CN107057243A - 一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法 - Google Patents
一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法 Download PDFInfo
- Publication number
- CN107057243A CN107057243A CN201611252020.3A CN201611252020A CN107057243A CN 107057243 A CN107057243 A CN 107057243A CN 201611252020 A CN201611252020 A CN 201611252020A CN 107057243 A CN107057243 A CN 107057243A
- Authority
- CN
- China
- Prior art keywords
- appropriate
- nickel foam
- self
- cleaning
- acetic acid
- 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.)
- Pending
Links
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/19—Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1618—Non-macromolecular compounds inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
本发明公开了一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法,其特征在于,是由以下重量份的原料制成:钛酸四丁酯3‑5,无水乙醇10‑20,冰醋酸2‑4,碳纳米管5‑10,聚四氟乙烯乳液25‑35,氢氟酸15‑25,硝酸15‑25,氯化镧1‑2,乙二胺四乙酸2‑3,Fe(NO3)3 1‑2,Co(NO3)3 1‑2,氨水适量,泡沫镍适量,金刚石3‑5,十二烷基三甲基溴化铵5‑7,甲烷适量,氩气适量,氮气适量,蒸馏水100‑150;将泡沫镍这种具有三维形态的材料作为聚合物填料不仅提高了复合材料的力学性能,同时使加入的碳纳米管分布均匀;利用溶胶凝胶法合成纳米二氧化钛并且喷涂在复合材料表面,赋予了材料自清洁的功能。
Description
技术领域
本发明涉及一种聚四氟乙烯复合材料,具体涉及一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法。
背景技术
聚四氟乙烯材料具有优良的耐蚀性、耐候性、化学稳定性,并且不沾、无毒、无污染,被称为塑料之王,是一种较好的密封材料,广泛应用于国防、航空航天、医学、石油化工、电子、机械等许多领域的密封装置上,同时,聚四氟乙烯材料还具有优良的耐辐照性、氚相容性以及对氚的低渗透率性,因此也广泛应用于含氚系统的密封。以碳纳米管作为聚合物的填料可改善材料的物理、力学与摩擦学性能。一般而言,长径比较大的填料更有利于增强聚合物的力学性能,而长径比小的填料却能较大的提高材料的耐磨性并降低摩擦系数。
在任婕的硕士学位论文《泡沫镍/聚四氟乙烯机械密封面复合材料及摩擦学行为研究》中制备了一种密封复合材料,但是作为阀门密封材料来说,还存在着抗压能力、抗蠕变能力不佳的问题。
发明内容
基于以上思考,本发明旨在提供一种耐低温、剪切强度高、抗老化的丁腈橡胶涂料,及其制备方法。
本发明所要解决的技术问题采用以下的技术方案实现:
一种自清洁的、阀门密封用聚四氟乙烯复合材料,其特征在于,是由以下重量份的原料制成:
钛酸四丁酯3-5,无水乙醇10-20,冰醋酸2-4,碳纳米管5-10,聚四氟乙烯乳液25-35,氢氟酸15-25,硝酸15-25,氯化镧1-2,乙二胺四乙酸2-3,Fe(NO3)3 1-2,Co(NO3)3 1-2,氨水适量,泡沫镍适量,金刚石3-5,十二烷基三甲基溴化铵5-7,甲烷适量,氩气适量,氮气适量,蒸馏水100-150;
所述的氢氟酸质量分数为30-40%;硝酸质量分数为10-20%。聚四氟乙烯乳液的固含量为30-50%。
所述的一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法,其特征在于,是由以下步骤制成:
a. 将碳纳米管球磨10-20分钟后加入到氢氟酸溶液中浸泡10-15h,过滤、冲洗、烘干后加入到硝酸溶液中,并加入氯化镧、乙二胺四乙酸,浸泡3-5h,用蒸溜水清洗至中性,接着在箱式炉中 70-100℃下烘干3-5h;
b. 将Fe(NO3)3、Co(NO3)3加入20-25蒸馏水中溶解,再加入步骤a所得碳纳米管,先超声20-40min后再磁力搅拌1-3小时,然后用氨水调溶液的PH至8,保持搅拌20-25h,之后过滤并洗涤、烘干所得物;
c. 将泡沫镍裁成合适大小,取步骤b所得物覆盖在泡沫镍上,使它能尽量多的接触到泡沫镍的边缘上,放入石英管式炉中,首先通入氩气,温度升至620-680℃时通入氮气,温度升至700℃以上时通入甲烷气体,加热80-120min;
d. 将金刚石、十二烷基三甲基溴化铵加入到聚四氟乙稀乳液中混合搅拌1-2h后,倒入模具中使步骤c所得材料完全浸渍在其中,先在200-250℃下初步固化2-3次,再在260-290℃下保温2-3h固化成型得试样;
e. 将钛酸四丁酯、无水乙醇、冰醋酸水混合,搅拌均匀,得到透明溶胶,于 50~100℃加热回流 6~24h,冷却后将溶胶喷涂于步骤d所得试样上,形成厚度为 1~2μm 的薄膜,干燥后,于 50~260℃下热处于 1~4h 即可。
所述的一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法,其特征在于,泡沫镍大小为(2-6)×(2-6)×(1-2)mm3。
本发明的有益效果:将泡沫镍这种具有三维形态的材料作为聚合物填料不仅提高了复合材料的力学性能,同时使加入的碳纳米管能更为均匀的分布;稀土原子具有特殊的电子层结构和低的电负性,活性强,采用稀土试剂处理碳纳米管表面,可以通过稀土与碳的亲和作用使碳纳米管表面的碳键松弛,增大其表面的活性,同时,稀土还可以与碳纳米管表面的含氧基团以及聚四氟乙烯通过配位反应生成稳定的稀土配合物,改善聚四氟乙烯复合材料的界面粘结性能,从而提高材料的抗压、抗蠕变性,提高其密封性能;利用溶胶凝胶法合成纳米二氧化钛并且喷涂在复合材料表面,赋予了材料自清洁的功能。
具体实施方式
下面结合实施例,对本发明的具体实施方式作进一步描述。
实施例
一种自清洁的、阀门密封用聚四氟乙烯复合材料,其特征在于,是由以下重量份的原料制成:
碳纳米管5-10,聚四氟乙烯乳液25-35,氢氟酸15-25,硝酸15-25,氯化镧1-2,乙二胺四乙酸2-3,Fe(NO3)3 1-2,Co(NO3)3 1-2,氨水适量,泡沫镍适量,金刚石3-5,十二烷基三甲基溴化铵5-7,甲烷适量,氩气适量,氮气适量,蒸馏水100-150;
所述的氢氟酸质量分数为30-40%;硝酸质量分数为10-20%。聚四氟乙烯乳液的固含量为30-50%。
所述的一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法,其特征在于,是由以下步骤制成:
a. 将碳纳米管球磨10-20分钟后加入到氢氟酸溶液中浸泡10-15h,过滤、冲洗、烘干后加入到硝酸溶液中,并加入氯化镧、乙二胺四乙酸,浸泡3-5h,用蒸溜水清洗至中性,接着在箱式炉中 70-100℃下烘干 3-5h;
b. 将Fe(NO3)3、Co(NO3)3加入20-25蒸馏水中溶解,再加入步骤a所得碳纳米管,先超声20-40min后再磁力搅拌1-3小时,然后用氨水调溶液的PH至8,保持搅拌20-25h,之后过滤并洗涤、烘干所得物;
c. 将泡沫镍裁成合适大小,取步骤b所得物覆盖在泡沫镍上,使它能尽量多的接触到泡沫镍的边缘上,放入石英管式炉中,首先通入氩气,温度升至620-680℃时通入氮气,温度升至700℃以上时通入甲烷气体,加热80-120min;
d. 将金刚石、十二烷基三甲基溴化铵加入到聚四氟乙稀乳液中混合搅拌1-2h后,倒入模具中使步骤c所得材料完全浸渍在其中,先在200-250℃下初步固化2-3次,再在260-290℃下保温2-3h固化成型即可。
所述的一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法,其特征在于,泡沫镍大小为(2-6)×(2-6)×(1-2)mm3。
本发明的性能测试数据为:65-75℃区间的蠕变柔量值≤0.00828;压缩强度≥61.78MPa。
Claims (3)
1.一种自清洁的、阀门密封用聚四氟乙烯复合材料,其特征在于,是由以下重量份的原料制成:
钛酸四丁酯3-5,无水乙醇10-20,冰醋酸2-4,碳纳米管5-10,聚四氟乙烯乳液25-35,氢氟酸15-25,硝酸15-25,氯化镧1-2,乙二胺四乙酸2-3,Fe(NO3)3 1-2,Co(NO3)3 1-2,氨水适量,泡沫镍适量,金刚石3-5,十二烷基三甲基溴化铵5-7,甲烷适量,氩气适量,氮气适量,蒸馏水100-150;
所述的氢氟酸质量分数为30-40%;硝酸质量分数为10-20%,聚四氟乙烯乳液的固含量为30-50%。
2.根据权利要求1所述的一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法,其特征在于,是由以下步骤制成:
a. 将碳纳米管球磨10-20分钟后加入到氢氟酸溶液中浸泡10-15h,过滤、冲洗、烘干后加入到硝酸溶液中,并加入氯化镧、乙二胺四乙酸,浸泡3-5h,用蒸溜水清洗至中性,接着在箱式炉中 70-100℃下烘干3-5h;
b. 将Fe(NO3)3、Co(NO3)3加入20-25蒸馏水中溶解,再加入步骤a所得碳纳米管,先超声20-40min后再磁力搅拌1-3小时,然后用氨水调溶液的PH至8,保持搅拌20-25h,之后过滤并洗涤、烘干所得物;
c. 将泡沫镍裁成合适大小,取步骤b所得物覆盖在泡沫镍上,使它能尽量多的接触到泡沫镍的边缘上,放入石英管式炉中,首先通入氩气,温度升至620-680℃时通入氮气,温度升至700℃以上时通入甲烷气体,加热80-120min;
d. 将金刚石、十二烷基三甲基溴化铵加入到聚四氟乙稀乳液中混合搅拌1-2h后,倒入模具中使步骤c所得材料完全浸渍在其中,先在200-250℃下初步固化2-3次,再在260-290℃下保温2-3h固化成型得试样;
e. 将钛酸四丁酯、无水乙醇、冰醋酸水混合,搅拌均匀,得到透明溶胶,于 50~100℃加热回流 6~24h,冷却后将溶胶喷涂于步骤d所得试样上,形成厚度为 1~2μm 的薄膜,干燥后,于 50~260℃下热处于 1~4h 即可。
3.根据权利要求2所述的一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法,其特征在于,泡沫镍大小为(2-6)×(2-6)×(1-2)mm3。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611252020.3A CN107057243A (zh) | 2016-12-30 | 2016-12-30 | 一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611252020.3A CN107057243A (zh) | 2016-12-30 | 2016-12-30 | 一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107057243A true CN107057243A (zh) | 2017-08-18 |
Family
ID=59623605
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611252020.3A Pending CN107057243A (zh) | 2016-12-30 | 2016-12-30 | 一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107057243A (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1844228A (zh) * | 2006-05-11 | 2006-10-11 | 上海交通大学 | 稀土改性碳纳米管/聚四氟乙烯复合材料的制备方法 |
CN105440519A (zh) * | 2015-12-09 | 2016-03-30 | 无锡普瑞明思机械制造有限公司 | 一种用于机械密封的聚四氟乙烯复合材料 |
CN105949688A (zh) * | 2016-06-22 | 2016-09-21 | 芜湖市长江起重设备制造有限公司 | 一种碳纳米管/聚四氟乙烯复合材料及其制备方法 |
CN106117923A (zh) * | 2016-06-23 | 2016-11-16 | 安徽荣达阀门有限公司 | 一种具有自清洁功能的聚四氟乙烯材料及其制备方法 |
-
2016
- 2016-12-30 CN CN201611252020.3A patent/CN107057243A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1844228A (zh) * | 2006-05-11 | 2006-10-11 | 上海交通大学 | 稀土改性碳纳米管/聚四氟乙烯复合材料的制备方法 |
CN105440519A (zh) * | 2015-12-09 | 2016-03-30 | 无锡普瑞明思机械制造有限公司 | 一种用于机械密封的聚四氟乙烯复合材料 |
CN105949688A (zh) * | 2016-06-22 | 2016-09-21 | 芜湖市长江起重设备制造有限公司 | 一种碳纳米管/聚四氟乙烯复合材料及其制备方法 |
CN106117923A (zh) * | 2016-06-23 | 2016-11-16 | 安徽荣达阀门有限公司 | 一种具有自清洁功能的聚四氟乙烯材料及其制备方法 |
Non-Patent Citations (1)
Title |
---|
任婕: "泡沫镍/聚四氟乙烯机械密封复合材料及摩擦学行为", 《中国优秀博士学位论文 工程科技I辑》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101987908B (zh) | 一种石墨烯-环氧树脂复合材料的制备方法 | |
CN107541033A (zh) | 一种高气体阻隔性纳米复合材料及其制备方法 | |
CN102443247A (zh) | 一种氧化石墨烯接枝poss改性环氧树脂的制备方法 | |
CN112852106A (zh) | 一种环氧树脂-氮化硼导热阻燃复合材料及其制备方法 | |
CN112625384A (zh) | 一种石墨烯聚四氟乙烯复合材料及其制备方法 | |
CN107057243A (zh) | 一种自清洁的、阀门密封用聚四氟乙烯复合材料及其制备方法 | |
CN110183771B (zh) | 一种鞋用高力学性能泡沫复合材料及其制备方法 | |
CN106751258A (zh) | 一种阀门密封用泡沫镍增强聚四氟乙烯复合材料及其制备方法 | |
CN106832693A (zh) | 一种阀门密封用钢纤维增强聚四氟乙烯复合材料及其制备方法 | |
CN106810798A (zh) | 一种吸音的、阀门密封用聚四氟乙烯复合材料及其制备方法 | |
CN106810796A (zh) | 一种阀门密封用碳纤维增强聚四氟乙烯复合材料及其制备方法 | |
WO2020211110A1 (zh) | 一种聚酰亚胺复合物、制备方法及其应用 | |
CN106400486B (zh) | 一种硼酸镁晶须的表面改性方法 | |
CN106810797A (zh) | 一种阀门密封用活化处理的聚四氟乙烯复合材料及其制备方法 | |
CN106810795A (zh) | 一种阀门密封用金刚石增强聚四氟乙烯复合材料及其制备方法 | |
CN103554835B (zh) | 一种中低温快速固化增强用环氧树脂材料的制备方法 | |
CN110255513B (zh) | 一种亲水改性白石墨烯及其制备方法 | |
JP3488836B2 (ja) | 多孔質シリカ・ゴム複合材及びその製造方法 | |
CN107936472B (zh) | 一种高导热环氧复合材料的制备方法 | |
WO2017128834A1 (zh) | 一种耐高温高导率的导电塑料的制备方法 | |
CN110511507B (zh) | 一种聚氯乙烯增韧改性剂及其制备方法 | |
CN109337149B (zh) | 一种含细菌纤维素的多功能橡胶复合材料及其制备方法 | |
CN112592578B (zh) | 一种阻燃塑料及其制备方法 | |
CN111454542B (zh) | 一种金属腐蚀防护聚合物复合材料及其制备方法 | |
CN112029240A (zh) | 一种高导热聚合物碳纳米管复合材料及其制备方法 |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
|
RJ01 | Rejection of invention patent application after publication |