CN1044965A - Superthin half-hard plastic overlay plate - Google Patents
Superthin half-hard plastic overlay plate Download PDFInfo
- Publication number
- CN1044965A CN1044965A CN 89100579 CN89100579A CN1044965A CN 1044965 A CN1044965 A CN 1044965A CN 89100579 CN89100579 CN 89100579 CN 89100579 A CN89100579 A CN 89100579A CN 1044965 A CN1044965 A CN 1044965A
- Authority
- CN
- China
- Prior art keywords
- melamine
- formaldehyde
- present
- urea
- ethanol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Laminated Bodies (AREA)
Abstract
The present invention is a kind ofly flooded amino resins with facing paper, the superthin half-hard plastic overlay plate that drying is direct and the hot pressing of bottom nonwoven fabric forms floods and is made by formaldehyde, melamine, polyvinyl alcohol, hexamethylenetetramine, ethanol, urea and water with resin glue then.Resin glue is made the back and is added latent curing agent, floods again.Manufactured goods thickness of the present invention only has 0.2-0.25mm, and brake forming can reach 6-10mm/R; The present invention is except that advantage with thermosetting resin decorative laminate and purposes, because its thin and good toughness also can be used for plating of various curved surfaces, coverlay, figure arc and drift angle; Manufacturing technique of the present invention is simple, and is with short production cycle, economical with materials, and cost is low.
Description
The present invention relates to the plastic sheet among a kind of artificial sheet material.
Thermosetting resin decorative laminate of the prior art is made through dipping oven dry, assembly and hot pressing by attached of top layer and back lining material.The attached face in its top layer comprises that overlay paper and facing paper need distinguish the amino resin adhesive that impregnated melamine, formaldehyde and ethanol are formed.Its back lining material comprises that Tipple Bottom layer paper also needs impregnated phenolic resin glue respectively.The finished product thickness of this laminated board is about 0.8mm, has characteristics such as any surface finish, water-fast, wear-resisting, anti-pollution, and what can be used for that furniture, instrument, vehicle etc. locate is decorative faced.But because it is big by its thickness of multilayer impregnated bond paper compacting, toughness because of used two kinds of resin glues is low again, and the toughness of paper is also limited, so this laminated board brake forming is poor, can only be used in plane and decoration for vertical face, and the decoration of not competent curved surface, coverlay and circular arc, drift angle plates.In U.S. Pat 2485080, put down in writing a kind of copolymer resin of the water-soluble glue of only making by melamine (being melamine), urea and formaldehyde, but it does not add compositions such as flexibility agent, crosslinking agent, thereby do not make its interior molecules side chain marshalling, be barricaded as well-regulated chain structure, so though this resin can be used for the impregnate layer platen, and finished product also has character such as any surface finish, but its toughness is low, and the decoration of same not competent curved surface and coverlay plates.
The objective of the invention is for overcoming above-mentioned weak point of the prior art, and it is few to propose a kind of impregnated bond paper number of plies the superthin half-hard plastic overlay plate that the direct heat that resin glue rete toughness and plasticity height, back lining material do not need to flood is pressed into.
The present invention realizes by following technical proposals.
The veneer sheet has two layers, is attached of top layer above it, is the back lining material below.Its top layer
Attached floods in the amino resin adhesive of being made by formaldehyde, melamine, polyvinyl alcohol, ethanol, urea, hexamethylenetetramine and water, adding in the resin glue before dipping has latent curing agent list triethanolamine phthalic acid ester, form after attached the drying in the top layer behind the dipping bond paper more directly and the hot pressing of back lining material form.
The attached face in the top layer of veneer sheet is a facing paper, can be printed on pattern on the paper, and its back lining material is that TENSILE STRENGTH is big, and gas porosity height, fiber are the non-woven fibre cloth of the shape that curls again.
Attached the amino resins that is flooded in veneer sheet top layer is in the thermosetting amine resin based on formaldehyde, melamine, urea, introduces the polymer of hot shortness's material polyvinyl alcohol, and its prescription is formed (weight %) and is:
37% formaldehyde 26.7～39.2
Melamine 17.2～23.1
Hexamethylenetetramine 0.5～0.9
Polyvinyl alcohol 0.7～1
Crosslinking agent: ethanol 16.9～19.7
Water 15.5～37.7
Urea 0.3～0.6
The adding weight ratio was 0.2%～0.5% latent curing agent list triethanolamine phthalic acid ester after resin glue was made.
The best in the resin glue prescription is formed (weight %):
37% formaldehyde 37.5～39
Melamine 19～21
Hexamethylenetetramine 0.5～0.8
Polyvinyl alcohol 0.8～0.9
Crosslinking agent: ethanol 18～19
Water 18.8～23.8
Urea 0.4～0.5
The adding weight ratio was 0.3%～0.4% latent curing agent list triethanolamine phthalic acid ester after resin glue was made.
The facing paper that the present invention adopts quantitatively is 100～160g/m
2, nonwoven fabric quantitatively be 10～60g/m
2Facing paper flooded in resin glue 35～45 seconds, dried in 90～130 ℃ environment then, became bond paper.Be bond paper by the upper strata again, lower floor is the order assembly of nonwoven fabric, and last machine carries out hot pressing.The last machine temperature of hot pressing is 70 ℃, is warming up to 140 ℃～160 ℃, again at 50～65kgf/cm
2Pressure under heat-insulation pressure keeping 20～25 minutes, naturally cool to 45 ℃ of machines at present at last.Because the gas porosity height of nonwoven fabric has the characteristic of the glue of attracting deposit, so helps dredging of volatile matter in hot pressing, can make nonwoven fabric and bond paper bonding firmly, and the veneer sheet back side also need not sand hair operation in plating use, help attracting deposit of adhesive, is convenient to bonding with base material.
Adding flexibility agent (polyvinyl alcohol) in the used amino resins based on formaldehyde, melamine, urea of dipping decorative paper is plasticity and the toughness that increases glue with the method for physics, adding crosslinking agent (ethanol) is with chemical method, make the branched chain molecule chain of the resin methodization that puts in order, better crosslinked etherificate, thus toughness improved.The manufacture technology of resin glue: at first, be that formaldehyde and water are added in the still, start agitator, add hexamethylenetetramine after 10 minutes, after waiting to dissolve, transfer pH value to 7～8 with alkali lye; Secondly, be warming up to 75 ℃ of mixtures that add melamines and polyvinyl alcohol, with 30 minutes with interior temperature rise to 90 ℃, survey resinification point; Once more, regulate condensation degree with triethanolamine, promptly the volume ratio of 10 ℃ of water and reactant liquor is 3.4～3.8: 1; Add ethanol and water and urea at last, treat that being cooled to 30 ℃ after solution dissolves puts glue.At dipping preceding 8 hours, add single triethanolamine phthalic acid ester, and stir.
The composition of the formulation embodiment of resin glue (weight %) is:
37% formaldehyde 38.6
Melamine 20.3
Hexamethylenetetramine 0.8
Polyvinyl alcohol 0.9
Crosslinking agent: ethanol 18.5
Water 20.4
Urea 0.5
The adding weight ratio was 0.4% latent curing agent list triethanolamine phthalic acid ester after the resin jelly was made.
The present invention except that the advantage with former thermosetting resin decorative laminate, also has outstanding characteristics compared with the prior art in the following areas:
(1) thin thickness, pliability is good.Its thickness only has 0.2～0.25mm, and original product is 0.8mm; Its brake forming (under the room temperature) can reach 6～10mm/R, and original product only is 50mm/R; Otherwise performance comparison such as following table are listed:
| Anti-boiling water boils | Wear-resisting | Tensile strength | DIMENSIONAL STABILITY | |
| The present invention | Weightening finish 8.4% | 0.0277g g/100 changes | Vertical horizontal 89N/mm of 97N/mm | Vertical compound change in size 0.28% horizontal compound change in size 0.27% |
| Original product | Weightening finish≤10% | 0.089 g/100 changes | 58.8N/mm | The horizontal compound change in size of vertical compound change in size≤0.45%≤0.9% |
(2) cost is low.Save the material input, comprised one deck overlay paper, Tipple Bottom layer paper and bottom paper dipping glue.Saved man-hour, the dipping and the stoving process process of having removed overlay paper and bottom paper from have shortened the production cycle.
(3) the suitable scope that plates of the present invention is wide, and is the same with the thermosetting resin decorative laminate, has any surface finish, lovely luster, wear-resisting, heat-resisting, water-fast, resistant to pollution characteristics can be done table top as the interior trim of instrument, household electrical appliance, vehicle, aircraft, boats and ships, clean room, building.Except that being applicable to that plane, facade plate, because it has advantage thin and soft and that toughness is high, therefore also be applicable to the decoration of coverlay (comprising convex surface concave surface and any special-shaped coverlay), curved surface and the circular arc drift angle of different shaping, and it plates corner angle and can be folded into arbitrarily angled (obtuse angle, right angle, acute angle), though there is folding line the folding back, can not fracture or ftracture, can keep whole connection transition continuous, thereby can keep the connectivity of decorative pattern integral body, and strengthen aesthetic feeling, also removed edging material from.In addition, after the present invention was covered and is bonded at base material, the stress equilibrium performance was good, can be as original product, when single face is pasted, make the base material phenomenon that deforms.
Claims (4)
1, a kind of superthin half-hard plastic overlay plate, attached of top layer and bottom, lining material by impregnating resin and oven dry form through hot pressing, the invention is characterized in that attached of top layer adds in the amino resin adhesive of being made by formaldehyde, melamine, polyvinyl alcohol, ethanol, urea, hexamethylenetetramine and water that latent curing agent list triethanolamine phthalic acid ester is arranged in advance floods, after the drying directly and the hot pressing of back lining material form.
2, according to the described veneer sheet of claim 1, it is characterized in that the top layer attached sheet are facing papers, the back lining material is a non-woven fibre cloth.
3, according to the described veneer sheet of claim 1, the composition (weight %) that it is characterized in that flooding with amino resin adhesive is:
37% formaldehyde 26.7～39.2
Melamine 17.2～23.1
Hexamethylenetetramine 0.5～0.9
Polyvinyl alcohol 0.7～1
Crosslinking agent: ethanol 16.9～19.7
Water 15.5～37.7
Urea 0.3～0.6
It is weight ratio 0.2%～0.5% that resin glue is made back adding latent curing agent list triethanolamine phthalic acid ester.
4,, it is characterized in that the best composition (weight %) that floods with amino resin adhesive is according to claim 1 or 3 described veneer sheets:
37% formaldehyde 37.5～39
Melamine 19～21
Hexamethylenetetramine 0.5～0.8
Polyvinyl alcohol 0.8～0.9
Crosslinking agent: ethanol 18～19
Water 18.8～23.8
Urea 0.4～0.5
It is weight ratio 0.3%～0.4% that resin glue is made back adding latent curing agent list triethanolamine phthalic acid ester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89100579 CN1044965A (en) | 1989-02-16 | 1989-02-16 | Superthin half-hard plastic overlay plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89100579 CN1044965A (en) | 1989-02-16 | 1989-02-16 | Superthin half-hard plastic overlay plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1044965A true CN1044965A (en) | 1990-08-29 |
Family
ID=4853930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89100579 Pending CN1044965A (en) | 1989-02-16 | 1989-02-16 | Superthin half-hard plastic overlay plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1044965A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7682668B2 (en) | 2004-02-25 | 2010-03-23 | Kronospan Technical Co. Ltd. | Decorative paper comprising electrically charged fibers |
| CN101954768A (en) * | 2010-08-02 | 2011-01-26 | 庄启程 | Flexible thermosetting resin impregnated paper high-pressure laminated plate |
| CN102504481A (en) * | 2011-11-23 | 2012-06-20 | 常州乔尔塑料有限公司 | Amino molding plastic capable of solidifying quickly and being stored for long time |
-
1989
- 1989-02-16 CN CN 89100579 patent/CN1044965A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7682668B2 (en) | 2004-02-25 | 2010-03-23 | Kronospan Technical Co. Ltd. | Decorative paper comprising electrically charged fibers |
| CN1946572B (en) * | 2004-02-25 | 2012-01-11 | 克劳诺普拉斯技术有限公司 | Method and device for manufacturing paper with abrasive layer and fiber, and paper manufactured |
| CN101954768A (en) * | 2010-08-02 | 2011-01-26 | 庄启程 | Flexible thermosetting resin impregnated paper high-pressure laminated plate |
| CN102504481A (en) * | 2011-11-23 | 2012-06-20 | 常州乔尔塑料有限公司 | Amino molding plastic capable of solidifying quickly and being stored for long time |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1215890A (en) | Method for the production of fibre composite material impregnated with resin | |
| CN100408325C (en) | Decorative melamine laminated floor covering material and its making method | |
| CA1160178A (en) | Multi layer board possessing a varnish surface, process for its production and its use | |
| RU2475506C2 (en) | Impregnation with hybrid resins | |
| US3865683A (en) | Covered asbestos-cement products | |
| US2388184A (en) | High strength laminated amino plastics | |
| JP2012001610A (en) | Ground sheet and manufacturing method of decorative panel | |
| CN1044965A (en) | Superthin half-hard plastic overlay plate | |
| CN113022043A (en) | Automobile ceiling material and preparation method thereof | |
| US3313675A (en) | Laminate and process of preparing the same | |
| US3736220A (en) | Thin decorative sheet and a decorative laminate produced therefrom | |
| US2352553A (en) | Method of making composite boards | |
| KR100361893B1 (en) | Waterproof Plywood Flooring Laminated with High Pressure Melamine Laminate Reinforced with Glass Fiber Layer and the Method for the Manufacturing thereof | |
| JP3623344B2 (en) | Wood finish | |
| JPH01197539A (en) | Structural material | |
| US4952356A (en) | Process for the hot press moulding of moulded articles | |
| JPH0585627U (en) | Veneer | |
| JP3841376B2 (en) | Manufacturing method of continuous decorative melamine veneer | |
| CN116791406A (en) | Preparation method of flexible decorative film and product thereof | |
| JP2521416Y2 (en) | Laminate | |
| JPS595026A (en) | Impregnation of varnish into laminated sheet base | |
| JPH07266497A (en) | Metal core double-faced decorative plate | |
| JP2521417Y2 (en) | Laminate | |
| JPH10114016A (en) | Woody finishing material | |
| JPS5917671B2 (en) | laminate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |