CN107901531A - A kind of three layers of Wood-plastic floor and preparation method thereof - Google Patents

A kind of three layers of Wood-plastic floor and preparation method thereof Download PDF

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Publication number
CN107901531A
CN107901531A CN201711336223.5A CN201711336223A CN107901531A CN 107901531 A CN107901531 A CN 107901531A CN 201711336223 A CN201711336223 A CN 201711336223A CN 107901531 A CN107901531 A CN 107901531A
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parts
floor
wood
pvc powder
plant fiber
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张若飞
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M & L International Ltd
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M & L International Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C—CHEMISTRY; METALLURGY
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4825—Polyethers containing two hydroxy groups
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
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    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/544—Silicon-containing compounds containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a kind of three layers of Wood-plastic floor and preparation method thereof, the Wood-plastic floor is made of floor bottom, floor middle level and floor top layer, and dual-component polyurethane elastomer is added in top layer and bottom, and the Wood-plastic floor is made by hot-forming.The present invention is by designing the formula of Wood-plastic floor different layers, and selection suitably stacks order and is combined, obtained Wood-plastic floor has good wearability, impact resistance, shock resistance, mechanical strength and barrier, and field of constructional ornament has been widely used indoors.

Description

A kind of three layers of Wood-plastic floor and preparation method thereof
Technical field
The invention belongs to wood plastic composite field, and in particular to a kind of three layers of Wood-plastic floor and preparation method thereof.
Background technology
Floor decoratees more and more used indoors, and floor includes solid wooden floor board, reinforced composite wooden floor, solid wood Composite floor board, bamboo-wood floor, cork flooring.Traditional indoor floor mostly based on timber, the floor there are inflammable, Yi Chao, Perishable, water swelling and dry the problems such as shrinking.Wood-plastic floor is one kind mainly by timber（Lignose, plant cellulose） For basic material and thermoplastic macromolecule material（PE, PVC plastic）With processing aid etc., add again through die apparatus after mixing Hot-extrudable shaping and manufactured high-tech green material, have the performance and feature of timber and plastics concurrently, can substitute timber and The novel environment friendly hitech materials of plastics.
The content of the invention
It is an object of the invention in view of the shortcomings of the prior art, providing a kind of three layers of Wood-plastic floor and preparation method thereof.This Invention is by designing the formula of Wood-plastic floor different layers, and selection suitably stacks order and is combined, obtained wood moulding Floor has good wearability, impact resistance, shock resistance, mechanical strength and barrier, and field of constructional ornament obtains extensively indoors General application.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of three layers of Wood-plastic floor, are made of floor bottom, floor middle level and floor top layer；
The floor top layer is made by the raw material of following mass fraction：100 parts of PVC powder, dual-component polyurethane elastomer 22 ~ 28 Part, 80 ~ 100 parts of plant fiber, three（Dioctyl pyrophosphoryl epoxide）6 ~ 8 parts of isopropyl titanate, 20 ~ 30 parts of flame-retardant plasticizer, heat 0.5 ~ 1.5 part of 3 ~ 5 parts of stabilizer, 1 ~ 3 part of antioxidant, 1 ~ 3 part of age resister and colouring agent；
The floor middle level is made by the raw material of following mass fraction：It is 100 parts of PVC powder, 40 ~ 60 parts of glass fibre, silane coupled 1 ~ 3 part of 3 ~ 5 parts of agent KH550,15 ~ 20 parts of plasticizer, 4 ~ 6 parts of heat stabilizer and lubricant；
The floor bottom is made by the raw material of following mass fraction：100 parts of PVC powder, dual-component polyurethane elastomer 30 ~ 35 Part, 120 ~ 150 parts of plant fiber, three（Dioctyl pyrophosphoryl epoxide）8 ~ 10 parts of isopropyl titanate, 30 ~ 40 parts of plasticizer, heat are steady Determine 1 ~ 3 part of 7 ~ 9 parts of agent and lubricant.
The dual-component polyurethane method for producing elastomers is：Count in parts by weight, first by 25 parts of polyethylene glycol and 12 Part graphene oxide mixing, after vacuum dehydration, under nitrogen protection, adds 38 parts of isophorone diisocyanate, then adds 1.2 parts of tin catalyst, after reacting 2h under 80 DEG C of constant temperature with the speed stirring of 35r/min, adds 1 part of small molecule chain extender second Diamine reactant 30min obtains base polyurethane prepolymer for use as；Under 80 DEG C of constant temperature, 1 part of crosslinking agent trimethylolpropane is added, stirring is anti- 2.5h is answered, cools down and the dual-component polyurethane elastomer is made.
In the raw material composition of the floor top layer, flame-retardant plasticizer is by chlorinated paraffin -70 and four bromophthalic acids Ester is (1.5 ~ 3) in mass ratio:1 composition.
A kind of preparation method of three layers of Wood-plastic floor as described above, specifically includes following steps：
（1）The preparation method of floor top layer：PVC powder and flame-retardant plasticizer are placed in high-speed kneading machine, stirring 10min is increased Modeling is handled；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, When drying 6 is small in 80 DEG C of baking ovens, modified plant fiber is obtained；Will be plasticized processing PVC powder, modification plant fiber, double groups Part polyurethane elastomer, heat stabilizer, antioxidant, age resister and colouring agent are put into high speed mixer together, and machinery is mixed After closing 15min, then put into and plate is made in extruder at 145 ~ 165 DEG C；
（2）The preparation method in floor middle level：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Glass fibre is added in Silane coupling agent KH550, stirring makes it after mixing, and dry 6 is small in 80 DEG C of baking ovens When, obtain modified glass fibre；The PVC powder of processing will be plasticized, glass fibre, heat stabilizer and the lubricant of modification are thrown together Enter into high speed mixer, after mechanical mixture 15min, then put into and plate is made in extruder at 155 ~ 170 DEG C；
（3）The preparation method of floor bottom：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, at 80 DEG C When drying 6 is small in baking oven, modified plant fiber is obtained；The PVC powder for being plasticized processing, the plant fiber of modification, two-component are gathered Urethane elastomer, heat stabilizer and lubricant are put into high speed mixer together, after mechanical mixture 15min, then are put into crowded Go out and plate is made in machine at 150 ~ 168 DEG C；
（4）Composite molding：Floor bottom, floor middle level and floor top layer made from above-mentioned steps are laid with successively, and 180 DEG C, it is hot-forming under 25MPa, three layers of Wood-plastic floor is made.
In the preparation process of above-mentioned dual-component polyurethane elastomer, polyethylene glycol and graphene oxide were mixed before this, this Two kinds of materials can't react, and then add isocyanates and tin catalyst, polyethylene glycol meeting at this time and isocyanic acid Ester reacts generation polyurethane, simultaneously because contain substantial amounts of hydroxyl group on graphene oxide, its also can and isocyanates React, isocyano in grafting, then carry out while reaction with the two, after adding chain extender and crosslinking agent, gather The chain extension-crosslinking of itself can not only occur for urethane and graphene oxide, but also also occurs that and be cross-linked with each other, and forming component is uniform Cross-linked structure.Dual-component polyurethane elastomer is added in Wood-plastic floor by the present invention, and gained floor has had polyurethane and PVC concurrently Performance.
The beneficial effects of the present invention are：
（1）Three layers of composite wood-plastic floor of the present invention add dual-component polyurethane elastomer in top layer and bottom, utilize The performance of polyurethane elastomer, increases the performances such as the wearability of Wood-plastic floor, impact resistance, shock resistance, mechanical strength；
（2）The present invention is added to by by the compound obtained dual-component polyurethane elastomer of graphene oxide and polyurethane In Wood-plastic floor, the barrier of Wood-plastic floor top layer can be greatly improved；
（3）The present invention is by designing the formula of Wood-plastic floor different layers, and selection suitably stacks order and is combined, made Three layers of standby every layer of Wood-plastic floor have different performances：Top layer is due to plant fiber, polyurethane elastomer and age resister Deng addition, make it have good surface weatherability, mechanical performance and barrier；Intermediate layer is mainly heat insulation and water resistance layer, Play the role of heat-insulated, waterproof, pressure-resistant, impact resistance etc.；Bottom is mainly formulated the relatively low somewhat softer material of Midst density, has very Strong earth-grasping force, can make floor smooth and be not easy to shift；
（4）The present invention selects three（Dioctyl pyrophosphoryl epoxide）Isopropyl titanate is modified plant fiber, utilizes coupling agent Three（Dioctyl pyrophosphoryl epoxide）The hydroxyl of monoalkoxy and fiber surface in isopropyl titanate is coupled, and improves filler Dispersiveness；
（5）The present invention selects the plasticizer of chlorinated paraffin -70 and tetrabromophthalate compounding as PVC powder, not only has There is good plasticization, while there is excellent fire-retardant, smoke suppressing effect.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited only to these embodiments.
The preparation of dual-component polyurethane elastomer：Count in parts by weight, first by 25 parts of polyethylene glycol and 12 parts of graphite oxides Alkene mixes, and after vacuum dehydration, under nitrogen protection, adds 38 parts of isophorone diisocyanate, then adds tin catalyst 1.2 parts, after reacting 2h under 80 DEG C of constant temperature with the speed stirring of 35r/min, add 1 part of small molecule chain extender reacting ethylenediamine 30min obtains base polyurethane prepolymer for use as；Under 80 DEG C of constant temperature, 1 part of crosslinking agent trimethylolpropane is added, 2.5h is reacted in stirring, The dual-component polyurethane elastomer is made in cooling.
Embodiment 1
A kind of three layers of Wood-plastic floor, are made of floor bottom, floor middle level and floor top layer；
The floor top layer is made by the raw material of following mass fraction：100 parts of PVC powder, 22 parts of dual-component polyurethane elastomer, plant 80 parts of fibres, three（Dioctyl pyrophosphoryl epoxide）6 parts of isopropyl titanate, 20 parts of flame-retardant plasticizer, 3 parts of heat stabilizer, antioxygen 0.5 part of 1 part of agent, 1 part of age resister and colouring agent；The flame-retardant plasticizer is by chlorinated paraffin -70 and four bromophthalic acids Ester is 1.5 in mass ratio:1 composition；
The floor middle level is made by the raw material of following mass fraction：100 parts of PVC powder, 40 parts of glass fibre, silane coupling agent 1 part of 3 parts of KH550,15 parts of plasticizer, 4 parts of heat stabilizer and lubricant；
The floor bottom is made by the raw material of following mass fraction：100 parts of PVC powder, 30 parts of dual-component polyurethane elastomer, plant 120 parts of fibres, three（Dioctyl pyrophosphoryl epoxide）8 parts of isopropyl titanate, 30 parts of plasticizer, 7 parts of heat stabilizer and lubricant 1 Part.
A kind of preparation method of three layers of Wood-plastic floor, specifically includes following steps：
（1）The preparation method of floor top layer：PVC powder and flame-retardant plasticizer are placed in high-speed kneading machine, stirring 10min is increased Modeling is handled；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, When drying 6 is small in 80 DEG C of baking ovens, modified plant fiber is obtained；Will be plasticized processing PVC powder, modification plant fiber, double groups Part polyurethane elastomer, heat stabilizer, antioxidant, age resister and colouring agent are put into high speed mixer together, and machinery is mixed After closing 15min, then put into and plate is made in extruder at 145 DEG C；
（2）The preparation method in floor middle level：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Glass fibre is added in Silane coupling agent KH550, stirring makes it after mixing, and dry 6 is small in 80 DEG C of baking ovens When, obtain modified glass fibre；The PVC powder of processing will be plasticized, glass fibre, heat stabilizer and the lubricant of modification are thrown together Enter into high speed mixer, after mechanical mixture 15min, then put into and plate is made in extruder at 155 DEG C；
（3）The preparation method of floor bottom：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, at 80 DEG C When drying 6 is small in baking oven, modified plant fiber is obtained；The PVC powder for being plasticized processing, the plant fiber of modification, two-component are gathered Urethane elastomer, heat stabilizer and lubricant are put into high speed mixer together, after mechanical mixture 15min, then are put into crowded Go out and plate is made in machine at 150 DEG C；
（4）Composite molding：Floor bottom, floor middle level and floor top layer made from above-mentioned steps are laid with successively, and 180 DEG C, it is hot-forming under 25MPa, three layers of Wood-plastic floor is made.
Embodiment 2
A kind of three layers of Wood-plastic floor, are made of floor bottom, floor middle level and floor top layer；
The floor top layer is made by the raw material of following mass fraction：100 parts of PVC powder, 28 parts of dual-component polyurethane elastomer, plant 100 parts of fibres, three（Dioctyl pyrophosphoryl epoxide）8 parts of isopropyl titanate, 30 parts of flame-retardant plasticizer, 5 parts of heat stabilizer, antioxygen 1.5 parts of 3 parts of agent, 3 parts of age resister and colouring agent；The flame-retardant plasticizer is by chlorinated paraffin -70 and four bromophthalic acids Ester is 3 in mass ratio:1 composition；
The floor middle level is made by the raw material of following mass fraction：100 parts of PVC powder, 60 parts of glass fibre, silane coupling agent 3 parts of 5 parts of KH550,20 parts of plasticizer, 6 parts of heat stabilizer and lubricant；
The floor bottom is made by the raw material of following mass fraction：100 parts of PVC powder, 35 parts of dual-component polyurethane elastomer, plant 150 parts of fibres, three（Dioctyl pyrophosphoryl epoxide）10 parts of isopropyl titanate, 40 parts of plasticizer, 9 parts of heat stabilizer and lubricant 3 parts.
A kind of preparation method of three layers of Wood-plastic floor, specifically includes following steps：
（1）The preparation method of floor top layer：PVC powder and flame-retardant plasticizer are placed in high-speed kneading machine, stirring 10min is increased Modeling is handled；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, When drying 6 is small in 80 DEG C of baking ovens, modified plant fiber is obtained；Will be plasticized processing PVC powder, modification plant fiber, double groups Part polyurethane elastomer, heat stabilizer, antioxidant, age resister and colouring agent are put into high speed mixer together, and machinery is mixed After closing 15min, then put into and plate is made in extruder at 165 DEG C；
（2）The preparation method in floor middle level：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Glass fibre is added in Silane coupling agent KH550, stirring makes it after mixing, and dry 6 is small in 80 DEG C of baking ovens When, obtain modified glass fibre；The PVC powder of processing will be plasticized, glass fibre, heat stabilizer and the lubricant of modification are thrown together Enter into high speed mixer, after mechanical mixture 15min, then put into and plate is made in extruder at 170 DEG C；
（3）The preparation method of floor bottom：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, at 80 DEG C When drying 6 is small in baking oven, modified plant fiber is obtained；The PVC powder for being plasticized processing, the plant fiber of modification, two-component are gathered Urethane elastomer, heat stabilizer and lubricant are put into high speed mixer together, after mechanical mixture 15min, then are put into crowded Go out and plate is made in machine at 168 DEG C；
（4）Composite molding：Floor bottom, floor middle level and floor top layer made from above-mentioned steps are laid with successively, and 180 DEG C, it is hot-forming under 25MPa, three layers of Wood-plastic floor is made.
Embodiment 3
A kind of three layers of Wood-plastic floor, are made of floor bottom, floor middle level and floor top layer；
The floor top layer is made by the raw material of following mass fraction：100 parts of PVC powder, 25 parts of dual-component polyurethane elastomer, plant 90 parts of fibres, three（Dioctyl pyrophosphoryl epoxide）7 parts of isopropyl titanate, 25 parts of flame-retardant plasticizer, 4 parts of heat stabilizer, antioxygen 1 part of 2 parts of agent, 2 parts of age resister and colouring agent；The flame-retardant plasticizer is by chlorinated paraffin -70 and tetrabromophthalate It is 2 in mass ratio:1 composition；
The floor middle level is made by the raw material of following mass fraction：100 parts of PVC powder, 50 parts of glass fibre, silane coupling agent 2 parts of 4 parts of KH550,18 parts of plasticizer, 5 parts of heat stabilizer and lubricant；
The floor bottom is made by the raw material of following mass fraction：100 parts of PVC powder, 33 parts of dual-component polyurethane elastomer, plant 135 parts of fibres, three（Dioctyl pyrophosphoryl epoxide）9 parts of isopropyl titanate, 35 parts of plasticizer, 8 parts of heat stabilizer and lubricant 2 Part.
A kind of preparation method of three layers of Wood-plastic floor, specifically includes following steps：
（1）The preparation method of floor top layer：PVC powder and flame-retardant plasticizer are placed in high-speed kneading machine, stirring 10min is increased Modeling is handled；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, When drying 6 is small in 80 DEG C of baking ovens, modified plant fiber is obtained；Will be plasticized processing PVC powder, modification plant fiber, double groups Part polyurethane elastomer, heat stabilizer, antioxidant, age resister and colouring agent are put into high speed mixer together, and machinery is mixed After closing 15min, then put into and plate is made in extruder at 155 DEG C；
（2）The preparation method in floor middle level：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Glass fibre is added in Silane coupling agent KH550, stirring makes it after mixing, and dry 6 is small in 80 DEG C of baking ovens When, obtain modified glass fibre；The PVC powder of processing will be plasticized, glass fibre, heat stabilizer and the lubricant of modification are thrown together Enter into high speed mixer, after mechanical mixture 15min, then put into and plate is made in extruder at 163 DEG C；
（3）The preparation method of floor bottom：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, at 80 DEG C When drying 6 is small in baking oven, modified plant fiber is obtained；The PVC powder for being plasticized processing, the plant fiber of modification, two-component are gathered Urethane elastomer, heat stabilizer and lubricant are put into high speed mixer together, after mechanical mixture 15min, then are put into crowded Go out and plate is made in machine at 158 DEG C；
（4）Composite molding：Floor bottom, floor middle level and floor top layer made from above-mentioned steps are laid with successively, and 180 DEG C, it is hot-forming under 25MPa, three layers of Wood-plastic floor is made.
Comparative example 1
A kind of three layers of Wood-plastic floor, are made of floor bottom, floor middle level and floor top layer；
The floor top layer is made by the raw material of following mass fraction：100 parts of PVC powder, 90 parts of plant fiber, three（Dioctyl is burnt Phosphinylidyne epoxide）7 parts of isopropyl titanate, 25 parts of flame-retardant plasticizer, 4 parts of heat stabilizer, 2 parts of antioxidant, 2 parts of age resister and coloring 1 part of agent；The flame-retardant plasticizer is 2 in mass ratio by chlorinated paraffin -70 and tetrabromophthalate:1 composition；
The floor middle level is made by the raw material of following mass fraction：100 parts of PVC powder, 50 parts of glass fibre, silane coupling agent 2 parts of 4 parts of KH550,18 parts of plasticizer, 5 parts of heat stabilizer and lubricant；
The floor bottom is made by the raw material of following mass fraction：100 parts of PVC powder, 135 parts of plant fiber, three（Dioctyl is burnt Phosphinylidyne epoxide）2 parts of 9 parts of isopropyl titanate, 35 parts of plasticizer, 8 parts of heat stabilizer and lubricant.
The processing technology of the Wood-plastic floor is same as the previously described embodiments, is using extrusion, hot-forming method.
Comparative example 2
A kind of three layers of Wood-plastic floor, are made of floor bottom, floor middle level and floor top layer；
The floor top layer is made by the raw material of following mass fraction：100 parts of PVC powder, 25 parts of polyurethane elastomer, plant fiber 90 parts, three（Dioctyl pyrophosphoryl epoxide）7 parts of isopropyl titanate, 25 parts of flame-retardant plasticizer, 4 parts of heat stabilizer, 2 parts of antioxidant, 1 part of 2 parts of age resister and colouring agent；The flame-retardant plasticizer presses quality by chlorinated paraffin -70 and tetrabromophthalate Than for 2:1 composition；
The floor middle level is made by the raw material of following mass fraction：100 parts of PVC powder, 50 parts of glass fibre, silane coupling agent 2 parts of 4 parts of KH550,18 parts of plasticizer, 5 parts of heat stabilizer and lubricant；
The floor bottom is made by the raw material of following mass fraction：100 parts of PVC powder, 33 parts of polyurethane elastomer, plant fiber 135 parts, three（Dioctyl pyrophosphoryl epoxide）2 parts of 9 parts of isopropyl titanate, 35 parts of plasticizer, 8 parts of heat stabilizer and lubricant.
The method for preparing polyurethane elastic body is：Count in parts by weight, under nitrogen protection, by 25 parts of polyethylene glycol Mixed with 38 parts of isophorone diisocyanate, 1.2 parts of tin catalyst is then added, with 35r/min's under 80 DEG C of constant temperature After speed stirring reaction 2h, add 1 part of small molecule chain extender reacting ethylenediamine 30min and obtain base polyurethane prepolymer for use as；In 80 DEG C of perseverances Under temperature, 1 part of crosslinking agent trimethylolpropane is added, stirring reaction 2.5h, cools down and the polyurethane elastomer is made.
The processing technology of the Wood-plastic floor is same as the previously described embodiments, is using extrusion, hot-forming method.
Performance test：
With reference to Wood-plastic floor standard GB/T/T24508-2009, above-described embodiment and comparative example are processed into standard sample Bar, to its counter-bending breaking load, wearability, compression strength, drying shrinkage value, room temperature ball falling impact, falling ball impact test at low temperature, resistance to Cold cycling, freeze-thaw resistance, oxygen index (OI), barrier are tested, and the results are shown in Table 1.
The performance of 1 Wood-plastic floor of table
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent are with repairing Decorations, should all belong to the covering scope of the present invention.

Claims (3)

  1. A kind of 1. three layers of Wood-plastic floor, it is characterised in that：The Wood-plastic floor is by floor bottom, floor middle level and floor top layer group Into；
    The floor top layer is made by the raw material of following mass fraction：100 parts of PVC powder, dual-component polyurethane elastomer 22 ~ 28 Part, 80 ~ 100 parts of plant fiber, three（Dioctyl pyrophosphoryl epoxide）6 ~ 8 parts of isopropyl titanate, 20 ~ 30 parts of flame-retardant plasticizer, heat 0.5 ~ 1.5 part of 3 ~ 5 parts of stabilizer, 1 ~ 3 part of antioxidant, 1 ~ 3 part of age resister and colouring agent；
    The floor middle level is made by the raw material of following mass fraction：It is 100 parts of PVC powder, 40 ~ 60 parts of glass fibre, silane coupled 1 ~ 3 part of 3 ~ 5 parts of agent KH550,15 ~ 20 parts of plasticizer, 4 ~ 6 parts of heat stabilizer and lubricant；
    The floor bottom is made by the raw material of following mass fraction：100 parts of PVC powder, dual-component polyurethane elastomer 30 ~ 35 Part, 120 ~ 150 parts of plant fiber, three（Dioctyl pyrophosphoryl epoxide）8 ~ 10 parts of isopropyl titanate, 30 ~ 40 parts of plasticizer, heat are steady Determine 1 ~ 3 part of 7 ~ 9 parts of agent and lubricant；
    The dual-component polyurethane method for producing elastomers is：Count in parts by weight, first by 25 parts of polyethylene glycol and 12 parts of oxygen Graphite alkene mixes, and after vacuum dehydration, under nitrogen protection, adds 38 parts of isophorone diisocyanate, then adds tin class 1.2 parts of catalyst, after reacting 2h under 80 DEG C of constant temperature with the speed stirring of 35r/min, adds 1 part of small molecule chain extender ethylenediamine Reaction 30min obtains base polyurethane prepolymer for use as；Under 80 DEG C of constant temperature, 1 part of crosslinking agent trimethylolpropane, stirring reaction are added 2.5h, cools down and the dual-component polyurethane elastomer is made.
  2. A kind of 2. three layers of Wood-plastic floor according to claim 1, it is characterised in that：The raw material composition of the floor top layer In, it by chlorinated paraffin -70 and tetrabromophthalate is (1.5 ~ 3) in mass ratio that flame-retardant plasticizer, which is,:1 composition.
  3. 3. a kind of prepare a kind of method of three layers of Wood-plastic floor as claimed in claim 1, it is characterised in that：Specifically include following Step：
    （1）The preparation method of floor top layer：PVC powder and flame-retardant plasticizer are placed in high-speed kneading machine, stirring 10min is increased Modeling is handled；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, When drying 6 is small in 80 DEG C of baking ovens, modified plant fiber is obtained；Will be plasticized processing PVC powder, modification plant fiber, double groups Part polyurethane elastomer, heat stabilizer, antioxidant, age resister and colouring agent are put into high speed mixer together, and machinery is mixed After closing 15min, then put into and plate is made in extruder at 145 ~ 165 DEG C；
    （2）The preparation method in floor middle level：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Glass fibre is added in Silane coupling agent KH550, stirring makes it after mixing, and dry 6 is small in 80 DEG C of baking ovens When, obtain modified glass fibre；The PVC powder of processing will be plasticized, glass fibre, heat stabilizer and the lubricant of modification are thrown together Enter into high speed mixer, after mechanical mixture 15min, then put into and plate is made in extruder at 155 ~ 170 DEG C；
    （3）The preparation method of floor bottom：PVC powder and plasticizer are placed in high-speed kneading machine, stirring 10min is carried out at plasticising Reason；Plant fiber is added to three（Dioctyl pyrophosphoryl epoxide）In isopropyl titanate, stirring makes it after mixing, at 80 DEG C When drying 6 is small in baking oven, modified plant fiber is obtained；The PVC powder for being plasticized processing, the plant fiber of modification, two-component are gathered Urethane elastomer, heat stabilizer and lubricant are put into high speed mixer together, after mechanical mixture 15min, then are put into crowded Go out and plate is made in machine at 150 ~ 168 DEG C；
    （4）Composite molding：Floor bottom, floor middle level and floor top layer made from above-mentioned steps are laid with successively, and 180 DEG C, it is hot-forming under 25MPa, three layers of Wood-plastic floor is made.
CN201711336223.5A 2017-12-14 2017-12-14 A kind of three layers of Wood-plastic floor and preparation method thereof Pending CN107901531A (en)

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* Cited by examiner, † Cited by third party
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CN110271073A (en) * 2019-05-13 2019-09-24 阜阳大可新材料股份有限公司 A kind of preparation method of 3D molded fiber plate
CN111424910A (en) * 2020-03-04 2020-07-17 江苏福瑞森塑木科技股份有限公司 Three-layer co-extrusion high-elastic anti-aging plastic-wood composite material plate and preparation method thereof

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CN103254400A (en) * 2013-05-20 2013-08-21 常州大学 Preparation method of graphene oxide/waterborne polyurethane nanometer composite material
CN103275416A (en) * 2013-05-27 2013-09-04 上海劲嘉建材科技有限公司 Wood-plastic floor and manufacturing method thereof
CN103627195A (en) * 2013-11-26 2014-03-12 大连环美科技集团有限公司 High-wear-resistance wood-plastic floor board and preparation method thereof
CN104130589A (en) * 2014-07-24 2014-11-05 武夷山市美华实业有限公司 Wood-plastic floorboard and manufacturing method

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Publication number Priority date Publication date Assignee Title
CN103254400A (en) * 2013-05-20 2013-08-21 常州大学 Preparation method of graphene oxide/waterborne polyurethane nanometer composite material
CN103275416A (en) * 2013-05-27 2013-09-04 上海劲嘉建材科技有限公司 Wood-plastic floor and manufacturing method thereof
CN103627195A (en) * 2013-11-26 2014-03-12 大连环美科技集团有限公司 High-wear-resistance wood-plastic floor board and preparation method thereof
CN104130589A (en) * 2014-07-24 2014-11-05 武夷山市美华实业有限公司 Wood-plastic floorboard and manufacturing method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110271073A (en) * 2019-05-13 2019-09-24 阜阳大可新材料股份有限公司 A kind of preparation method of 3D molded fiber plate
CN111424910A (en) * 2020-03-04 2020-07-17 江苏福瑞森塑木科技股份有限公司 Three-layer co-extrusion high-elastic anti-aging plastic-wood composite material plate and preparation method thereof

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