CN107286468A - A kind of Wood-plastic floor preparation method of high load - Google Patents
A kind of Wood-plastic floor preparation method of high load Download PDFInfo
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- CN107286468A CN107286468A CN201710554228.9A CN201710554228A CN107286468A CN 107286468 A CN107286468 A CN 107286468A CN 201710554228 A CN201710554228 A CN 201710554228A CN 107286468 A CN107286468 A CN 107286468A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/102—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of fibrous or chipped materials, e.g. bonded with synthetic resins
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- C—CHEMISTRY; METALLURGY
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- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention discloses a kind of Wood-plastic floor preparation method of high load, comprise the following steps：PP GRANULES is sent into batch mixer, heating stirring, addition talcum powder, calcinated argil, titanate coupling agent, chlorinated paraffin, lubricant, UV absorbers, antioxidant continue stirring and obtains prefabricated material；Prefabricated material, wood powder are well mixed, in feeding extruder, ceramic fibre, nylon fiber are added thereto from the side spout of extruder, are blended, extrusion molding obtains the Wood-plastic floor of high load.Modification of chitosan is prepared using following technique：Dissolve the chitosan in aqueous citric acid solution; aqueous citric acid solution pH value is 34, adds ammonium persulfate, heating stirring; it is 10 11 with sodium hydroxide regulation system pH value; cooling, is added dropwise oxirane stirring, freeze-drying; polyvinyl alcohol, oxalic acid is added to be well mixed; taurine is added, heating stirring, dehydration obtains modification of chitosan.
Description
Technical field
The present invention relates to the Wood-plastic floor preparation method of Wood-plastic floor technical field, more particularly to a kind of high load
Background technology
At present, in house ornamentation ornament materials there be much the species on floor, mainly has by materials classification：Solid wooden floor board, reinforcing are multiple
Conjunction timber floor, solid wooden compound floor, bamboo-wood floor, cork flooring etc., but either solid wooden floor board, composite floor board or bamboo and wood
Floor is all non-moistureproof, and water breakthrough, which is just easily swollen, causes deformation, and the place changed greatly in humidity, which uses all exist for a long time, goes mouldy
The problems such as.Current house ornamentation market occurs in that novel floor material --- plastic-wood floor, it has the Waterproof corrosion and wood of plastics concurrently
The texture of material, service life can reach more than 10 years, be not likely to produce crackle, not fugitive color, will not moisture absorption and deformation, but when modeling wood ground
When the content of timber is excessive in plate, it is easily caused that load-carrying ability is poor, anti-wear performance can not meet demand.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of Wood-plastic floor preparation method of high load,
Gained Wood-plastic floor load performance is excellent, and anti-wear performance is outstanding.
A kind of Wood-plastic floor preparation method of high load proposed by the present invention, comprises the following steps：
S1, by PP GRANULES send into batch mixer in, heating stirring, add talcum powder, calcinated argil, titanate coupling agent, chlorine
Fossil waxes, lubricant, UV absorbers, antioxidant continue stirring and obtain prefabricated material；
S2, prefabricated material, wood powder be well mixed, in feeding extruder, by ceramic fibre, nylon fiber from the side feeding of extruder
Mouth is added thereto, and is blended, and extrusion molding obtains the Wood-plastic floor of high load.
Preferably, in S1,100-120 parts of PP GRANULESs are sent into batch mixer by weight, heating stirring adds 6-
12 parts of talcum powder, 10-20 parts of calcinated argils, 4-6 parts of titanate coupling agents, 2-4 parts of chlorinated paraffins, 2-4 parts of lubricants, 2-4 parts
UV absorbers, 2-4 parts of antioxidant continue stirring and obtain prefabricated material.
Preferably, in S1,100-120 parts of PP GRANULESs is sent into batch mixer by weight, 190-200 is warming up to
DEG C, 40-60min is stirred, 6-12 parts of talcum powder, 10-20 parts of calcinated argils, 4-6 parts of titanate coupling agents, 2-4 parts of chlorinations are added
Paraffin, 2-4 part lubricant, 2-4 parts of UV absorbers, 2-4 parts of antioxidant continue to stir 4-8h, obtain prefabricated material.
Preferably, in S2,5-15 parts of modification of chitosan, 100 parts of prefabricated material, 40-50 parts of wood powders are mixed equal by weight
It is even, in feeding extruder, 10-14 parts of ceramic fibres, 12-18 parts of nylon fibers are added thereto from the side spout of extruder,
Blending, extrusion molding obtains the Wood-plastic floor of high load.
Preferably, in S2,5-15 parts of modification of chitosan, 100 parts of prefabricated material, 40-50 parts of wood powders are mixed equal by weight
It is even, in feeding extruder, 10-14 parts of ceramic fibres, 12-18 parts of nylon fibers are added thereto from the side spout of extruder,
Blending, extrusion molding obtains the Wood-plastic floor of high load, and the wherein rotating speed of extruder is 200-300rpm, and extrusion pressure is 15-
18MPa, head temperature is 260-280 DEG C.
Preferably, in S2, modification of chitosan is prepared using following technique：Dissolve the chitosan in aqueous citric acid solution,
Aqueous citric acid solution pH value is 3-4, adds ammonium persulfate, heating stirring, is 10-11 with sodium hydroxide regulation system pH value, drop
Temperature, is added dropwise oxirane stirring, and freeze-drying adds polyvinyl alcohol, oxalic acid and is well mixed, and adds taurine, and heating stirring takes off
Water obtains modification of chitosan.
Preferably, in S2, modification of chitosan is prepared using following technique：2-4 parts of chitosans are dissolved in 32- by weight
In 36 parts of aqueous citric acid solutions, aqueous citric acid solution pH value is 3-4, adds 1-1.4 parts of ammonium persulfates, and hydrogen-oxygen is used in heating stirring
It is 10-11 to change sodium regulation system pH value, and 2-4 parts of oxirane stirrings are added dropwise in cooling, and freeze-drying adds 10-20 parts of polyethylene
Alcohol, 4-6 part oxalic acid are well mixed, and add 2-4 parts of taurines, and heating stirring, dehydration obtains modification of chitosan.
Preferably, in S2, modification of chitosan is prepared using following technique：2-4 parts of chitosans are dissolved in 32- by weight
In 36 parts of aqueous citric acid solutions, aqueous citric acid solution pH value is 3-4, adds 1-1.4 parts of ammonium persulfates, is warming up to 80-90 DEG C and stirs
4-8h is mixed, is 10-11 with sodium hydroxide regulation system pH value, 2-4 DEG C is cooled to, 2-4 parts of oxirane stirring 30-50h are added dropwise,
Mixing speed is 2000-3000r/min, freeze-drying, adds 10-20 parts of polyvinyl alcohol, 4-6 parts of oxalic acid and is well mixed, adds
2-4 parts of taurines, are warming up to 150-160 DEG C of stirring 4-6h, and dehydration obtains modification of chitosan.
The present invention is dissolved the chitosan in aqueous citric acid solution, in the basic conditions the hydroxyl on its C-6 and epoxy second
Alkane carries out ethoxyl etherification, and not only toxicity is low, and further in polyvinyl alcohol, coordinates and add oxalic acid, taurine progress
Esterification, product has excellent smooth diffusion lubricity, makes after extrusion molding of the present invention that stripping result is good, and surface is smooth
Degree, wearability is fabulous, while safety and environmental protection, it is adaptable to Wood-plastic floor；Other product can effectively promote prefabricated material and wood powder abundant
Scattered, prefabricated material can effectively be coated to wood powder, make load-carrying ability of the present invention high, and impact strength is good with stability, and
Ceramic fibre, the nylon fiber of addition, make the present invention not only lightweight, and absorbing damping property is superior, endurance, antifriction
Wipe, it is wear-resistant, while to the strong adaptability of environmental condition cataclysm, the mechanical property of product is greatly enhanced, and fire resistance is extremely excellent
It is different；Coordinate and add appropriate UV absorbers, antioxidant for main stabilizer, can effectively prevent and delay the aging of product, prolong
The service life of long product, synergy, significantly extension product service life are produced with chlorinated paraffin；Add appropriate titanate esters even
Join agent, using talcum powder, calcinated argil as filling reinforcing agent, further enhance the load-carrying ability and wearability of product, product
Cost is reduced.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of Wood-plastic floor preparation method of high load proposed by the present invention, comprises the following steps：
S1, by PP GRANULES send into batch mixer in, heating stirring, add talcum powder, calcinated argil, titanate coupling agent, chlorine
Fossil waxes, lubricant, UV absorbers, antioxidant continue stirring and obtain prefabricated material；
S2, prefabricated material, wood powder be well mixed, in feeding extruder, by ceramic fibre, nylon fiber from the side feeding of extruder
Mouth is added thereto, and is blended, and extrusion molding obtains the Wood-plastic floor of high load.
Embodiment 2
A kind of Wood-plastic floor preparation method of high load proposed by the present invention, comprises the following steps：
S1,100 parts of PP GRANULESs are sent into batch mixers by weight, be warming up to 200 DEG C, stir 40min, add 12 parts of cunnings
Stone flour, 10 parts of calcinated argils, 6 parts of titanate coupling agents, 2 parts of chlorinated paraffins, 4 parts of lubricants, 2 parts of UV absorbers, 4 parts resist
Oxygen agent continues to stir 4h, obtains prefabricated material；
S2,15 parts of modification of chitosan, 100 parts of prefabricated material, 50 parts of wood powders are well mixed by weight, will in feeding extruder
10 parts of ceramic fibres, 18 parts of nylon fibers are added thereto from the side spout of extruder, and blending, extrusion molding obtains high load
The rotating speed of Wood-plastic floor, wherein extruder is 200rpm, and extrusion pressure is 18MPa, and head temperature is 260 DEG C.
Embodiment 3
A kind of Wood-plastic floor preparation method of high load proposed by the present invention, comprises the following steps：
S1,120 parts of PP GRANULESs are sent into batch mixers by weight, be warming up to 190 DEG C, stir 60min, add 6 parts of cunnings
Stone flour, 20 parts of calcinated argils, 4 parts of titanate coupling agents, 4 parts of chlorinated paraffins, 2 parts of lubricants, 4 parts of UV absorbers, 2 parts resist
Oxygen agent continues to stir 8h, obtains prefabricated material；
S2,5 parts of modification of chitosan, 100 parts of prefabricated material, 40 parts of wood powders are well mixed by weight, in feeding extruder, by 14
Part ceramic fibre, 12 parts of nylon fibers are added thereto from the side spout of extruder, are blended, and extrusion molding obtains the wood of high load
Floor is moulded, the wherein rotating speed of extruder is 300rpm, and extrusion pressure is 15MPa, and head temperature is 280 DEG C.
Modification of chitosan is prepared using following technique：Dissolve the chitosan in aqueous citric acid solution, aqueous citric acid solution
PH value is 3-4, adds ammonium persulfate, heating stirring, is 10-11 with sodium hydroxide regulation system pH value, epoxy second is added dropwise in cooling
Alkane is stirred, freeze-drying, is added polyvinyl alcohol, oxalic acid and is well mixed, and adds taurine, and heating stirring, dehydration obtains being modified shell
Glycan.
Embodiment 4
A kind of Wood-plastic floor preparation method of high load proposed by the present invention, comprises the following steps：
S1,105 parts of PP GRANULESs are sent into batch mixers by weight, be warming up to 198 DEG C, stir 45min, add 10 parts of cunnings
Stone flour, 12 parts of calcinated argils, 5.5 parts of titanate coupling agents, 2.5 parts of chlorinated paraffins, 3.5 parts of lubricants, 2.5 parts of UV Absorptions
Agent, 3.5 parts of antioxidant continue to stir 5h, obtain prefabricated material；
S2,12 parts of modification of chitosan, 100 parts of prefabricated material, 48 parts of wood powders are well mixed by weight, will in feeding extruder
11 parts of ceramic fibres, 16 parts of nylon fibers are added thereto from the side spout of extruder, and blending, extrusion molding obtains high load
The rotating speed of Wood-plastic floor, wherein extruder is 220rpm, and extrusion pressure is 17MPa, and head temperature is 265 DEG C.
Modification of chitosan is prepared using following technique：3 parts of chitosans are dissolved in 35 parts of aqueous citric acid solutions by weight
In, aqueous citric acid solution pH value is 3-4, adds 1.2 parts of ammonium persulfates, and heating stirring is with sodium hydroxide regulation system pH value
3 parts of oxirane stirrings are added dropwise in 10-11, cooling, and freeze-drying adds 15 parts of polyvinyl alcohol, 5 parts of oxalic acid and is well mixed, adds
3 parts of taurines, heating stirring, dehydration obtains modification of chitosan.
Embodiment 5
A kind of Wood-plastic floor preparation method of high load proposed by the present invention, comprises the following steps：
S1,115 parts of PP GRANULESs are sent into batch mixers by weight, be warming up to 192 DEG C, stir 55min, add 8 parts of cunnings
Stone flour, 18 parts of calcinated argils, 4.5 parts of titanate coupling agents, 3.5 parts of chlorinated paraffins, 2.5 parts of lubricants, 3.5 parts of UV Absorptions
Agent, 2.5 parts of antioxidant continue to stir 7h, obtain prefabricated material；
S2,8 parts of modification of chitosan, 100 parts of prefabricated material, 42 parts of wood powders are well mixed by weight, in feeding extruder, by 13
Part ceramic fibre, 14 parts of nylon fibers are added thereto from the side spout of extruder, are blended, and extrusion molding obtains the wood of high load
Floor is moulded, the wherein rotating speed of extruder is 280rpm, and extrusion pressure is 16MPa, and head temperature is 275 DEG C.
Modification of chitosan is prepared using following technique：2 parts of chitosans are dissolved in 36 parts of aqueous citric acid solutions by weight
In, aqueous citric acid solution pH value is 3-4, adds 1 part of ammonium persulfate, is warming up to 90 DEG C of stirring 4h, uses sodium hydroxide regulation system
PH value is 10-11, is cooled to 4 DEG C, 2 parts of oxirane stirring 50h is added dropwise, mixing speed is 2000r/min, freeze-drying, plus
Enter 20 parts of polyvinyl alcohol, 4 parts of oxalic acid to be well mixed, add 4 parts of taurines, be warming up to 150 DEG C of stirring 6h, dehydration obtains being modified shell
Glycan.
Embodiment 6
A kind of Wood-plastic floor preparation method of high load proposed by the present invention, comprises the following steps：
S1,110 parts of PP GRANULESs are sent into batch mixers by weight, be warming up to 195 DEG C, stir 50min, add 9 parts of cunnings
Stone flour, 15 parts of calcinated argils, 5 parts of titanate coupling agents, 3 parts of chlorinated paraffins, 3 parts of lubricants, 3 parts of UV absorbers, 3 parts resist
Oxygen agent continues to stir 6h, obtains prefabricated material；
S2,10 parts of modification of chitosan, 100 parts of prefabricated material, 45 parts of wood powders are well mixed by weight, will in feeding extruder
12 parts of ceramic fibres, 15 parts of nylon fibers are added thereto from the side spout of extruder, and blending, extrusion molding obtains high load
The rotating speed of Wood-plastic floor, wherein extruder is 250rpm, and extrusion pressure is 16.5MPa, and head temperature is 270 DEG C.
Modification of chitosan is prepared using following technique：4 parts of chitosans are dissolved in 32 parts of aqueous citric acid solutions by weight
In, aqueous citric acid solution pH value is 3-4, adds 1.4 parts of ammonium persulfates, is warming up to 80 DEG C of stirring 8h, body is adjusted with sodium hydroxide
It is that pH value is 10-11, is cooled to 2 DEG C, 4 parts of oxirane stirring 30h is added dropwise, mixing speed is 3000r/min, freeze-drying,
Add 10 parts of polyvinyl alcohol, 6 parts of oxalic acid to be well mixed, add 2 parts of taurines, be warming up to 160 DEG C of stirring 4h, dehydration is modified
Chitosan.
Comparative example 1
Compared with Example 6, difference is：Modification of chitosan is changed to chitosan in S2, remaining raw material and step and embodiment 6
It is identical.
Comparative example 2
Compared with Example 6, difference is：Modification of chitosan is removed in S2, remaining raw material and step are same as Example 6.
Comparative example 3
A kind of preparation method of Wood-plastic floor, comprises the following steps：110 parts of PP GRANULESs, 45 parts of wood powders are mixed by weight
Close uniform, in feeding extruder, 12 parts of ceramic fibres, 15 parts of nylon fibers are added thereto from the side spout of extruder, altogether
Mixed, extrusion molding obtains the Wood-plastic floor of high load, and the wherein rotating speed of extruder is 250rpm, and extrusion pressure is 16.5MPa, machine
Head temperature is 270 DEG C.
Test example
Wood-plastic floor obtained by embodiment 4-6 and comparative example 1-3 is subjected to performance test, its result is as follows：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, it is any
Those familiar with the art the invention discloses technical scope in, technique according to the invention scheme and its invention
Design is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of Wood-plastic floor preparation method of high load, it is characterised in that comprise the following steps：
S1, by PP GRANULES send into batch mixer in, heating stirring, add talcum powder, calcinated argil, titanate coupling agent, chlorine
Fossil waxes, lubricant, UV absorbers, antioxidant continue stirring and obtain prefabricated material；
S2, prefabricated material, wood powder be well mixed, in feeding extruder, by ceramic fibre, nylon fiber from the side feeding of extruder
Mouth is added thereto, and is blended, and extrusion molding obtains the Wood-plastic floor of high load.
2. the Wood-plastic floor preparation method of high load according to claim 1, it is characterised in that in S1, by weight will
In 100-120 parts of PP GRANULES feeding batch mixers, heating stirring adds 6-12 parts of talcum powder, 10-20 parts of calcinated argils, 4-6
Part titanate coupling agent, 2-4 parts of chlorinated paraffins, 2-4 parts of lubricants, 2-4 parts of UV absorbers, 2-4 parts of antioxidant continue to stir
Mix and obtain prefabricated material.
3. the Wood-plastic floor preparation method of high load according to claim 1 or claim 2, it is characterised in that in S1, by weight will
In 100-120 parts of PP GRANULES feeding batch mixers, 190-200 DEG C is warming up to, 40-60min is stirred, 6-12 parts of talcums are added
Powder, 10-20 part calcinated argil, 4-6 parts of titanate coupling agents, 2-4 parts of chlorinated paraffins, 2-4 parts of lubricants, 2-4 parts of ultraviolet lights are inhaled
Receive agent, 2-4 parts of antioxidant to continue to stir 4-8h, obtain prefabricated material.
4. according to the Wood-plastic floor preparation method of any one of the claim 1-3 high loads, it is characterised in that in S2, by weight
5-15 parts of modification of chitosan, 100 parts of prefabricated material, 40-50 parts of wood powders are well mixed by amount part, in feeding extruder, by 10-14 parts
Ceramic fibre, 12-18 part nylon fiber are added thereto from the side spout of extruder, and blending, extrusion molding obtains high load
Wood-plastic floor.
5. according to the Wood-plastic floor preparation method of any one of the claim 1-4 high loads, it is characterised in that in S2, by weight
5-15 parts of modification of chitosan, 100 parts of prefabricated material, 40-50 parts of wood powders are well mixed by amount part, in feeding extruder, by 10-14 parts
Ceramic fibre, 12-18 part nylon fiber are added thereto from the side spout of extruder, and blending, extrusion molding obtains high load
The rotating speed of Wood-plastic floor, wherein extruder is 200-300rpm, and extrusion pressure is 15-18MPa, and head temperature is 260-280 DEG C.
6. it is modified according to the Wood-plastic floor preparation method of any one of the claim 1-5 high loads, it is characterised in that in S2
Chitosan is prepared using following technique：Dissolve the chitosan in aqueous citric acid solution, aqueous citric acid solution pH value is 3-4, plus
Enter ammonium persulfate, heating stirring, is 10-11 with sodium hydroxide regulation system pH value, cooling, oxirane stirring, freezing is added dropwise
Dry, add polyvinyl alcohol, oxalic acid and be well mixed, add taurine, heating stirring, dehydration obtains modification of chitosan.
7. it is modified according to the Wood-plastic floor preparation method of any one of the claim 1-6 high loads, it is characterised in that in S2
Chitosan is prepared using following technique：2-4 parts of chitosans are dissolved in 32-36 parts of aqueous citric acid solutions by weight, lemon
Aqueous acid pH value is 3-4, adds 1-1.4 parts of ammonium persulfates, heating stirring, is 10-11 with sodium hydroxide regulation system pH value,
Cooling, is added dropwise 2-4 parts of oxirane stirrings, and freeze-drying adds 10-20 parts of polyvinyl alcohol, 4-6 parts of oxalic acid and is well mixed, plus
Enter 2-4 parts of taurines, heating stirring, dehydration obtains modification of chitosan.
8. it is modified according to the Wood-plastic floor preparation method of any one of the claim 1-7 high loads, it is characterised in that in S2
Chitosan is prepared using following technique：2-4 parts of chitosans are dissolved in 32-36 parts of aqueous citric acid solutions by weight, lemon
Aqueous acid pH value is 3-4, adds 1-1.4 parts of ammonium persulfates, is warming up to 80-90 DEG C of stirring 4-8h, body is adjusted with sodium hydroxide
It is that pH value is 10-11, is cooled to 2-4 DEG C, 2-4 parts of oxirane stirring 30-50h is added dropwise, mixing speed is 2000-3000r/
Min, freeze-drying adds 10-20 parts of polyvinyl alcohol, 4-6 parts of oxalic acid and is well mixed, adds 2-4 parts of taurines, be warming up to 150-
160 DEG C of stirring 4-6h, dehydration obtains modification of chitosan.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112497710A (en) * | 2020-11-11 | 2021-03-16 | 江苏贝尔家居科技有限公司 | Double-screw extruder, PP floor and processing method thereof |
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| US20090286044A1 (en) * | 2008-05-14 | 2009-11-19 | Crostic Jr William H | Composite Wood Products and Methods for Manufacturing the Same |
| CN104995361A (en) * | 2014-01-27 | 2015-10-21 | 乐金华奥斯有限公司 | Flooring material and method for preparing same |
| CN105061851A (en) * | 2015-07-31 | 2015-11-18 | 山东理工大学 | Long fiber reinforced polyolefin wood-plastic composite material and preparation method thereof |
| CN106336574A (en) * | 2016-08-31 | 2017-01-18 | 金田集团（桐城）塑业有限公司 | BOPP film |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497710A (en) * | 2020-11-11 | 2021-03-16 | 江苏贝尔家居科技有限公司 | Double-screw extruder, PP floor and processing method thereof |
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