CN109535551A - 一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法 - Google Patents
一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法 Download PDFInfo
- Publication number
- CN109535551A CN109535551A CN201811312049.5A CN201811312049A CN109535551A CN 109535551 A CN109535551 A CN 109535551A CN 201811312049 A CN201811312049 A CN 201811312049A CN 109535551 A CN109535551 A CN 109535551A
- Authority
- CN
- China
- Prior art keywords
- modified
- talc
- parts
- composite material
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 239000002699 waste material Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 20
- -1 polypropylene Polymers 0.000 title claims abstract description 20
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 20
- 239000000454 talc Substances 0.000 title claims abstract description 13
- 229910052623 talc Inorganic materials 0.000 title claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 30
- 239000010902 straw Substances 0.000 claims abstract description 30
- 229920005610 lignin Polymers 0.000 claims abstract description 24
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical class O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 16
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 16
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 16
- 241000218657 Picea Species 0.000 claims abstract description 13
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000008188 pellet Substances 0.000 claims abstract description 5
- 238000005453 pelletization Methods 0.000 claims abstract description 5
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 235000010215 titanium dioxide Nutrition 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 15
- 240000006394 Sorghum bicolor Species 0.000 claims description 12
- 235000015505 Sorghum bicolor subsp. bicolor Nutrition 0.000 claims description 12
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 12
- 239000004408 titanium dioxide Substances 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 8
- 238000010907 mechanical stirring Methods 0.000 claims description 8
- 239000003607 modifier Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 5
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000007731 hot pressing Methods 0.000 claims description 4
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000012046 mixed solvent Substances 0.000 claims description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 claims 2
- 238000001935 peptisation Methods 0.000 claims 1
- 239000005060 rubber Substances 0.000 claims 1
- 239000000806 elastomer Substances 0.000 abstract description 9
- 230000032683 aging Effects 0.000 abstract description 8
- 239000000945 filler Substances 0.000 abstract description 4
- 238000011049 filling Methods 0.000 abstract description 4
- 230000009477 glass transition Effects 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract description 2
- 230000000754 repressing effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000012222 talc Nutrition 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
- 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
-
- 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
- C08L2207/20—Recycled plastic
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明公开了一种用秸秆纤维‑滑石粉填充废旧聚丙烯制备复合材料的方法,将废旧聚丙烯、改性热塑性丁苯橡胶、改性剂和改性滑石粉、改性秸秆纤维粉加入高混机中混合均匀,将混料加入双螺杆挤出机挤出、切粒,将粒料在干燥箱内干燥后,通过压片机进行热压成型,先预热,再热压,制得所述复合材料。以玉米秸秆木质素为填充剂,利用木质素填充改性热塑性丁苯橡胶,木质素的填充能提高其力学性能、提高弹性体的模量和玻璃化转变温度;木质素对弹性体的填充起到了防老化的作用,提高了弹性体的耐老化性能,木质素对弹性体的填充改性,改善了弹性体的耐紫外老化性能和耐湿热老化性能。
Description
技术领域
本发明属于塑料制品领域,具体涉及一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法。
背景技术
随着塑料工业的不断发展,对塑料制品的需求与日俱增,因此塑料废弃物的产生不可避免。所以,有必要对废弃塑料进行回收再利用的研究。本发明研究的废弃塑料为废旧聚丙烯,其主要成分是聚丙烯,还有少量的其他物质,混溶性差,所以需要通过对废旧聚丙烯改性使其部分性能得到加强,以达到我们需要的效果。
发明内容
本发明的目的是针对现有的问题,提供了一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法,依照该方法制作的复合材料具有优异的力学性能、抑制燃烧性能、耐老化性能。
本发明是通过以下技术方案实现的:
一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法,其特征在于,包括如下步骤:
(1)改性滑石粉的制备:
将纳米钛白粉和滑石粉在60-65℃真空干燥箱中干燥10-12h,向2-4份纳米钛白粉中1:50加入乙醇水溶液,超声分散20-30min,加入0.2-0.4份聚丙烯酸钠,在50-55℃下超声反应50-60min后,抽滤、离心,在60-65℃下干燥10-12h,得到改性剂处理过的纳米钛白粉;
将10-20份滑石粉预研磨1-2h,加入改性剂处理过的纳米钛白粉,倒入无水乙醇,球磨1-2h后取出烘干,制得改性滑石粉;
(2)偶联剂改性秸秆纤维粉:
将0.5-0.7份硅烷偶联剂KH550和无水乙醇按质量比1:10混合,在40-45℃下磁力搅拌1-2h充分水解;将预处理秸秆纤维粉投入高速混合机中,缓慢滴加偶联剂水解液,在80-85℃下混合30-40min,取出,在80-85℃干燥箱中干燥20-24h,制得改性秸秆纤维粉;
(3)复合材料的制备:
将90-110份废旧聚丙烯、改性热塑性丁苯橡胶、8-10份改性剂POE-g-MAH和(1)中所得改性滑石粉、(2)中所得改性秸秆纤维粉加入高混机中混合均匀,将混料加入180-200℃双螺杆挤出机挤出、切粒,将粒料在60-65℃干燥箱内干燥8-10h后,通过压片机进行热压成型,在模压温度为170-180℃条件下先预热4-6min,再加压10MPa热压8-12min,制得所述复合材料。
进一步的,步骤(1)中乙醇水溶液的体积分数为70-80%。
进一步的,步骤(2)中高粱秸秆的水洗、碱洗预处理:向25-35份高粱秸秆纤维粉中1:2加入蒸馏水,机械搅拌1-2h,抽滤,在90-95℃干燥箱中干燥20-24h;再放入浓度为2%的氢氧化钠溶液中,机械搅拌1-2h,取出,水洗至中性,在80-85℃干燥箱中干燥20-24h,得到预处理秸秆纤维粉。
进一步的,步骤(3)中玉米秸秆木质素填充改性热塑性丁苯橡胶:将0.6-1.2份玉米秸秆木质素在80-85℃真空中干燥40-48h;将10-20份热塑性丁苯橡胶溶于甲苯和乙酸乙酯的混合溶剂中,配成固含量为20%的溶液,快速搅拌下滴加无水乙醇沉淀,抽滤、用无水乙醇洗涤,干燥后与真空干燥的玉米秸秆木质素共混改性。
本发明相比现有技术具有以下优点:
(1)滑石粉价格低廉、耐冲击性能好、光泽度高,用改性剂对滑石粉进行表面有机修饰,实现复合滑石粉填料在复合材料中的良好分散性和各项力学性能的强化;利用水溶性大分子聚丙烯酸钠改性钛白粉后球磨包覆滑石粉形成的复合填料,改性填料达到稳定分散,耐油耐热性能好。
(2)以高粱秸秆纤维为填料,先将秸秆纤维粉经氢氧化钠溶液处理,再采用偶联剂KH550进行包覆改性,改性后高粱秸秆纤维粉填充复合材料的力学及阻燃性能优。
(3)以玉米秸秆木质素为填充剂,利用木质素填充改性热塑性丁苯橡胶,木质素的填充能提高其力学性能、提高弹性体的模量和玻璃化转变温度;木质素对 弹性体的填充起到了防老化的作用,提高了弹性体的耐老化性能,木质素对弹性体的填充改性,改善了弹性体的耐紫外老化性能和耐湿热老化性能。
具体实施方式
实施例1
一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法,其特征在于,包括如下步骤:
(1)改性滑石粉的制备:
将纳米钛白粉和滑石粉在60-65℃真空干燥箱中干燥10h,向2份纳米钛白粉中1:50加入乙醇水溶液,超声分散20min,加入0.2份聚丙烯酸钠,在50-55℃下超声反应50min后,抽滤、离心,在60-65℃下干燥10h,得到改性剂处理过的纳米钛白粉;
将10份滑石粉预研磨1h,加入改性剂处理过的纳米钛白粉,倒入无水乙醇,球磨1h后取出烘干,制得改性滑石粉;
(2)偶联剂改性秸秆纤维粉:
将0.5份硅烷偶联剂KH550和无水乙醇按质量比1:10混合,在40-45℃下磁力搅拌1h充分水解;将预处理秸秆纤维粉投入高速混合机中,缓慢滴加偶联剂水解液,在80-85℃下混合30min,取出,在80-85℃干燥箱中干燥20h,制得改性秸秆纤维粉;
(3)复合材料的制备:
将90份废旧聚丙烯、改性热塑性丁苯橡胶、8份改性剂POE-g-MAH和(1)中所得改性滑石粉、(2)中所得改性秸秆纤维粉加入高混机中混合均匀,将混料加入180-200℃双螺杆挤出机挤出、切粒,将粒料在60-65℃干燥箱内干燥8h后,通过压片机进行热压成型,在模压温度为170-180℃条件下先预热4min,再加压10MPa热压8min,制得所述复合材料。
进一步的,步骤(1)中乙醇水溶液的体积分数为70%。
进一步的,步骤(2)中高粱秸秆的水洗、碱洗预处理:向25份高粱秸秆纤维粉中1:2加入蒸馏水,机械搅拌1h,抽滤,在90-95℃干燥箱中干燥20h;再放入浓度为2%的氢氧化钠溶液中,机械搅拌1h,取出,水洗至中性,在80-85℃干燥箱中干燥20h,得到预处理秸秆纤维粉。
进一步的,步骤(3)中玉米秸秆木质素填充改性热塑性丁苯橡胶:将0.6份玉米秸秆木质素在80-85℃真空中干燥40h;将10份热塑性丁苯橡胶溶于甲苯和乙酸乙酯的混合溶剂中,配成固含量为20%的溶液,快速搅拌下滴加无水乙醇沉淀,抽滤、用无水乙醇洗涤,干燥后与真空干燥的玉米秸秆木质素共混改性。
实施例2
一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法,其特征在于,包括如下步骤:
(1)改性滑石粉的制备:
将纳米钛白粉和滑石粉在60-65℃真空干燥箱中干燥12h,向4份纳米钛白粉中1:50加入乙醇水溶液,超声分散30min,加入0.4份聚丙烯酸钠,在50-55℃下超声反应60min后,抽滤、离心,在60-65℃下干燥12h,得到改性剂处理过的纳米钛白粉;
将20份滑石粉预研磨2h,加入改性剂处理过的纳米钛白粉,倒入无水乙醇,球磨2h后取出烘干,制得改性滑石粉;
(2)偶联剂改性秸秆纤维粉:
将0.7份硅烷偶联剂KH550和无水乙醇按质量比1:10混合,在40-45℃下磁力搅拌2h充分水解;将预处理秸秆纤维粉投入高速混合机中,缓慢滴加偶联剂水解液,在80-85℃下混合40min,取出,在80-85℃干燥箱中干燥24h,制得改性秸秆纤维粉;
(3)复合材料的制备:
将110份废旧聚丙烯、改性热塑性丁苯橡胶、10份改性剂POE-g-MAH和(1)中所得改性滑石粉、(2)中所得改性秸秆纤维粉加入高混机中混合均匀,将混料加入180-200℃双螺杆挤出机挤出、切粒,将粒料在60-65℃干燥箱内干燥10h后,通过压片机进行热压成型,在模压温度为170-180℃条件下先预热6min,再加压10MPa热压12min,制得所述复合材料。
进一步的,步骤(1)中乙醇水溶液的体积分数为80%。
进一步的,步骤(2)中高粱秸秆的水洗、碱洗预处理:向35份高粱秸秆纤维粉中1:2加入蒸馏水,机械搅拌2h,抽滤,在90-95℃干燥箱中干燥24h;再放入浓度为2%的氢氧化钠溶液中,机械搅拌2h,取出,水洗至中性,在80-85℃干燥箱中干燥24h,得到预处理秸秆纤维粉。
进一步的,步骤(3)中玉米秸秆木质素填充改性热塑性丁苯橡胶:将1.2份玉米秸秆木质素在80-85℃真空中干燥48h;将20份热塑性丁苯橡胶溶于甲苯和乙酸乙酯的混合溶剂中,配成固含量为20%的溶液,快速搅拌下滴加无水乙醇沉淀,抽滤、用无水乙醇洗涤,干燥后与真空干燥的玉米秸秆木质素共混改性。
对比实施例1
本对比实施例1与实施例1相比,在步骤(2)中未对高粱秸秆纤维粉进行任何改性处理,除此外的方法步骤均相同。
对比实施例2
本对比实施例2与实施例2相比,在步骤(3)中未用玉米秸秆木质素对热塑性丁苯橡胶进行填充改性,除此外的方法步骤均相同。
对照组 空白废旧聚丙烯
为了对比本发明制得的复合材料的力学性能,对上述实施例1、实施例2、对比实施例1、对比实施例2方法对应制得的复合材料,以及对照组对应的空白废旧聚丙烯按照行业标准进行性能检测,具体对比数据如下表1所示:
表1
按照本发明方法制作的复合材料具有优异的力学性能、抑制燃烧性能、耐老化性能;在对比实施例1中未对高粱秸秆纤维粉进行任何改性处理,导致残碳率降低,复合材料的总体热稳定性与抑制燃烧性能降低;在对比实施例2中未用玉米秸秆木质素对热塑性丁苯橡胶进行填充改性,导致复合材料的力学性能降低。
Claims (4)
1.一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法,其特征在于,包括如下步骤:
(1)改性滑石粉的制备:
将纳米钛白粉和滑石粉在60-65℃真空干燥箱中干燥10-12h,向2-4份纳米钛白粉中1:50加入乙醇水溶液,超声分散20-30min,加入0.2-0.4份聚丙烯酸钠,在50-55℃下超声反应50-60min后,抽滤、离心,在60-65℃下干燥10-12h,得到改性剂处理过的纳米钛白粉;
将10-20份滑石粉预研磨1-2h,加入改性剂处理过的纳米钛白粉,倒入无水乙醇,球磨1-2h后取出烘干,制得改性滑石粉;
(2)偶联剂改性秸秆纤维粉:
将0.5-0.7份硅烷偶联剂KH550和无水乙醇按质量比1:10混合,在40-45℃下磁力搅拌1-2h充分水解;将预处理秸秆纤维粉投入高速混合机中,缓慢滴加偶联剂水解液,在80-85℃下混合30-40min,取出,在80-85℃干燥箱中干燥20-24h,制得改性秸秆纤维粉;
(3)复合材料的制备:
将90-110份废旧聚丙烯、改性热塑性丁苯橡胶、8-10份改性剂POE-g-MAH和(1)中所得改性滑石粉、(2)中所得改性秸秆纤维粉加入高混机中混合均匀,将混料加入180-200℃双螺杆挤出机挤出、切粒,将粒料在60-65℃干燥箱内干燥8-10h后,通过压片机进行热压成型,在模压温度为170-180℃条件下先预热4-6min,再加压10MPa热压8-12min,制得所述复合材料。
2.根据权利要求1所述的一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法,其特征在于,步骤(1)中乙醇水溶液的体积分数为70-80%。
3.根据权利要求1所述的一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法,其特征在于,步骤(2)中高粱秸秆的水洗、碱洗预处理:
向25-35份高粱秸秆纤维粉中1:2加入蒸馏水,机械搅拌1-2h,抽滤,在90-95℃干燥箱中干燥20-24h;再放入浓度为2%的氢氧化钠溶液中,机械搅拌1-2h,取出,水洗至中性,在80-85℃干燥箱中干燥20-24h,得到预处理秸秆纤维粉。
4.根据权利要求1所述的一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法,其特征在于,步骤(3)中玉米秸秆木质素填充改性热塑性丁苯橡胶:
将0.6-1.2份玉米秸秆木质素在80-85℃真空中干燥40-48h;将10-20份热塑性丁苯橡胶溶于甲苯和乙酸乙酯的混合溶剂中,配成固含量为20%的溶液,快速搅拌下滴加无水乙醇沉淀,抽滤、用无水乙醇洗涤,干燥后与真空干燥的玉米秸秆木质素共混改性。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811312049.5A CN109535551A (zh) | 2018-11-06 | 2018-11-06 | 一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811312049.5A CN109535551A (zh) | 2018-11-06 | 2018-11-06 | 一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109535551A true CN109535551A (zh) | 2019-03-29 |
Family
ID=65844649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811312049.5A Withdrawn CN109535551A (zh) | 2018-11-06 | 2018-11-06 | 一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109535551A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110216767A (zh) * | 2019-05-06 | 2019-09-10 | 阜阳大可新材料股份有限公司 | 一种木橡纤维板的耐水改性方法 |
CN111518325A (zh) * | 2020-05-20 | 2020-08-11 | 深圳市科思飞科技有限公司 | 含自然纤维粉的热塑性丁苯橡胶复合材料及其制备方法 |
CN114989625A (zh) * | 2022-07-04 | 2022-09-02 | 江西瑞京鸿兴实业有限公司 | 一种废旧高分子材料和秸秆混合制备木塑的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102417738A (zh) * | 2011-11-23 | 2012-04-18 | 常熟钰泰隆摩擦新材料科技有限公司 | 一种氧化钛纤维与木质素改性的耐老化木塑复合材料及其制备方法 |
CN102618000A (zh) * | 2012-03-23 | 2012-08-01 | 天津大学 | 农作物秸秆和麻纤维混杂增强聚乳酸复合材料及制备方法 |
CN102977622A (zh) * | 2012-11-13 | 2013-03-20 | 无锡顺铉新材料有限公司 | 一种弹性体增韧木塑复合材料及其制备方法 |
CN103740139A (zh) * | 2013-12-10 | 2014-04-23 | 辽宁亿龙矿业股份有限公司 | 复合钛白粉及其制备方法 |
CN104194369A (zh) * | 2014-08-29 | 2014-12-10 | 句容市石狮冲压件厂 | 一种用于户外椅的木塑材料及其制备方法 |
-
2018
- 2018-11-06 CN CN201811312049.5A patent/CN109535551A/zh not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102417738A (zh) * | 2011-11-23 | 2012-04-18 | 常熟钰泰隆摩擦新材料科技有限公司 | 一种氧化钛纤维与木质素改性的耐老化木塑复合材料及其制备方法 |
CN102618000A (zh) * | 2012-03-23 | 2012-08-01 | 天津大学 | 农作物秸秆和麻纤维混杂增强聚乳酸复合材料及制备方法 |
CN102977622A (zh) * | 2012-11-13 | 2013-03-20 | 无锡顺铉新材料有限公司 | 一种弹性体增韧木塑复合材料及其制备方法 |
CN103740139A (zh) * | 2013-12-10 | 2014-04-23 | 辽宁亿龙矿业股份有限公司 | 复合钛白粉及其制备方法 |
CN104194369A (zh) * | 2014-08-29 | 2014-12-10 | 句容市石狮冲压件厂 | 一种用于户外椅的木塑材料及其制备方法 |
Non-Patent Citations (5)
Title |
---|
《工程塑料应用》杂志社: "《2007年中国工程塑料复合材料技术研讨会论文集》", 31 July 2007 * |
朱安妮: "秸秆表面处理工艺对WPC 性能的影响及其在室内设计中的应用研究", 《塑料工业》 * |
李航: "热处理木质素高填充S B R 的结构与性能", 《合成橡胶工业》 * |
贺超: "改性滑石粉增强羧基丁腈基材料力学性能的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
赫羴姗: "木质素填充改性SBS 弹性体的热氧老化性能", 《高分子材料科学与工程》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110216767A (zh) * | 2019-05-06 | 2019-09-10 | 阜阳大可新材料股份有限公司 | 一种木橡纤维板的耐水改性方法 |
CN111518325A (zh) * | 2020-05-20 | 2020-08-11 | 深圳市科思飞科技有限公司 | 含自然纤维粉的热塑性丁苯橡胶复合材料及其制备方法 |
CN114989625A (zh) * | 2022-07-04 | 2022-09-02 | 江西瑞京鸿兴实业有限公司 | 一种废旧高分子材料和秸秆混合制备木塑的方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109535551A (zh) | 一种用秸秆纤维-滑石粉填充废旧聚丙烯制备复合材料的方法 | |
CN103819801B (zh) | 一种聚烯烃基木塑复合材料及其制备方法 | |
CN103965519B (zh) | 一种再生纤维素增强淀粉薄膜的制备方法 | |
CN102690525A (zh) | 一种以甜高粱渣作为增强相的木塑复合材料及其制备方法 | |
CN102051002A (zh) | 酶解木质素-木质纤维-聚烯烃混杂复合材料及其制备方法 | |
CN102863693A (zh) | 一种麦秸秆/塑料膜复合材料的制备工艺方法 | |
Theng et al. | Production of fiberboard from rice straw thermomechanical extrudates by thermopressing: influence of fiber morphology, water and lignin content | |
CN106189326B (zh) | 糠醛渣在制备木塑材料中的应用 | |
CN104403111A (zh) | 一种改善木质纤维原料塑性的方法 | |
CN113801339A (zh) | 一种改性木质素及其制备方法 | |
CN106188842B (zh) | 聚丙烯/竹颗粒/超微竹炭复合材料的制备方法 | |
CN108864553A (zh) | 一种原位改性植物长纤维及其制备方法与应用 | |
CN105003059A (zh) | 一种利用农作物秸秆生产的木塑地板及其生产方法 | |
CN103709773B (zh) | 碱脲解缠结秸秆/树脂复合板的制备方法 | |
CN101029418B (zh) | 一种活性非木质植物纤维及其制备方法和用途 | |
CN105968748A (zh) | 一种阻燃型聚乳酸与淀粉复合全降解塑料薄膜及其制备方法 | |
CN101967295B (zh) | 一种木塑淀粉复合材料及其制备方法 | |
CN107880287A (zh) | 一种植物纤维原料的塑化方法 | |
CN104356663A (zh) | 一种木质素热塑材料的制备方法 | |
CN104497606A (zh) | 一种木质素热塑材料的制备方法 | |
CN104497471B (zh) | 一种亚临界水挤出制备木塑复合材料的方法 | |
CN102226006B (zh) | 一种适用于塑料填充的木粉的预处理方法 | |
CN106046620A (zh) | 一种聚氯乙烯塑木及其制备方法 | |
CN105778547A (zh) | 一种亚临界醇挤出制备木塑复合材料的方法 | |
CN111995838B (zh) | 利用离子交联改性再生abs/hips共混材料及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200730 Address after: 236500 Guangwu Avenue 689, Dongcheng, Jieshou City, Fuyang City, Anhui Province Applicant after: Anhui Rongguo Environmental Intelligent Technology Co.,Ltd. Address before: 236500 Anhui city of Fuyang Province Jieshou Dongcheng Office Garden Road No. 1 Building 8 3 unit 1 Applicant before: Xu Wuni |
|
TA01 | Transfer of patent application right | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190329 |
|
WW01 | Invention patent application withdrawn after publication |