CN1060255A - Plastics-bamboo veneer board and manufacture method thereof - Google Patents
Plastics-bamboo veneer board and manufacture method thereof Download PDFInfo
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- CN1060255A CN1060255A CN 91106810 CN91106810A CN1060255A CN 1060255 A CN1060255 A CN 1060255A CN 91106810 CN91106810 CN 91106810 CN 91106810 A CN91106810 A CN 91106810A CN 1060255 A CN1060255 A CN 1060255A
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- bamboo
- plastics
- veneer
- curtain splint
- veneer board
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Abstract
The present invention adopts " once moulding again " technology, and three kinds of different formation unit gummeds are formed: promptly plastics-bamboo veneer board is that bamboo mat and long and short bamboo curtain splint hot-press gluing constitute by top layer papery plastic plate (or bond paper and veneer), sandwich layer.Mainly as Shimizu concrete template, it has high strength, high-wearing feature and enhanced water resistance to this plastics-bamboo veneer board; Adopt one time assembly, be hot pressed into " once moulding again " technology of plate, thereby reduced the investment and the production cost of founding the factory.
Description
The present invention relates to a kind of wood-based plate and manufacture method thereof as Shimizu concrete template.
At present, domestic and international manufacture method of moulding bamboo fiber board again, all be produce earlier by a certain constitute the base material formed the unit (as all by the bamboo mat glued board, all by the bamboo plywood of bamboo piece compacting etc.), then with its saw limit, substrate surface sanding, gluing, ageing are carried out assembly, hot pressing, cutting edge, covering with paint edge sealing with formica (as bond paper, paper plastic plate, plastic sheeting etc.) again and are formed; The configuration veneer is also arranged between base material and formica.This method belongs to common preventing for artificial board secondary operations " in surfacing process.The various equipment investment and the plant area of founding the factory that increase of operation owing to surfacing process, increased production cost of products greatly, because each procedure all needs corresponding apparatus and place, all need to expend the certain labor hour and the energy, and the possibility that produces substandard products and waste product is arranged.
The object of the present invention is to provide and a kind ofly constitute the unit by three kinds of differences and form, adopt assembly one time, the plastics-bamboo veneer board that hot-forming " once moulding again " technology is made.
Technical scheme of the present invention: plastics-bamboo veneer board is to adopt three different formation unit gummeds to form, it is divided into two parts, be top layer and sandwich layer, its upper and lower top layer respectively is a piece of paper matter plastic plate (or respectively being a bond paper and veneer), and sandwich layer is many bamboo mats and long and short bamboo curtain splint.
The manufacturing process of plastics-bamboo veneer board is to adopt an assembly to be hot pressed into plate " once to mould " technology again, is about to paper plastic plate (or bond paper and veneer), bamboo mat and bamboo curtain splint by its structure assembly, and a hot-press gluing forms.
Concrete manufacture method of the present invention is as follows:
1, main raw material(s) and requirement:
A, paper plastic plate (or bond paper and veneer), paper plastic plate, by after 2～3 layers of body paper impregnation drying, a kind of slim (0.2～0.3mm) the paper plastic plate that assembly, hot pressing form; Require plate complexion pool uniformity, impression, cut and corner breakage mustn't be arranged.Bond paper is formed by body paper impregnation drying; Veneer is a rotary cut venner, and moisture content is less than 12%.
B, bamboo curtain splint: slightd by the bamboo that 0.5～0.7mm is thick, the longitude and latitude braiding forms, and requires braiding closely, no mildew.
C, bamboo curtain splint: slight with warp by the thick bamboo in the 1.2mm left and right sides and to be made into; Bamboo curtain splint divides long bamboo curtain splint and two kinds of short bamboo curtain splints.The length direction of long bamboo curtain splint be bamboo slight vertically, the width of short bamboo curtain splint be bamboo slight vertically.Long bamboo curtain splint is consistent with the book size of short bamboo curtain splint, requires bamboo curtain splint not have mildew.
The breadth size of paper plastic plate (or bond paper and veneer) bamboo mat and bamboo curtain splint is identical.
D, 2122 type water-soluble phenolic resin adhesives, its quality requirement is as follows: solids content: 45～48%, free ester: below 3%; Can be by bromide: be not less than 12%, viscosity: 70～150 En Geladu (20 ℃), hardening time: 30～90 seconds.
2, wet bamboo mat, wet bamboo curtain splint drying
Adopt jet-propelled mesh dryer that it is carried out drying, temperature is 150～180 ℃, and the time was generally 10～25 minutes, and dried moisture content should be 8～12%.
3, bamboo curtain splint, bamboo mat impregnation and drying thereof
A, bamboo curtain splint impregnation drying: adopt 2122 type water-soluble phenolic resin adhesive thin ups, its cement ratio is 1: 1～1: the 0.8(volume ratio).With the even thin glue-line of bamboo curtain splint all surface dip-coating one deck, vertically place then about half an hour, unnecessary glue is dripped remove, carry out low temperature drying (baking temperature is less than 95 ℃) after the ageing, make its moisture content below 12%.
B, bamboo mat impregnation drying: add water 2122 type water soluble phenol resins are diluted, its glue volume ratio is about 1: 0.5, bamboo mat is put into glue number minute, make bamboo mat surface and bamboo slight lap-joint and all be soaked with glue, vertically place then about 1 hour, unnecessary glue is dripped remove, ageing is after 1～2 hour, carry out drying with 95～98 ℃ of temperature, make its moisture content less than 20%.
4, assembly
(1), adopt upper and lower backing plate, upper padding plate is fixed on the heating platen, at the enterprising pedestrian worker's assembly of lower bolster; Upward,, lower bolster can be cold-rolled steel sheet or corrosion resistant plate.
(2), slab structure: upper and lower top layer is respectively with a piece of paper matter plastic plate (or being a bond paper and veneer), in the inboard on upper and lower top layer respectively is 1～2 impregnation bamboo mat, and the inboard of impregnation bamboo mat is to be disposed according to the following rules by many long bamboo curtain splints of impregnation and the short bamboo curtain splint of impregnation:
A, all long bamboo curtain splints are parallel to each other, and several adjacent long bamboo curtain splints can be parallel overlapping; The short bamboo curtain splint of all impregnations of b is parallel to each other, and several adjacent short bamboo curtain splints can be parallel overlapping; The machine direction of c, long bamboo curtain splint and short bamboo curtain splint is mutually perpendicular; D, determine total number of plies (number) of long bamboo curtain splint and short bamboo curtain splint according to the thickness of sheet material; E, according to quantitative proportion and the long bamboo curtain splint and the position outfit of weak point bamboo curtain splint on slab thickness of vertically determining long bamboo curtain splint and short bamboo curtain splint of sheet material with horizontal requirement of strength (or strength ratio) in length and breadth.
5, hot pressing: adopt the cold cold technology that goes out of advancing, promptly advance plate 50 ℃ the time, increasing temperature and pressure is warmed up to 135 ℃ and picks up counting then, steam discharge after the stipulated time, release ejecting plate when logical cold water is cooled to 50 ℃.Hot pressing temperature: 135～145 ℃, unit pressure: 2.5～3.0MPa, the heat-insulation pressure keeping time: it is 1.5～2 minutes that the case finished product thickness calculates every millimeter thickness of slab.
6, cutting edge and edge sealing: press the edging and trimming saw cutting edge of finished product size; Adopt polyurethane lacquer to cover with paint, lacquer, colour wash, etc. edge sealing then.
In sum, the present invention has following characteristics and good effect:
Plastics-bamboo veneer board is to adopt three classes to constitute the unit to form, be that paper plastic plate (or bond paper and veneer) sandwich layer is the best complex structure that bamboo mat and long and short bamboo curtain splint are formed promptly by the top layer, thereby make sheet material have high strength by complex effect, be vertical MOR greater than 110MPa, longitudinal modulus of elasticity is greater than 11000MPa; High-wearing feature (uncle of Qin test number (TN)): 3000 times; Enhanced water resistance: boiled not stratifiedly in 3 hours, the soak thickness swell rate was less than 7% in 72 hours.The present invention adopts assembly, is hot pressed into " once moulding again " technology of plate, replace the surfacing process in the wood-based plate traditional " secondary operations ", thereby simplified substrate surface sanding, gluing, ageing and with six procedures such as the assembly of formica, hot pressing, cutting edge, greatly reduce production cost, improved the quality of product and the qualification rate of product.
Claims (1)
1, a kind of plastics-bamboo veneer board and manufacture method thereof is characterized in that:
A, described plastics-bamboo veneer board are to be formed by the bamboo mat of the paper plastic plate on top layer (or bond paper and veneer), sandwich layer and three different formation unit gummeds of long and short bamboo curtain splint;
The manufacturing process of B, described plastics-bamboo veneer board is to adopt an assembly, is hot pressed into " once moulding again " technology of plate, is about to paper plastic plate (or bond paper and veneer), bamboo mat and bamboo curtain splint by its structure assembly, and a hot-press gluing forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106810 CN1060255A (en) | 1991-09-24 | 1991-09-24 | Plastics-bamboo veneer board and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91106810 CN1060255A (en) | 1991-09-24 | 1991-09-24 | Plastics-bamboo veneer board and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1060255A true CN1060255A (en) | 1992-04-15 |
Family
ID=4908189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91106810 Pending CN1060255A (en) | 1991-09-24 | 1991-09-24 | Plastics-bamboo veneer board and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1060255A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275724A (en) * | 2013-07-08 | 2015-01-14 | 赵星 | Manufacturing method of thermosetting plastic veneer bamboo bundle curtain board |
-
1991
- 1991-09-24 CN CN 91106810 patent/CN1060255A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104275724A (en) * | 2013-07-08 | 2015-01-14 | 赵星 | Manufacturing method of thermosetting plastic veneer bamboo bundle curtain board |
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| C10 | Entry into substantive examination | ||
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |