CN109575231A - 一种低voc聚氨酯汽车方向盘的制备方法 - Google Patents
一种低voc聚氨酯汽车方向盘的制备方法 Download PDFInfo
- Publication number
- CN109575231A CN109575231A CN201811490332.7A CN201811490332A CN109575231A CN 109575231 A CN109575231 A CN 109575231A CN 201811490332 A CN201811490332 A CN 201811490332A CN 109575231 A CN109575231 A CN 109575231A
- Authority
- CN
- China
- Prior art keywords
- preparation
- steering wheel
- raw material
- mdi
- oil
- 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
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/61—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/6696—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0058—≥50 and <150kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Steering Controls (AREA)
Abstract
本发明属于高分子材料技术领域,具体为一种低VOC聚氨酯汽车方向盘的制备方法。聚氨酯汽车方向盘由A料与B料为原料制备加工得到;其中:A料由聚醚多元醇、植物油、胺类催化剂、羟基硅油、扩链剂和发泡剂组成;B料由液化MDI和粗MDI组成。本发明选用低挥发、反应型原料,生产方法不仅简单易实施,而且具有环保、无污染等优点。所制备的方向盘在不影响聚氨酯汽车方向盘其他性能的前提下,降低了挥发性有机物的含量,能满足中高端汽车市场对聚氨酯低VOC方向盘的要求。
Description
技术领域
本发明属于高分子材料技术领域,具体涉及一种低VOC聚氨酯汽车方向盘的制备方法。
背景技术
随着国内汽车行业迅猛发展以及人们健康环保意识的日益提高,中高端车辆对车辆内饰的要求越来越高,国内传统聚氨酯工艺制作的方向盘已无法满这些车辆配件需求;而从国外进口的方向盘价格昂贵。因此,国产化低VOC方向盘的研制开发已提到当前国内汽车发展的议事日程。
发明内容
为了克服现有技术的不足,本发明的目的是提供一种工艺简单、安全环保的低VOC聚氨酯汽车方向盘的制备方法。本发明的技术方案具体介绍如下。
一种低VOC聚氨酯汽车方向盘的制备方法,其由以下重量份的原料制备加工得到:聚醚多元醇90~95份、植物油0.5~1.5份、胺类催化剂0.1~0.3份、羟基硅油0.5~2.5份、发泡剂1.5~2.5份、扩链剂1~3份、粗MDI 45~60份、液化MDI 15~20份;
该制备方法的具体步骤如下:
①A料的准备:向聚醚多元醇中加入植物油、胺类催化剂、发泡剂、羟基硅油和扩链剂,加完后,控制转速为50~80rpm/min,在20~40℃的温度下搅拌40~60min,即得A料;
②B料的准备:将液化MDI与粗MDI在20~40℃的温度下搅拌30~50min,转速控制在30~50rpm/min,即得B料;
③原料的准备:将A料打入发泡机A组原料桶内;将B料打入发泡机B组原料桶内;
④方向盘的制备:用发泡机将A料与B料在浇注机混合头的混合区混合均匀,浇注成型;脱模,对聚氨酯泡沫板切割整理,用皮革将方向盘包裹,得到低VOC方向盘。
本发明中,所述聚醚多元醇的重均分子量为5500±300。
本发明中,所述植物油选自分析级大豆油、分析级麻风树油或分析级棕榈油的一种或几种。
本发明中,所述发泡剂为水。
本发明中,所述胺类催化剂选自N,N-二甲基丁胺、三亚乙基二胺、N-乙基吗啉或N-甲基吗啉中的一种或几种。
本发明中,扩链剂选自1,4-环已二醇、氢化双酚A或丙二醇中的一种或几种。
本发明中,液化MDI为氨酯改性MDI。粗MDI是一种不同官能度的多异氧酸酯混合物,其中n-0的二异氰酸酯(MDI)占混合物的50%左右,其余是3官能度平均分子量为350-420的低聚合度异氰酸酯,常温下为褐色至棕色液体。
本发明中,步骤④中,脱模时间为10~20分钟。在试验过程中,得到证明,在该脱模时间内可以保证产品的成形性能。若时间太短产品成形不完全,时间太长影响生产效率,造成生产的成本浪费。
本发明中,步骤①、②中的搅拌温度为20℃~40℃。在试验过程中,得到证明,在该温度范围可以保证各物料的均匀混合,温度太低易造成混合不混匀的现象,温度太高影响原材料性能。
和现有技术相比,本发明的有益效果在于:
(1)由于采用重均分子量为5500±300的聚醚多元醇作为原料,加入0.5%~1.5%的植物油,在不影响聚氨酯汽车仪表板其他性能的前提下,降低了VOC的挥发量,提高环保性能;
(2)所选用的原材料常温下均为液体,储存压力小,生产成本低,生产方法简便;
(3)在制备方法的设计上,采取全水发泡技术,无毒环保,无臭氧破坏效应,是一种环保型生产方法;
(4)所选用的原材料为低挥发、反应型原料,所制备的方法具有环保、无污染等优点。
(5)所述的低VOC聚氨酯汽车方向盘的制备方法,不但节能环保,而且简单易行,不需要后续处理,可以满足中高端汽车市场对汽车方向盘环保性能的要求。
上述说明仅是本发明技术方案的概述,为了能够更清楚了解本发明的技术手段,并可依照说明书的内容予以实施,以下以本发明的较佳实施例说明如后。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整的描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例,不用来限制本发明的范围。基于本发明的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
①A料的准备:向91kg长华公司的聚醚多元醇CHE-828D,加入三亚乙基二胺0.1kg,加入水2kg,加入嘉兴科瑞有机硅有限公司106羟基硅油1kg,加入丙二醇1kg,控制转速在50~80转/min,在常温下搅拌50min,即可得A料;
②B料的准备:加入万华公司的6928质量15.5kg,加入万华公司的MDI-50质量50kg。将两者在常温下搅拌40min,转速控制在30~50转/min,即得B料;
③原料的准备:将A料打入发泡机A组原料桶内;将B料打入发泡机B组原料桶内;
④方向盘的制备:用发泡机将上述A料与B料在浇注机混合头的混合区混合均匀,浇注成型;脱模,对聚氨酯泡沫板切割整理,用皮革将方向盘包裹,得到低VOC方向盘。
实施例2
①A料的准备:向90kg长华公司的聚醚多元醇CHE-828D,加入麻风树油1kg,加入三亚乙基二胺0.1kg,加入水2kg,加入嘉兴科瑞有机硅有限公司106羟基硅油1kg,加入丙二醇1kg,控制转速在50~80转/min,在常温下搅拌50min,即可得A料;
②B料的准备:加入万华公司的6928质量15.5kg,加入万华公司的MDI-50质量50kg。将两者在常温下搅拌40min,转速控制在30~50转/min,即得B料;
③原料的准备:将A料打入发泡机A组原料桶内;将B料打入发泡机B组原料桶内;
④方向盘的制备:用发泡机将上述A料与B料在浇注机混合头的混合区混合均匀,浇注成型;脱模,对聚氨酯泡沫板切割整理,用皮革将方向盘包裹,得到低VOC方向盘。
实施例3
①A料的准备:加入长华公司的聚醚多元醇CHE-828D95kg,加入大豆油0.5kg,加入三亚乙基二胺0.2kg,加入水2kg,加入嘉兴科瑞有机硅有限公司106羟基硅油2kg,加入丙二醇2kg,控制转速在50~80转/min,在常温下搅拌50min,即可得A料;
②B料的准备:加入19kg的万华公司6928,加入45kg万华公司的MDI-50。将两者在常温下搅拌40min,转速控制在30~50转/min,即得B料;
③原料的准备:将A料打入发泡机A组原料桶内;将B料打入发泡机B组原料桶内;
④方向盘的制备:用发泡机将上述A料与B料在浇注机混合头的混合区混合均匀,浇注成型;脱模,对聚氨酯泡沫板切割整理,用皮革将方向盘包裹,得到低VOC方向盘。
上述实施例1-3中聚氨酯方向盘的性能指标见表1。
表1
以上所述仅是本发明的优选实施方式,并不用于限制本发明,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明技术原理的前提下,还可以做出若干改进和变型,这些改进和变型也应视为本发明的保护。
Claims (8)
1.一种低VOC聚氨酯汽车方向盘的制备方法,其特征在于,其由以下重量份的原料制备加工得到:聚醚多元醇90~95份、植物油0.5~1.5份、胺类催化剂0.1~0.3份、羟基硅油0.5~2.5份、发泡剂1.5~2.5份、扩链剂1~3份、粗MDI 45~60份、液化MDI 15~20份;
该制备方法的具体步骤如下:
①A料的准备:向聚醚多元醇中加入植物油、胺类催化剂、发泡剂、羟基硅油和扩链剂,加完后,控制转速为50~80rpm/min,在20~40℃的温度下搅拌40~60min,即得A料;
②B料的准备:将液化MDI与粗MDI在20~40℃的温度下搅拌30~50min,转速控制在30~50rpm/min,即得B料;
③原料的准备:将A料打入发泡机A组原料桶内;将B料打入发泡机B组原料桶内;
④方向盘的制备:用发泡机将A料与B料在浇注机混合头的混合区混合均匀,浇注成型;脱模,对聚氨酯泡沫板切割整理,用皮革将方向盘包裹,得到低VOC方向盘。
2.根据权利要求1所述的制备方法,其特征在于:所述聚醚多元醇的重均分子量为5500±300。
3.根据权利要求1所述的制备方法,其特征在于:所述植物油选自分析级大豆油、分析级麻风树油或分析级棕榈油的一种或几种。
4.根据权利要求1所述的制备方法,其特征在于:所述发泡剂为水。
5.根据权利要求1所述的制备方法,其特征在于:所述胺类催化剂选自N,N-二甲基丁胺、三亚乙基二胺、N-乙基吗啉或N-甲基吗啉中的一种或几种。
6.根据权利要求1所述的制备方法,其特征在于:扩链剂选自1,4-环已二醇、氢化双酚A或丙二醇中的一种或几种。
7.根据权利要求1所述的制备方法,其特征在于:液化MDI为氨酯改性MDI。
8.根据权利要求1所述的制备方法,其特征在于:步骤④中,脱模时间为10~20分钟。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811490332.7A CN109575231A (zh) | 2018-12-06 | 2018-12-06 | 一种低voc聚氨酯汽车方向盘的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811490332.7A CN109575231A (zh) | 2018-12-06 | 2018-12-06 | 一种低voc聚氨酯汽车方向盘的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109575231A true CN109575231A (zh) | 2019-04-05 |
Family
ID=65927709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811490332.7A Pending CN109575231A (zh) | 2018-12-06 | 2018-12-06 | 一种低voc聚氨酯汽车方向盘的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109575231A (zh) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102046712A (zh) * | 2008-06-04 | 2011-05-04 | 拜尔材料科学有限公司 | 使用天然油多元醇制备硬质聚异氰脲酸酯泡沫材料的方法 |
CN102181038A (zh) * | 2011-04-07 | 2011-09-14 | 温州市登达化工有限公司 | 一种汽车方向盘用聚氨酯原液的制备方法 |
US8173715B2 (en) * | 2008-05-27 | 2012-05-08 | Nihon Plast Co., Ltd. | Polyurethane resin moulding for vehicle interior part and method of manufacturing the same |
CN102741309A (zh) * | 2008-06-12 | 2012-10-17 | 陶氏环球技术有限责任公司 | 基于天然油的多元醇的多元醇预聚物 |
CN103319685A (zh) * | 2013-05-08 | 2013-09-25 | 杭州康诚汽车附件有限公司 | 一种自结皮聚氨酯泡沫塑料及制备方法 |
WO2016005149A1 (de) * | 2014-07-09 | 2016-01-14 | Evonik Degussa Gmbh | Geruchsarme polyurethansysteme |
CN105324404A (zh) * | 2013-06-18 | 2016-02-10 | 赢创德固赛有限公司 | 异氰酸酯/硅氧烷聚醚组合物 |
CN105601873A (zh) * | 2015-12-31 | 2016-05-25 | 山东一诺威聚氨酯股份有限公司 | 汽车方向盘用聚氨酯自结皮组合料及其制备方法 |
CN108084949A (zh) * | 2017-12-21 | 2018-05-29 | 新纳奇材料科技江苏有限公司 | 一种纳米改性双组分无溶剂软包装粘合剂及其制备方法 |
-
2018
- 2018-12-06 CN CN201811490332.7A patent/CN109575231A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8173715B2 (en) * | 2008-05-27 | 2012-05-08 | Nihon Plast Co., Ltd. | Polyurethane resin moulding for vehicle interior part and method of manufacturing the same |
CN102046712A (zh) * | 2008-06-04 | 2011-05-04 | 拜尔材料科学有限公司 | 使用天然油多元醇制备硬质聚异氰脲酸酯泡沫材料的方法 |
CN102741309A (zh) * | 2008-06-12 | 2012-10-17 | 陶氏环球技术有限责任公司 | 基于天然油的多元醇的多元醇预聚物 |
CN102181038A (zh) * | 2011-04-07 | 2011-09-14 | 温州市登达化工有限公司 | 一种汽车方向盘用聚氨酯原液的制备方法 |
CN103319685A (zh) * | 2013-05-08 | 2013-09-25 | 杭州康诚汽车附件有限公司 | 一种自结皮聚氨酯泡沫塑料及制备方法 |
CN105324404A (zh) * | 2013-06-18 | 2016-02-10 | 赢创德固赛有限公司 | 异氰酸酯/硅氧烷聚醚组合物 |
WO2016005149A1 (de) * | 2014-07-09 | 2016-01-14 | Evonik Degussa Gmbh | Geruchsarme polyurethansysteme |
CN105601873A (zh) * | 2015-12-31 | 2016-05-25 | 山东一诺威聚氨酯股份有限公司 | 汽车方向盘用聚氨酯自结皮组合料及其制备方法 |
CN108084949A (zh) * | 2017-12-21 | 2018-05-29 | 新纳奇材料科技江苏有限公司 | 一种纳米改性双组分无溶剂软包装粘合剂及其制备方法 |
Non-Patent Citations (3)
Title |
---|
中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会: "《中华人民共和国国家标准 无损检测 弹药密度工业计算机层析成像(CT)检测方法GB/T35390-2017》", 31 December 2017, 中国标准出版社 * |
区英鸿: "《塑料手册》", 28 February 1991, 兵器工业出版社 * |
孔萍 等: "《塑料材料》", 31 July 2017, 广东高等教育出版社 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101486788B (zh) | 一种低密度高硬度聚氨酯微孔弹性体及其制备方法 | |
CN104448791B (zh) | 高硬度透明聚氨酯弹性体及其制备方法 | |
CN106832203A (zh) | 轮胎用聚氨酯树脂及制备方法 | |
CN105153390B (zh) | 环保型聚氨酯发泡轮胎组合料及其制备方法 | |
CN102504522B (zh) | 用于生产抛光轮的聚氨酯弹性体组合物 | |
WO2017000688A1 (zh) | 家具海绵用聚氨酯组合料及其制备方法 | |
CN101486834A (zh) | 一种高性能纳米聚氨酯微孔弹性体复合材料及其制备方法 | |
CN104672427B (zh) | 一种用于汽车内饰件的高硬度聚氨酯软泡及其制备方法 | |
CN105238070A (zh) | 一种单组份加成型液体硅橡胶及其制备方法 | |
CN104448195A (zh) | 制作透气鞋垫用聚氨酯及其制备方法 | |
CN103524706A (zh) | Papi型聚氨酯慢回弹海绵及其制备方法 | |
CN106632987A (zh) | 耐水解抗撕裂聚氨酯双组份鞋底原液的制备方法 | |
CN109575231A (zh) | 一种低voc聚氨酯汽车方向盘的制备方法 | |
CN102643408A (zh) | 一种工程轮胎胎面用聚氨酯弹性体的制备方法 | |
CN113717213A (zh) | 一种泡沫塑料用粘接助剂、制备方法及应用 | |
CN104479090B (zh) | 聚氨酯延迟性催化剂及其制备方法和应用 | |
CN104497256B (zh) | 用于低模温工艺的聚氨酯组合料及其制备方法 | |
CN106380567A (zh) | 一种以回收再生多元醇为原料制备的聚氨酯高回弹泡沫 | |
CN111500055B (zh) | 一种低温柔型聚氨酯复合鞋材及制备方法 | |
TWI816882B (zh) | 聚氨酯整體表層發泡用組合物、聚氨酯整體表層發泡及其製造方法 | |
CN109553751A (zh) | 一种聚氨酯方向盘的制备方法 | |
CN104059352A (zh) | 聚氨酯pur弹性体及汽车部件发泡阻尼环缓冲圈的制造方法 | |
CN109553750A (zh) | 一种高粘结性聚氨酯汽车仪表板的制作工艺 | |
CN109535381A (zh) | 一种低voc聚氨酯汽车仪表板的制作工艺 | |
CN109553741A (zh) | 一种低成本聚氨酯方向盘的制备方法 |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |