: beating degree 14---16 (° SR), weight in wet base 16---18 (gram); Chemical fibre will keep the dispersion fully of fiber to discongest, and the drafting phenomenon mustn't be arranged;
2), in reserve pit, adding assistant polyacrylamide (PEO), 1～8%, to put into pulpboard before the beater as the benchmark of promoter addition; Auxiliary agent must strictly add by technological requirement, joins 300 kilograms/pond of slurry amount, joins slurry concentration 1%.
3), be shaped at oblique net former, and form body paper through cylinder dried, body paper is cut edge by cutting machine and joint formation body paper becomes paper; In the paper technology: speed of a motor vehicle 55---60 (rice/minute), door 1300 millimeters, online concentration 0.1---0.2 (‰), online pH value 6---7, slurry flow 15 peaces go out to squeeze moisture 70%, drying cylinder steam pressure 1---2 (kilograms per centimeter
2), become paper moisture 4---8 (%).During body paper is produced: will guarantee in the production that body paper has enough air permeabilities; The strength ratio in length and breadth that will guarantee material in the production is approaching, and certain wet strength be arranged; To guarantee in the production that material has certain toughness, makes it to be difficult for embrittlement.
4), body paper unreeled the back adopt coating machine to carry out the coating of first road, wherein the smears is polyacrylic acid emulsion (XH-A), coating concentration 10～30%, oven dry is handled the back rolling and is formed the first road coated paper; The first road coated paper is unreeled the back adopt coating machine to carry out the coating of second road, wherein the smears is white glues (polyvinyl acetate emulsion), coating concentration 30～60%, and oven dry is handled the back rolling and is formed the second road coated paper; The second road coated paper is cut the formation finished product by cutting machine.
Coating process: A type latex, polyacrylic acid emulsion (XH-A) 10----30 (%), Type B latex, white glues (polyvinyl acetate emulsion, 30----60 (%), coating speed of a motor vehicle 25---30 (rice/minute), oven temperature 140---150 (degree).In the coating processing: the processing request that equipment is wanted to satisfy high coating weight and adapted to the high viscosity sizing material; To keep certain air permeability in the coating process, guarantee when material and wooden skin are fitted the air between wooden skin and the material to be got rid of smoothly, not produce bubble; The bond strength that guarantees product will be got well, and lamination can not be arranged.To guarantee the profile pattern of material after the coating.
Whole process flow is as follows;
(1) raw material-beater making beating-pulp storage tank-pond of manufacturing paper with pulp-oblique net former shaping-cylinder dried-body paper;
(2) body paper-cutting machine is cut edge and is become paper with joint-body paper;
(3) body paper--unreels-I road coating-oven drying---rolling;
(4) I road coated paper unreels-II road surface coated-oven drying-rolling;
(5) II road coated paper--cutting machine is cut finished product---packing.
The basic equipment that adopts:
(1) body paper equipment:
The equipment of producing body paper is the oblique net paper machine of our company's autonomous innovation, is the paper machine of a door width of cloth 1300mm with oblique net former.The equipment yearly productive capacity is manufactured paper with pulp quantitatively at 20---100g/m about 1500 tons
2This equipment can satisfy the needs of body paper quality and yield.Tiltedly the characteristics of net forming technology are:
1) online concentration is very low, ten thousand/several (and the online concentration of traditional cylinder, long mesh paper making machine is in some thousandths of), can make that the outward appearance uniformity of product manufactures paper with pulp better;
2) can adapt to manufacturing paper with pulp of multiple fibrous raw material, fibre length can reach more than 20 millimeters (and traditional cylinder, long mesh paper making machine can only adapt to the fiber below 6 millimeters);
3) the vertical, horizontal tensile strength to product can need by the function of product to regulate during papermaking, can make the ratio of the vertical, horizontal tensile strength of product reach 1 to 1.Because it is the state-of-the-art technology of wet method nonwoven product of manufacturing paper with pulp at present that oblique net forming technology has the above oblique net forming technology of can saying.And the equipment of most critical is oblique net former in the oblique net forming technology.
(2) coating equipment: the coating machine of base paper is the coating process equipment of door width of cloth 1300mm import.This equipment has the higher coating machining accuracy, can satisfy the process requirements of high and low coating weight, and coating weight is at 5--150g/m
2, the equipment yearly productive capacity is about 1200 tons.This equipment can satisfy the needs of product coating quality and output.
3, the key technical indexes
| Index name | Unit | Design objective | The actual measurement index |
| Quantitatively | G/m 2 | 48±3 | 47.4 |
| Tensile strength (indulging) | KN/m | ≥1.5 | 1.74 |
| Tensile strength (horizontal stroke) | KN/m | ≥1.2 | 1.47 |
| Thickness | mm | ≥0.065 | 0.096 |
| Air permeability | L/m 2.s | ≥80 | 109 |
External product and Xinhua's product Main physical index actual measurement contrast situation
Embodiment 2: difference from Example 1 is, this Wood veneer composite material, and it is made by the following weight proportion raw material, manila pulp 40%, wood pulp 20%, chemical fibre 30%, bondable fibers 10%, wherein said bondable fibers is a water-solubility PVA, chemical fibre refers to vinylon.
Embodiment 3: difference from Example 1 is, this Wood veneer composite material, and it is made by the following weight proportion raw material, manila pulp 30%, wood pulp 20%, chemical fibre 40%, bondable fibers 10%, wherein said bondable fibers is a water-solubility PVA, chemical fibre refers to vinylon.
Embodiment 4: difference from Example 1 is, this Wood veneer composite material, and it is made by the following weight proportion raw material, manila pulp 40%, wood pulp 35%, chemical fibre 20%, bondable fibers 5%, wherein said bondable fibers is a water-solubility PVA, chemical fibre refers to vinylon.
Embodiment 5: difference from Example 1 is, this Wood veneer composite material, and it is made by the following weight proportion raw material, manila pulp 27%, wood pulp 30%, chemical fibre 40%, bondable fibers 3%, wherein said bondable fibers is a water-solubility PVA, chemical fibre refers to vinylon.
Embodiment 6: difference from Example 1 is, this Wood veneer composite material, and it is made by the following weight proportion raw material, manila pulp 32%, wood pulp 30%, chemical fibre 30%, bondable fibers 8%, wherein said bondable fibers is a water-solubility PVA, chemical fibre refers to vinylon.
Claims (4)
1, a kind of Wood veneer composite material is characterized in that: it is made by the following weight proportion raw material, manila pulp 20～40%, wood pulp 20～40%, chemical fibre 20～40%, bondable fibers 3～10%.
2, Wood veneer composite material according to claim 1 is characterized in that: it is made by the following weight proportion raw material, manila pulp 30%, wood pulp 40%, chemical fibre 25%, bondable fibers 5%.
3, Wood veneer composite material according to claim 1 and 2 is characterized in that: described bondable fibers is water-soluble fibre PVA, and chemical fibre refers to vinylon.
4, a kind of production technology of Wood veneer composite material according to claim 1 is characterized in that: mainly comprise the steps;
4.1), adopt the beater making beating: the beating consistency 4～5% of wood pulp, making beating ampere a 65～70A, beating time 40～60 minutes; The beating consistency 3～4% of manila pulp, making beating ampere 60～65A, beating time 30～50 minutes;
4.2), in reserve pit, adding assistant polyacrylamide (PEO), 1～8%, to put into pulpboard before the beater as the benchmark of promoter addition;
4.3), be shaped at oblique net former, and form body paper through cylinder dried, body paper is cut edge by cutting machine and joint formation body paper becomes paper;
4.4), body paper unreeled the back adopt coating machine to carry out the coating of first road, smears polyacrylic acid emulsion (XH-A) wherein, coating concentration 10～30%, oven dry is handled the back rolling and is formed the first road coated paper;
4.5), the first road coated paper unreeled the back adopt coating machine to carry out the coating of second road, wherein the smears is white glues (polyvinyl acetate emulsion), coating concentration 30～60%, oven dry is handled the back rolling and is formed the second road coated paper;
4.6), the second road coated paper cuts the formation finished product by cutting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100535346A CN100526553C (en) | 2006-09-14 | 2006-09-14 | Wood veneer composite material and its production process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100535346A CN100526553C (en) | 2006-09-14 | 2006-09-14 | Wood veneer composite material and its production process |
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| Publication Number | Publication Date |
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| CN1928222A true CN1928222A (en) | 2007-03-14 |
| CN100526553C CN100526553C (en) | 2009-08-12 |
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| CNB2006100535346A Active CN100526553C (en) | 2006-09-14 | 2006-09-14 | Wood veneer composite material and its production process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619553B (en) * | 2008-11-28 | 2011-11-30 | 富阳市钱旺纸业有限公司 | Production process of composite functional paper |
| CN105064122A (en) * | 2015-08-11 | 2015-11-18 | 浙江惠同纸业有限公司 | Digital label paper and production method thereof |
| CN105239446A (en) * | 2015-09-02 | 2016-01-13 | 浙江惠同新材料股份有限公司 | Raw paper of positioning paper and production method of same |
| CN105603470A (en) * | 2016-03-31 | 2016-05-25 | 奕东电子(常熟)有限公司 | Satin nickel solution and nickel plating process thereof |
-
2006
- 2006-09-14 CN CNB2006100535346A patent/CN100526553C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619553B (en) * | 2008-11-28 | 2011-11-30 | 富阳市钱旺纸业有限公司 | Production process of composite functional paper |
| CN105064122A (en) * | 2015-08-11 | 2015-11-18 | 浙江惠同纸业有限公司 | Digital label paper and production method thereof |
| CN105064122B (en) * | 2015-08-11 | 2017-07-14 | 浙江惠同新材料股份有限公司 | Digital label paper and its production method |
| CN105239446A (en) * | 2015-09-02 | 2016-01-13 | 浙江惠同新材料股份有限公司 | Raw paper of positioning paper and production method of same |
| CN105603470A (en) * | 2016-03-31 | 2016-05-25 | 奕东电子(常熟)有限公司 | Satin nickel solution and nickel plating process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100526553C (en) | 2009-08-12 |
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