CN214034587U

CN214034587U - Melamine impregnated paper composite floor without glue adhesion

Info

Publication number: CN214034587U
Application number: CN202022547328.9U
Authority: CN
Inventors: 李远扬; 梁炳康; 周强; 甘祖国
Original assignee: Huizhou Weikang New Building Materials Co ltd
Current assignee: Huizhou Weikang New Building Materials Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-24
Anticipated expiration: 2030-11-06

Abstract

The utility model belongs to the technical field of the floor. The utility model provides a melamine impregnated paper laminate flooring who need not glue laminating, is formed by UV dope layer, the transparent wear-resisting paper layer of melamine, melamine decorative pattern paper layer, transition layer and substrate layer complex in proper order, and the compound mode is the hot pressing laminating, the UV dope layer is the surface course. The utility model has light specific gravity, high hardness and high strength; the waterproof, fireproof, scratch-resistant and wear-resistant performances are good; the printed patterns are rich in color, clear in embossed texture, strong in layering sense and good in visual effect. The floor has the advantages of simple structure, good smoothness, good dimensional stability, no need of a balance layer and low production cost. And each layer of structure is laminated without glue, hot-pressing laminating is realized, one-step processing forming can be realized, and the production efficiency is high.

Description

Melamine impregnated paper composite floor without glue adhesion

Technical Field

The utility model belongs to the technical field of the floor, concretely relates to melamine impregnated paper laminate flooring who need not the glue laminating.

Background

At present, most of floor materials on the market are ceramic tiles, wood floors and stone-plastic floors, and the wood floors comprise laminate floors and solid wood composite floors. The weight of the ceramic tile is heavy, the foot feeling is poor when the temperature is low, the anti-skid effect is not as good as that of a stone-plastic floor, and the construction difficulty is high; the wood floor has no waterproof and fireproof performance; the stone-plastic floor has poorer shrinkage than a ceramic tile, and the wear resistance and the scratch resistance are inferior to those of a reinforced floor.

CN201810348459.9 discloses PVC stone of ultralow formaldehyde impregnated paper composite construction moulds floor, and this laminate flooring replaces the substrate layer of laminate flooring to the stone substrate layer to laminate the melamine wear-resisting ply of laminate flooring, decorative pattern paper layer and balanced layer with glue on stone and mould board two sides, solved the problem that laminate flooring is not waterproof, not fire-proof with this. But the floor has complex manufacturing process, almost no lines on the surface, glue adhesion, easy layering and poor quality stability.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a melamine impregnated paper composite floor which does not need glue laminating, and the composite floor has light specific gravity, high hardness and high strength; the waterproof, fireproof, scratch-resistant and wear-resistant performances are good; the printed patterns are rich in color, clear in embossed texture, strong in layering sense and good in visual effect. The floor has the advantages of simple structure, good smoothness, good dimensional stability, no need of a balance layer and low production cost. And each layer of structure is laminated without glue, hot-pressing laminating is realized, one-step processing forming can be realized, and the production efficiency is high.

The technical scheme of the utility model as follows:

a melamine impregnated paper composite floor without glue adhesion is formed by sequentially compounding a UV coating layer, a melamine transparent wear-resistant paper layer, a melamine patterned paper layer, a transition layer and a base material layer; the UV coating layer is a surface layer; the compounding method is as follows: the melamine transparent wear-resistant paper layer, the melamine patterned paper layer, the transition layer and the base material layer are attached through hot pressing, and the surface of the melamine transparent wear-resistant paper layer is coated with the UV coating layer.

Furthermore, the elastic sound absorbing layer is attached to the bottom surface of the base material layer.

Further, the elastic sound absorption layer comprises one or a combination of more than two of a foaming IXPE layer, an EVA layer and a cork layer. The elastic sound absorption layer has the functions of sound insulation, sound absorption, shock absorption and buffering, and the service life of the floor can be prolonged.

Further, the transition layer is a PVC/sawdust plastic-wood board; the PVC/sawdust plastic-wood board comprises the following components in parts by mass: 100 parts of PVC, 20-50 parts of plasticizer DOTP, 2.5 parts of calcium-zinc stabilizer, 10-50 parts of stone powder, 10-25 parts of reinforced floor sawdust and 0.4 part of toner. The reinforced floor sawdust is added into the transition layer as a filler, the sawdust contains melamine, the problem of laminating the melamine patterned paper layer and the substrate layer can be effectively solved, and meanwhile, the recycling rate of the reinforced floor sawdust can be improved.

Furthermore, the preparation method of the PVC/sawdust plastic-wood board comprises the following steps: mixing the materials uniformly, adding the mixture into an internal mixer for internal mixing, and repeatedly calendering by calendering rollers to prepare sheets.

Further, the thickness of the transition layer is 0.5-1.5 mm.

Further, the thickness of the base material layer is 3-10 mm.

Furthermore, the substrate layer is the PVC substrate layer to PVC is as the main material of substrate layer, and the roughness is high.

Further, the PVC substrate layer comprises a PVC stone plastic plate and an SPC stone crystal plate. The PVC stone plastic plate comprises the following components in parts by weight: 75 parts of PVC, 225 parts of stone powder, 6 parts of a stabilizer, 1.8 parts of a lubricant and 3 parts of a toughening agent. A large amount of stone powder is added into the PVC stone plastic plate and is used as a base material layer, so that the PVC stone plastic plate is high in strength, high in hardness and good in shrinkage resistance.

Furthermore, the preparation method of the PVC stone-plastic plate comprises the following steps: mixing the materials, adding the materials into a hot stirrer, stirring, heating to 120 ℃, transferring the materials into a cold stirrer, stirring, cooling to 45 ℃, entering a storage tank, and feeding the materials into a machine barrel through a feeding motor; plasticizing under the transmission, shearing and mixing of a screw, and then entering a die to form a blank; and (4) discharging from a die opening, then fixing the thickness by a calendering roller, and cooling by a traction roller and an air cooler to obtain the PVC stone plastic plate.

Wherein the barrel and die temperatures are set as follows:

a preparation method of a melamine impregnated paper composite floor without glue gluing comprises the following steps: sequentially stacking a melamine transparent wear-resistant paper layer, a melamine patterned paper layer, a transition layer and a base material layer from top to bottom; placing a steel embossed plate on the upper surface of the melamine transparent wear-resistant paper layer, and sequentially placing a release film and a steel backing plate on the lower surface of the substrate layer; transferring the stacked steel plates and materials to an oil press for high-temperature pressing, cooling to normal temperature under the action of pressure, and shaping to obtain a product; and removing the release film, standing for 24h, roller-coating a UV coating layer on the surface of the melamine transparent wear-resistant paper layer, and attaching an elastic sound absorbing layer to the bottom surface of the base material layer.

Further, the high pressure lamination process conditions are as follows:

high temperature setting (. degree. C.)	145--165
		High temperature pressing time (min)	15—40
High temperature pressure (kg)	70-150
		Cooling temperature (. degree.C.)	At room temperature

The utility model discloses following beneficial effect has:

the utility model discloses laminate flooring uses the UV dope layer as the surface course, and antipollution, antibiotic and anti mould become effectual, easily wash, can improve the wearability on floor, impact resistance ageing resistance and fire prevention fire behavior. The UV resistant agent in the transparent layer can effectively absorb ultraviolet rays, delays the phenomena of ink fading and color change of the printing patterns of the decorative layer caused by ultraviolet irradiation, and simultaneously can improve the performance of the wear-resistant paper layer. The melamine transparent wear-resistant paper layer and the melamine patterned paper layer are respectively prepared by impregnating melamine and urea-formaldehyde resin into plain paper and printed patterned raw paper and then drying, and after being sintered and attached at high temperature, the melamine transparent wear-resistant paper layer and the melamine patterned paper layer have high strength and high hardness, can effectively improve the scratch resistance and wear resistance of the floor and prolong the service life of the floor. The surface of the melamine transparent wear-resistant paper layer can be subjected to embossing treatment according to patterns printed by the melamine patterned paper layer, so that vivid stone-like textures, wood-like textures and other mosaic textures are manufactured, the patterns are rich in color, the embossed textures are clear, the layering sense is strong, and the composite floor is endowed with a good visual effect. The transition layer can make the inseparable laminating of substrate layer and melamine decorative pattern paper layer, and adhesive force between the three layer construction is good, and the roughness is high after the laminating, difficult layering. The substrate layer has high hardness and high strength, and can improve the flatness and the dimensional stability of the floor.

The utility model discloses laminate flooring need not to use glue between transparent wear-resisting ply of melamine, melamine decorative pattern ply, transition layer and the substrate layer each layer, but through hot pressing laminating one-time processing shaping, accessible 100 ℃/4H poaching test behind the floor laminating, floor emulation texture does not change, and the printing pattern does not fade, and the structure is not stratified, does not ftracture.

Drawings

FIG. 1 is a schematic structural view of the melamine impregnated paper composite floor without glue application of the present invention,

the sound absorbing layer comprises a UV coating layer, 2 a melamine transparent wear-resistant paper layer, 3 a melamine patterned paper layer, 4 a transition layer, 5 a base material layer and 6 an elastic sound absorbing layer.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention.

A melamine impregnated paper composite floor without glue joint is shown in figure 1 and is formed by sequentially compounding a UV coating layer 1, a melamine transparent wear-resistant paper layer 2, a melamine patterned paper layer 3, a transition layer 4, a base material layer 5 and an elastic sound absorption layer 6, wherein the UV coating layer 1 is a surface layer; the transition layer 4 is a PVC/sawdust plastic wood board with the thickness of 0.5-1.5 mm; the substrate layer 5 is a PVC stone plastic plate, and the thickness of the layer is 3-10 mm; the elastic sound absorption layer 6 comprises one or a combination of more than two of a foaming IXPE layer, an EVA layer and a cork layer.

The PVC/sawdust plastic-wood board comprises the following components in parts by mass: 100 parts of PVC, 20-50 parts of plasticizer DOTP, 2.5 parts of calcium-zinc stabilizer, 10-50 parts of stone powder, 10-25 parts of reinforced floor sawdust and 0.4 part of toner.

The preparation method of the PVC/sawdust plastic-wood board comprises the following steps: mixing the materials uniformly, adding the mixture into an internal mixer for internal mixing, and repeatedly calendering by calendering rollers to prepare sheets.

The PVC stone plastic plate comprises the following components in parts by weight: 75 parts of PVC, 225 parts of stone powder, 6 parts of a stabilizer, 1.8 parts of a lubricant and 3 parts of a toughening agent.

The preparation method of the PVC stone plastic plate comprises the following steps: mixing the materials, adding the mixture into a hot stirrer for stirring, heating to 120 ℃, transferring the materials into a cold stirrer for stirring and cooling to 45 ℃, entering a storage tank, and feeding the materials into a machine barrel through a feeding motor; plasticizing under the transmission, shearing and mixing of a screw, and then entering a die to form a blank; and (4) discharging from a die opening, then fixing the thickness by a calendering roller, and cooling by a traction roller and an air cooler to obtain the PVC stone plastic plate.

The barrel and die temperatures are set as follows:

The high pressure lamination process conditions are shown in the following table:

The utility model has light specific gravity, high hardness and high strength; the waterproof, fireproof, scratch-resistant and wear-resistant performances are good; the printed patterns are rich in color, clear in embossed texture, strong in layering sense and good in visual effect. The floor has the advantages of simple structure, good smoothness, good dimensional stability, no need of a balance layer and low production cost. And each layer of structure is laminated without glue, hot-pressing laminating is realized, one-step processing forming can be realized, and the production efficiency is high.

Claims

1. The melamine impregnated paper composite floor without glue adhesion is characterized by being formed by sequentially compounding a UV coating layer (1), a melamine transparent wear-resistant paper layer (2), a melamine patterned paper layer (3), a transition layer (4) and a base material layer (5); the UV coating layer (1) is a surface layer; the compounding method is as follows: the melamine transparent wear-resistant paper layer (2), the melamine patterned paper layer (3), the transition layer (4) and the base material layer (5) are attached through hot pressing, and the surface of the melamine transparent wear-resistant paper layer (2) is coated with the UV coating layer (1).

2. The glue-bonding-free melamine-impregnated paper composite floor as claimed in claim 1, wherein an elastic sound-absorbing layer (6) is bonded to the bottom surface of the substrate layer (5).

3. The glue-free melamine-impregnated paper composite floor according to claim 2, wherein the elastic sound-absorbing layer (6) comprises one or a combination of two or more of a foamed IXPE layer, an EVA layer, and a cork layer.

4. The glue-free laminated melamine-impregnated paper composite floor according to claim 1, wherein the transition layer (4) is a PVC/sawdust wood-plastic board.

5. The glue-applied melamine-impregnated paper composite floor according to claim 1, wherein the thickness of the transition layer (4) is 0.5-1.5 mm.

6. The glue-free laminated melamine-impregnated paper composite floor as claimed in claim 1, wherein the thickness of the substrate layer (5) is 3-10 mm.

7. The glue-free laminated melamine-impregnated paper composite floor as claimed in claim 1, wherein the substrate layer (5) is a PVC substrate layer.

8. The glue-free laminated melamine-impregnated paper composite floor as claimed in claim 7, wherein the PVC substrate layer comprises PVC stone plastic board, SPC stone crystal board.