CN110951138A - Wood-plastic composite material for indoor ceiling - Google Patents
Wood-plastic composite material for indoor ceiling Download PDFInfo
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- CN110951138A CN110951138A CN201911196121.7A CN201911196121A CN110951138A CN 110951138 A CN110951138 A CN 110951138A CN 201911196121 A CN201911196121 A CN 201911196121A CN 110951138 A CN110951138 A CN 110951138A
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- parts
- wood
- plastic composite
- glass fiber
- drying
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- 239000000463 material Substances 0.000 title claims abstract description 148
- 229920001587 Wood-plastic composite Polymers 0.000 title claims abstract description 38
- 239000011155 wood-plastic composite Substances 0.000 title claims abstract description 38
- 239000003365 glass fiber Substances 0.000 claims abstract description 63
- 238000003756 stirring Methods 0.000 claims abstract description 46
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000001035 drying Methods 0.000 claims abstract description 41
- 238000001914 filtration Methods 0.000 claims abstract description 40
- 239000010902 straw Substances 0.000 claims abstract description 36
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 239000002023 wood Substances 0.000 claims abstract description 27
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 25
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 24
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 24
- 238000009832 plasma treatment Methods 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 20
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims abstract description 18
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000012975 dibutyltin dilaurate Substances 0.000 claims abstract description 18
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- NSKCTPBWPZPFHW-UHFFFAOYSA-N 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9-hexadecafluorodecane-1,10-diol Chemical compound OCC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CO NSKCTPBWPZPFHW-UHFFFAOYSA-N 0.000 claims abstract description 12
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 12
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 12
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 12
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 12
- 229910052900 illite Inorganic materials 0.000 claims abstract description 12
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000005011 phenolic resin Substances 0.000 claims abstract description 12
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 21
- 230000003078 antioxidant effect Effects 0.000 claims description 21
- -1 polyethylene Polymers 0.000 claims description 21
- 239000004698 Polyethylene Substances 0.000 claims description 20
- 229920000573 polyethylene Polymers 0.000 claims description 20
- 235000013312 flour Nutrition 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 235000021355 Stearic acid Nutrition 0.000 claims description 12
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 12
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 12
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 12
- 239000008117 stearic acid Substances 0.000 claims description 12
- 241000196324 Embryophyta Species 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 10
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- MMNLHUHQFDVPSQ-UHFFFAOYSA-N N=C=O.CCO[Si](OCC)(OCC)C(C)C Chemical compound N=C=O.CCO[Si](OCC)(OCC)C(C)C MMNLHUHQFDVPSQ-UHFFFAOYSA-N 0.000 claims description 8
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 claims description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 240000006394 Sorghum bicolor Species 0.000 claims description 7
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 241000219000 Populus Species 0.000 claims description 6
- 235000021307 Triticum Nutrition 0.000 claims description 6
- 244000166124 Eucalyptus globulus Species 0.000 claims description 5
- 241000124033 Salix Species 0.000 claims description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 4
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 2
- 241000218645 Cedrus Species 0.000 claims 1
- 244000098338 Triticum aestivum Species 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 abstract description 12
- 230000032683 aging Effects 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000002791 soaking Methods 0.000 description 7
- 239000004322 Butylated hydroxytoluene Substances 0.000 description 6
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 229940095259 butylated hydroxytoluene Drugs 0.000 description 6
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 6
- 241000209140 Triticum Species 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 241000218691 Cupressaceae Species 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Classifications
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a wood-plastic composite material for an indoor ceiling, which comprises the following raw materials: high-density polyethylene, plant straws, wood powder, surface modified glass fiber, rare earth phenolic resin, nano calcium carbonate, illite, kaolin, a compatilizer and a lubricant; the surface modified glass fiber is prepared by the following process: uniformly mixing glass fiber and hydrogen peroxide, reacting at 95-100 ℃, filtering and drying to obtain a material A, uniformly mixing with isocyanatopropyltriethoxysilane and ethanol, reacting at 72-78 ℃, filtering and drying to obtain a material B, uniformly mixing with 1H,1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, stirring uniformly, heating to 40-45 ℃ under the protection of nitrogen, adding diethylenetriamine, reacting, filtering, washing and drying to obtain a material C; and (3) performing low-temperature plasma treatment on the material C, immersing the material C into a rare earth solution, standing, filtering, washing and drying.
Description
Technical Field
The invention relates to the technical field of wood-plastic materials, in particular to a wood-plastic composite material for an indoor ceiling.
Background
The wood-plastic composite material is prepared by using thermoplastic plastics such as polyethylene, polypropylene, polyvinyl chloride, polystyrene and the like and wood powder such as wood powder, plant straw powder, plant seed shells and the like as raw materials through extrusion, injection molding and compression molding, has the double characteristics of wood and plastic, has the advantages of difficult deformation and cracking, insect-damage and mildew prevention, high mechanical property, light weight, moisture resistance, acid and alkali resistance, corrosion resistance and the like compared with the wood material, is an ideal substitute of wood and plastic, and is widely used as a suspended ceiling material of home furnishings at present. Along with the development of economy, the living standard of people is improved, the requirements of people on living quality and living environment are higher and higher, and the performance requirements of ceiling materials are also higher and higher. Although the existing wood-plastic composite material has the characteristic of moisture resistance, the conditions of moisture absorption, softening, deformation and the like can also occur when the wood-plastic composite material is used in certain humid environments for a long time, so that the performance of the wood-plastic composite material is greatly reduced, the service life of the wood-plastic composite material is shortened, and the market requirements cannot be met.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a wood-plastic composite material for an indoor ceiling, which has the advantages of excellent mechanical property, good waterproofness, high heat resistance and aging resistance and long service life.
The invention provides a wood-plastic composite material for an indoor ceiling, which comprises the following raw materials in parts by weight: 35-48 parts of high-density polyethylene, 30-55 parts of plant straw, 20-45 parts of wood powder, 5-13 parts of surface modified glass fiber, 1-3 parts of rare earth phenolic resin, 1-5 parts of nano calcium carbonate, 3-7.5 parts of illite, 2-5 parts of kaolin, 2-3.5 parts of compatilizer and 1.5-3 parts of lubricant;
the surface modified glass fiber is prepared according to the following process: uniformly mixing glass fiber and hydrogen peroxide, stirring and reacting for 4-5.5h at 95-100 ℃, filtering and drying to obtain a material A; uniformly mixing the material A, the isopropyltriethoxysilane isocyanate and the ethanol, stirring and reacting for 5.5-8h at 72-78 ℃, filtering and drying to obtain a material B; uniformly mixing the material B, 1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, uniformly stirring, heating to 40-45 ℃ under the protection of nitrogen, stirring for reaction for 3.5-5.5H, adding diethylenetriamine, stirring for reaction for 2-3.5H, filtering, washing and drying to obtain a material C; and (3) performing low-temperature plasma treatment on the material C, then immersing the material C into a rare earth solution for standing, filtering, washing and drying to obtain the surface modified glass fiber.
Preferably, the plant straw is one or a mixture of more of wheat straw, cotton straw, rape straw, reed straw and sorghum straw.
Preferably, the wood flour is one or a mixture of more of salix mongolica wood flour, poplar wood flour, eucalyptus wood flour and cypress wood flour.
Preferably, the compatilizer is one or a mixture of maleic anhydride grafted polyethylene and acrylic acid grafted polyethylene.
Preferably, the lubricant is a mixture of stearic acid, polyethylene wax and pentaerythritol stearate, and the weight ratio of stearic acid, polyethylene wax and pentaerythritol stearate is 4-10: 1-4: 3-8.
Preferably, the raw materials also comprise 0.8 to 2 weight parts of antioxidant; the antioxidant is a mixture of one or more of antioxidant 1010, antioxidant 168 and antioxidant BHT and antioxidant 1076.
Preferably, in the preparation process of the surface modified glass fiber, the mass concentration of the hydrogen peroxide is 8-12%, and the mass volume ratio of the glass fiber to the hydrogen peroxide is 1: 22-28 g/ml; the weight ratio of the material A to the isopropyltriethoxysilane isocyanate is 1: 4-10; the mass-volume ratio of the material A to the ethanol is 1: 20-30 g/ml; the weight ratio of the material B to the material 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to diethylenetriamine is 1: 2-3.5: 4-8.5; the mass volume ratio of the material B to the 1, 4-dioxane is 1: 10-20 g/ml; the weight ratio of 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to dibutyltin dilaurate is 100: 0.3-0.5.
Preferably, in the preparation process of the surface modified glass fiber, the time of the low-temperature plasma treatment is 1.5-3.5min, and the discharge power of the low-temperature plasma treatment is 55-70W.
Preferably, during the preparation of the surface modified glass fiber, the rare earth solution is lanthanum chloride aqueous solution, and the concentration thereof is 0.6-1 mol/L.
Preferably, the time for immersing in the rare earth solution to stand is 70-130min during the preparation process of the surface modified glass fiber.
Preferably, the particle size of the wood flour is 60-100 mesh.
Preferably, the glass fiber has a length of 30 to 45 μm and a diameter of 10 to 12 μm.
Preferably, the length-diameter ratio of the plant straws is 12-15.
According to the indoor ceiling wood-plastic composite material, in the raw materials, high-density polyethylene is used as a plastic matrix, plant straws and wood powder are used as plant raw materials, and surface modified glass fiber, rare earth phenolic resin, nano calcium carbonate, illite and kaolin are added for matching, so that the synergistic effect of the raw materials is exerted, and the obtained wood-plastic composite material has the advantages of excellent mechanical property, good waterproofness, high heat resistance and aging resistance and long service life; specifically, the added rare earth phenolic resin can generate stronger crosslinking reaction with a high-density polyethylene matrix, so that the crosslinking density and the uniformity of distribution of crosslinking bonds in the composite material are increased, and the water resistance and the corrosion resistance of the composite material are effectively improved; the preparation method comprises the steps of firstly, taking the glass fiber and hydrogen peroxide as raw materials, controlling reaction conditions to react the glass fiber and the hydrogen peroxide to obtain hydroxylated glass fiber, namely a material A, then taking the material A as the raw material and mixing the material A with isocyanatopropyltriethoxysilane to react with the isocyanatopropyltriethoxysilane, introducing the isocyanatopropyltriethoxysilane to the surface of the material A to obtain a material B with isocyanato on the surface, then taking the materials B, 1H,10H, 10H-perfluoro-1, 10-decanediol as the raw materials, reacting the materials under the action of dibutyltin dilaurate, and introducing fluorine and hydroxyl to the surface of the material B, adding diethylenetriamine to obtain a material C with the surface being blocked by amino, then carrying out low-temperature plasma treatment to etch the surface of the fiber, increasing the specific surface area of the fiber, changing the surface chemical composition of the fiber, immersing the fiber in a rare earth solution for standing, enabling the rare earth to be coordinated with the amino on the surface of the fiber and an introduced oxygen-containing group, adsorbing the fiber on the surface of the glass fiber through chemical bonding and physical action, improving the surface property of the glass fiber, adding the fiber into a system, dispersing the fiber uniformly in the system, matching with a compatilizer to improve the compatibility of a matrix, improving the mechanical properties of the composite material such as tensile strength, bending strength, impact strength and the like, simultaneously introducing fluorine elements and rare earth elements, and playing an excellent synergistic action after matching with nano calcium carbonate, illite and kaolin to endow the composite material with excellent waterproofness, Thermal stability and resistance to ageing.
The performance of the wood-plastic composite material for the indoor ceiling is detected, the tensile property is tested according to GB/T1040-92, the impact strength is tested according to GB/T1043-93, the bending strength is tested according to GB/T9341-; according to the requirements of GB/T7141-2008, a heat aging test is carried out in an electric heating constant temperature blast drying oven, and the aging temperatureThe temperature is 90 ℃ and the time is 100 h; placing the wood-plastic composite material in water, soaking for 24h, testing the weight of the wood-plastic composite material before and after soaking, and calculating the water absorption rate; the results are shown below: the tensile strength is more than or equal to 36.9MPa, and the impact strength is more than or equal to 9.7KJ/m2The bending strength is more than or equal to 26.7MPa, and the water absorption is less than or equal to 0.47 percent; the retention rate of tensile strength after aging is not less than 89.58%, and the retention rate of impact strength is not less than 91.13%.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
Example 1
A wood-plastic composite material for indoor suspended ceilings comprises the following raw materials in parts by weight: 48 parts of high-density polyethylene, 32 parts of wheat straw, 8 parts of rape straw, 12 parts of poplar powder, 8 parts of eucalyptus powder, 8 parts of surface modified glass fiber, 1 part of rare earth phenolic resin, 3.2 parts of nano calcium carbonate, 3 parts of illite, 4 parts of kaolin, 2 parts of maleic anhydride grafted polyethylene, 0.8 part of stearic acid, 0.4 part of polyethylene wax and 0.8 part of pentaerythritol stearate;
the surface modified glass fiber is prepared according to the following process: uniformly mixing glass fiber and hydrogen peroxide, stirring and reacting for 5.5 hours at 95 ℃, filtering and drying to obtain a material A; uniformly mixing the material A, the isopropyltriethoxysilane isocyanate and the ethanol, stirring and reacting for 8 hours at 72 ℃, filtering and drying to obtain a material B; uniformly mixing the material B, 1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, uniformly stirring, heating to 40 ℃ under the protection of nitrogen, stirring for reaction for 5.5H, adding diethylenetriamine, stirring for reaction for 2H, filtering, washing and drying to obtain a material C; and (3) performing low-temperature plasma treatment on the material C, then immersing the material C into a rare earth solution for standing, filtering, washing and drying to obtain the surface modified glass fiber.
Example 2
A wood-plastic composite material for indoor suspended ceilings comprises the following raw materials in parts by weight: 35 parts of high-density polyethylene, 50 parts of plant straw, 45 parts of wood powder, 9 parts of surface modified glass fiber, 2.5 parts of rare earth phenolic resin, 3.8 parts of nano calcium carbonate, 5.8 parts of illite, 3.8 parts of kaolin, 2.8 parts of compatilizer, 2.1 parts of lubricant and 2 parts of antioxidant;
the plant straw is a mixture of wheat straw, cotton straw and sorghum straw, and the mass ratio of the wheat straw to the cotton straw to the sorghum straw is 1: 2: 2; the wood flour is a mixture of salix mongolica wood flour and poplar wood flour, and the mass ratio of the salix mongolica wood flour to the poplar wood flour is 3: 2; the compatilizer is a mixture of maleic anhydride grafted polyethylene and acrylic acid grafted polyethylene, and the mass ratio of the maleic anhydride grafted polyethylene to the acrylic acid grafted polyethylene is 1: 3; the lubricant is a mixture of stearic acid, polyethylene wax and pentaerythritol stearate, and the weight ratio of the stearic acid to the polyethylene wax to the pentaerythritol stearate is 4: 2: 4; the antioxidant is a mixture of antioxidant 1010, antioxidant BHT and antioxidant 1076, and the mass ratio of the antioxidant 1010 to the antioxidant 1076 is 2: 3: 5;
the surface modified glass fiber is prepared according to the following process: uniformly mixing glass fiber and hydrogen peroxide, stirring and reacting for 4.5 hours at the temperature of 99 ℃, filtering and drying to obtain a material A; uniformly mixing the material A, the isopropyltriethoxysilane isocyanate and the ethanol, stirring and reacting for 5.8 hours at 77 ℃, filtering and drying to obtain a material B; uniformly mixing the material B, 1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, uniformly stirring, heating to 44 ℃ under the protection of nitrogen, stirring for reaction for 5 hours, adding diethylenetriamine, stirring for reaction for 2.3 hours, filtering, washing and drying to obtain a material C; performing low-temperature plasma treatment on the material C for 2.5min, then immersing the material C into a rare earth solution, standing for 90min, filtering, washing and drying to obtain the surface modified glass fiber; wherein the mass concentration of the hydrogen peroxide is 11%, and the mass volume ratio of the glass fiber to the hydrogen peroxide is 1: 25 g/ml; the weight ratio of the material A to the isopropyltriethoxysilane isocyanate is 1: 7; the mass-volume ratio of the material A to the ethanol is 1: 28 g/ml; the weight ratio of the material B to the material 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to diethylenetriamine is 1: 2.8: 7; the mass volume ratio of the material B to the 1, 4-dioxane is 1: 18 g/ml; the weight ratio of 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to dibutyltin dilaurate is 100: 0.35; the discharge power of the low-temperature plasma treatment is 60W; the rare earth solution is a lanthanum chloride aqueous solution, and the concentration of the lanthanum chloride aqueous solution is 0.85 mol/L.
Example 3
A wood-plastic composite material for indoor suspended ceilings comprises the following raw materials in parts by weight: 35 parts of high-density polyethylene, 55 parts of wheat straw, 45 parts of salix mongolica wood powder, 13 parts of surface modified glass fiber, 3 parts of rare earth phenolic resin, 5 parts of nano calcium carbonate, 7.5 parts of illite, 5 parts of kaolin, 3.5 parts of maleic anhydride grafted polyethylene, 1.6 parts of stearic acid, 0.8 part of polyethylene wax, 0.6 part of pentaerythritol stearate, 1680.2 parts of antioxidant, 0.3 part of antioxidant BHT and 10760.3 parts of antioxidant;
the surface modified glass fiber is prepared according to the following process: uniformly mixing glass fibers with hydrogen peroxide with the mass concentration of 12%, wherein the mass volume ratio of the glass fibers to the hydrogen peroxide is 1: 25g/ml, stirring and reacting for 4 hours at 100 ℃, filtering and drying to obtain a material A; uniformly mixing a material A, isocyanatopropyl triethoxysilane and ethanol, wherein the weight ratio of the material A to the isocyanatopropyl triethoxysilane is 1: 4, the mass-volume ratio of the material A to the ethanol is 1: 26g/ml, stirring and reacting for 5.5h at 78 ℃, filtering and drying to obtain a material B; uniformly mixing a material B, 1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, uniformly stirring, heating to 45 ℃ under the protection of nitrogen, stirring for reacting for 3.5H, and adding diethylenetriamine, wherein the weight ratio of the material B, 1H,10H, 10H-perfluoro-1, 10-decanediol to diethylenetriamine is 1: 2: 7, the mass-volume ratio of the material B to the 1, 4-dioxane is 1: 10g/ml, and the weight ratio of 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to dibutyltin dilaurate is 100: 0.38, stirring for reaction for 2.5 hours, filtering, washing and drying to obtain a material C; and (3) carrying out low-temperature plasma treatment on the material C for 3.5min, wherein the discharge power of the low-temperature plasma treatment is 58W, then immersing the material C into a lanthanum chloride aqueous solution with the concentration of 1mol/L, standing for 130min, filtering, washing and drying to obtain the surface modified glass fiber.
Example 4
A wood-plastic composite material for indoor suspended ceilings comprises the following raw materials in parts by weight: 45 parts of high-density polyethylene, 22 parts of cotton straw, 8 parts of reed straw, 38 parts of poplar powder, 5 parts of surface modified glass fiber, 2.5 parts of rare earth phenolic resin, 1 part of nano calcium carbonate, 6 parts of illite, 2 parts of kaolin, 2.8 parts of acrylic acid grafted polyethylene, 1 part of stearic acid, 0.1 part of polyethylene wax, 0.8 part of pentaerythritol stearate, 10100.8 parts of antioxidant and 10761.2 parts of antioxidant;
the surface modified glass fiber is prepared according to the following process: uniformly mixing the glass fiber and 8% hydrogen peroxide by mass, wherein the mass volume ratio of the glass fiber to the hydrogen peroxide is 1: 28g/ml, stirring and reacting for 5 hours at 96 ℃, filtering and drying to obtain a material A; uniformly mixing a material A, isocyanatopropyl triethoxysilane and ethanol, wherein the weight ratio of the material A to the isocyanatopropyl triethoxysilane is 1: 10, the mass-volume ratio of the material A to the ethanol is 1: 30g/ml, stirring and reacting for 6.5h at 76 ℃, filtering and drying to obtain a material B; uniformly mixing a material B, 1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, uniformly stirring, heating to 42 ℃ under the protection of nitrogen, stirring for reacting for 4 hours, and adding diethylenetriamine, wherein the weight ratio of the material B, 1H,10H, 10H-perfluoro-1, 10-decanediol to diethylenetriamine is 1: 3.5: 8.5, the mass-volume ratio of the material B to the 1, 4-dioxane is 1: 20g/ml, and the weight ratio of 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to dibutyltin dilaurate is 100: 0.5, stirring for reaction for 3.5 hours, filtering, washing and drying to obtain a material C; and (3) carrying out low-temperature plasma treatment on the material C for 1.5min, wherein the discharge power of the low-temperature plasma treatment is 70W, then soaking the material C into a lanthanum chloride aqueous solution with the concentration of 0.6mol/L, standing for 70min, filtering, washing and drying to obtain the surface modified glass fiber.
Example 5
A wood-plastic composite material for indoor suspended ceilings comprises the following raw materials in parts by weight: 42 parts of high-density polyethylene, 37 parts of sorghum straws, 20 parts of eucalyptus powder, 13 parts of cypress powder, 9 parts of surface modified glass fibers, 2.3 parts of rare earth phenolic resin, 3.6 parts of nano calcium carbonate, 6 parts of illite, 4 parts of kaolin, 1 part of maleic anhydride grafted polyethylene, 1.7 parts of acrylic acid grafted polyethylene, 0.8 part of stearic acid, 0.6 part of polyethylene wax, 1.4 parts of pentaerythritol stearate, 1 part of antioxidant BHT and 10760.3 parts of antioxidant;
the surface modified glass fiber is prepared according to the following process: uniformly mixing glass fibers and hydrogen peroxide with the mass concentration of 10%, wherein the mass volume ratio of the glass fibers to the hydrogen peroxide is 1: 22g/ml, stirring and reacting for 4.3h at the temperature of 98 ℃, filtering and drying to obtain a material A; uniformly mixing a material A, isocyanatopropyl triethoxysilane and ethanol, wherein the weight ratio of the material A to the isocyanatopropyl triethoxysilane is 1: 7, the mass-volume ratio of the material A to the ethanol is 1: 20g/ml, stirring and reacting for 7 hours at 76 ℃, filtering and drying to obtain a material B; uniformly mixing a material B, 1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, uniformly stirring, heating to 43 ℃ under the protection of nitrogen, stirring for reacting for 4.2H, and adding diethylenetriamine, wherein the weight ratio of the material B, 1H,10H, 10H-perfluoro-1, 10-decanediol to diethylenetriamine is 1: 2.7: 4, the mass-volume ratio of the material B to the 1, 4-dioxane is 1: 17g/ml, and the weight ratio of 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to dibutyltin dilaurate is 100: 0.3, stirring for reaction for 2.7 hours, filtering, washing and drying to obtain a material C; and (3) carrying out low-temperature plasma treatment on the material C for 3min, wherein the discharge power of the low-temperature plasma treatment is 55W, then soaking the material C into a lanthanum chloride aqueous solution with the concentration of 0.7mol/L, standing for 120min, filtering, washing and drying to obtain the surface modified glass fiber.
Example 6
A wood-plastic composite material for indoor suspended ceilings comprises the following raw materials in parts by weight: 36 parts of high-density polyethylene, 20 parts of cotton straw, 20 parts of rape straw, 13 parts of sorghum straw, 42 parts of eucalyptus powder, 11 parts of surface modified glass fiber, 1.2 parts of rare earth phenolic resin, 1.7 parts of nano calcium carbonate, 4.2 parts of illite, 2.6 parts of kaolin, 3.1 parts of maleic anhydride grafted polyethylene, 0.7 part of stearic acid, 0.4 part of polyethylene wax, 0.4 part of pentaerythritol stearate, 10100.3 parts of antioxidant, 1680.8 parts of antioxidant, 0.2 part of BHT (butylated hydroxytoluene), and 10760.5 parts of antioxidant;
the surface modified glass fiber is prepared according to the following process: uniformly mixing the glass fiber and 9% hydrogen peroxide by mass, wherein the mass volume ratio of the glass fiber to the hydrogen peroxide is 1: 26g/ml, stirring and reacting for 5 hours at 96 ℃, filtering and drying to obtain a material A; uniformly mixing a material A, isocyanatopropyl triethoxysilane and ethanol, wherein the weight ratio of the material A to the isocyanatopropyl triethoxysilane is 1: 7, the mass-volume ratio of the material A to the ethanol is 1: 28g/ml, stirring and reacting for 7.5h at 73 ℃, filtering and drying to obtain a material B; uniformly mixing a material B, 1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, uniformly stirring, heating to 41 ℃ under the protection of nitrogen, stirring for reacting for 5.2H, and adding diethylenetriamine, wherein the weight ratio of the material B, 1H,10H, 10H-perfluoro-1, 10-decanediol to diethylenetriamine is 1: 2.6: 7, the mass-volume ratio of the material B to the 1, 4-dioxane is 1: 16g/ml, and the weight ratio of 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to dibutyltin dilaurate is 100: 0.38, stirring for reaction for 3.3 hours, filtering, washing and drying to obtain a material C; and (3) carrying out low-temperature plasma treatment on the material C for 2.5min, wherein the discharge power of the low-temperature plasma treatment is 65W, then soaking the material C into a lanthanum chloride aqueous solution with the concentration of 0.75mol/L, standing for 90min, filtering, washing and drying to obtain the surface modified glass fiber.
Example 7
A wood-plastic composite material for indoor suspended ceilings comprises the following raw materials in parts by weight: 46 parts of high-density polyethylene, 31 parts of sorghum straws, 28.5 parts of cypress powder, 9.7 parts of surface modified glass fibers, 2 parts of rare earth phenolic resin, 3.3 parts of nano calcium carbonate, 7.1 parts of illite, 4 parts of kaolin, 2.9 parts of acrylic acid grafted polyethylene, 0.9 part of stearic acid, 0.3 part of polyethylene wax, 0.7 part of pentaerythritol stearate, 1680.6 parts of antioxidant and 10760.5 parts of antioxidant;
the surface modified glass fiber is prepared according to the following process: uniformly mixing 1g of glass fiber and 27ml of hydrogen peroxide with the mass concentration of 10%, stirring and reacting for 4.6 hours at the temperature of 97 ℃, filtering and drying to obtain a material A; uniformly mixing 1g of the material A, 8g of isopropyltriethoxysilane isocyanate and 25ml of ethanol, stirring and reacting at 74 ℃ for 6.3h, filtering and drying to obtain a material B; uniformly mixing 1g of the material B, 2.8g of 1H,1H,10H, 10H-perfluoro-1, 10-decanediol and 18ml of 1, 4-dioxane, adding 12.6mg of dibutyltin dilaurate, uniformly stirring, heating to 45 ℃ under the protection of nitrogen, stirring for reacting for 4 hours, adding 7.5g of diethylenetriamine, stirring for reacting for 3.5 hours, filtering, washing and drying to obtain a material C; and (3) carrying out low-temperature plasma treatment on the material C for 2min, wherein the discharge power of the low-temperature plasma treatment is 68W, then immersing the material C into a lanthanum chloride aqueous solution with the concentration of 0.78mol/L, standing for 75min, filtering, washing and drying to obtain the surface modified glass fiber.
Comparative example
The only difference from example 7 is that the glass fibers contained in the raw material were unmodified glass fibers.
The performance of the wood-plastic composite material of the embodiment 7 and the comparative example is detected, the tensile property is tested according to GB/T1040-92, the impact strength is tested according to GB/T1043-93, the bending strength is tested according to GB/T9341-; according to the requirements of GB/T7141-2008, carrying out a thermal aging test in an electric heating constant-temperature air drying oven, wherein the aging temperature is 90 ℃ and the time is 100 h; placing the wood-plastic composite material in water, soaking for 24h, testing the weight of the wood-plastic composite material before and after soaking, and calculating the water absorption rate; in example 7, the tensile strength of the wood-plastic composite material was 37.2MPa, and the impact strength was 9.7KJ/m2The bending strength is 26.9MPa, the water absorption is 0.36 percent, the retention rate of tensile strength after aging is 91.57 percent, and the retention rate of impact strength is 93.26 percent; the tensile strength of the wood-plastic composite material of the comparative example is 30.5MPa, and the impact strength is 8.3KJ/m2The flexural strength was 20.5MPa, the water absorption was 1.3%, the retention of tensile strength after aging was 82.86%, and the retention of impact strength was 85.87%.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The wood-plastic composite material for the indoor ceiling is characterized by comprising the following raw materials in parts by weight: 35-48 parts of high-density polyethylene, 30-55 parts of plant straw, 20-45 parts of wood powder, 5-13 parts of surface modified glass fiber, 1-3 parts of rare earth phenolic resin, 1-5 parts of nano calcium carbonate, 3-7.5 parts of illite, 2-5 parts of kaolin, 2-3.5 parts of compatilizer and 1.5-3 parts of lubricant;
the surface modified glass fiber is prepared according to the following process: uniformly mixing glass fiber and hydrogen peroxide, stirring and reacting for 4-5.5h at 95-100 ℃, filtering and drying to obtain a material A; uniformly mixing the material A, the isopropyltriethoxysilane isocyanate and the ethanol, stirring and reacting for 5.5-8h at 72-78 ℃, filtering and drying to obtain a material B; uniformly mixing the material B, 1H,10H, 10H-perfluoro-1, 10-decanediol and 1, 4-dioxane, adding dibutyltin dilaurate, uniformly stirring, heating to 40-45 ℃ under the protection of nitrogen, stirring for reaction for 3.5-5.5H, adding diethylenetriamine, stirring for reaction for 2-3.5H, filtering, washing and drying to obtain a material C; and (3) performing low-temperature plasma treatment on the material C, then immersing the material C into a rare earth solution for standing, filtering, washing and drying to obtain the surface modified glass fiber.
2. The indoor ceiling wood-plastic composite material as claimed in claim 1, wherein the plant straw is one or a mixture of more of wheat straw, cotton straw, rape straw, reed straw and sorghum straw.
3. The wood-plastic composite for indoor ceilings as claimed in claim 1, wherein the wood flour is one or a mixture of sand willow wood flour, poplar wood flour, eucalyptus wood flour and cedar wood flour.
4. The wood-plastic composite material for indoor ceilings as claimed in claim 1, wherein the compatilizer is one or a mixture of maleic anhydride grafted polyethylene and acrylic acid grafted polyethylene.
5. A wood-plastic composite material for indoor ceilings as claimed in claim 1, wherein the lubricant is a mixture of stearic acid, polyethylene wax and pentaerythritol stearate, and the weight ratio of stearic acid, polyethylene wax and pentaerythritol stearate is 4-10: 1-4: 3-8.
6. The wood-plastic composite material for indoor ceilings as claimed in claim 1, wherein the raw materials further comprise 0.8-2 parts by weight of an antioxidant; the antioxidant is a mixture of one or more of antioxidant 1010, antioxidant 168 and antioxidant BHT and antioxidant 1076.
7. The wood-plastic composite material for indoor ceilings as claimed in claim 1, wherein in the preparation process of the surface modified glass fibers, the mass concentration of hydrogen peroxide is 8-12%, and the mass volume ratio of the glass fibers to the hydrogen peroxide is 1: 22-28 g/ml; the weight ratio of the material A to the isopropyltriethoxysilane isocyanate is 1: 4-10; the mass-volume ratio of the material A to the ethanol is 1: 20-30 g/ml; the weight ratio of the material B to the material 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to diethylenetriamine is 1: 2-3.5: 4-8.5; the mass volume ratio of the material B to the 1, 4-dioxane is 1: 10-20 g/ml; the weight ratio of 1H,1H,10H, 10H-perfluoro-1, 10-decanediol to dibutyltin dilaurate is 100: 0.3-0.5.
8. The wood-plastic composite material for indoor ceilings as claimed in claim 1, wherein in the preparation process of the surface-modified glass fibers, the time of low-temperature plasma treatment is 1.5-3.5min, and the discharge power of the low-temperature plasma treatment is 55-70W.
9. The wood-plastic composite material for indoor ceilings as claimed in claim 1, wherein in the preparation process of the surface modified glass fiber, the rare earth solution is a lanthanum chloride aqueous solution, and the concentration of the lanthanum chloride aqueous solution is 0.6-1 mol/L.
10. The wood-plastic composite for indoor ceilings according to any one of claims 1 to 9, wherein the time for immersing in the rare earth solution to stand is 70-130min during the preparation of the surface-modified glass fiber.
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Application publication date: 20200403 |