CN106220807A - 一种液化改性木质素填充型聚氨酯发泡胶 - Google Patents
一种液化改性木质素填充型聚氨酯发泡胶 Download PDFInfo
- Publication number
- CN106220807A CN106220807A CN201610604954.2A CN201610604954A CN106220807A CN 106220807 A CN106220807 A CN 106220807A CN 201610604954 A CN201610604954 A CN 201610604954A CN 106220807 A CN106220807 A CN 106220807A
- Authority
- CN
- China
- Prior art keywords
- sodium hydroxide
- glue
- resin filled
- polyurethane foam
- foam
- 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- Withdrawn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
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
- C08G18/28—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
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- 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
- C08G18/6677—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 having at least three hydroxy groups
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/125—Water, e.g. hydrated salts
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
-
- 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
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
本发明公开了一种液化改性木质素填充型聚氨酯发泡胶,由下列重量份的原料制成:二苯基甲烷二异氰酸酯150‑160、三羟基聚氧化丙烯醚100‑105、蓖麻油100‑110、丙三醇5‑6、磷酸二乙酯40‑43、1mol/L的氢氧化钠溶液适量、硅藻土13‑15、蒸馏水5‑6、三乙醇胺2‑3、二月桂酸二丁基锡3‑4、聚丙烯酰胺3‑4、硅树脂聚醚乳液3‑4、玉米秸秆酶解木质素粉末4‑6、聚乙二醇400 8‑10、无水乙醇2‑3、1.84g/mL的硫酸0.2‑0.3、氢氧化钠适量。本发明制成的发泡胶泡孔紧密,密度适中,可现场发泡用于机柜的密封,压缩回弹性好。
Description
技术领域
本发明涉及发泡胶技术领域,尤其涉及一种液化改性木质素填充型聚氨酯发泡胶。
背景技术
双组分聚氨酯胶黏剂是聚氨酯胶黏剂中最重要的一类,通常由A组分(主剂)和B组分(固化剂)组成,其中A组分为羟基组分,B组分为含游离异氰酸酯基组分,二者分开包装,可按一定比例配制使用。在我国,发泡型双组分聚氨酯胶黏剂的研究始于1995年,20世纪90年代后期逐渐投入使用。发泡型双组分聚氨酯胶黏剂具有多孔性、相对密度较低、比强度较高等特点,按照原料和配方的不同可制成普通软泡、硬泡、高回弹泡沫以及慢回弹泡沫等,现已被广泛应用于汽车、电子、机柜、过滤器、三防灯具、防爆壳体、家用电器等多个应用领域。因此,发泡型双组分聚氨酯胶黏剂的推广前景非常乐观。本发明针对其在开关柜、机柜密封等方面的应用进行研究。开关柜或者机柜等外壳的作用是避免内部设备受外界因素的干扰,但仅有外壳不足以阻挡外部风沙或电磁辐射,这时,需要密封条来增加产品整体密封性能。传统密封工艺是采用物理粘接方法将标准密封件粘接在密封位置,该方法存在生产效率低、可靠性差、不美观等诸多缺陷。
《发泡型双组分聚氨酯胶黏剂的制备》一文中以三羟基聚氧化丙烯醚、蓖麻油和二苯基甲烷二异氰酸酯为主要原料,丙三醇为扩链剂,水为发泡剂,通过合适的配比,采用预聚法合成了一种发泡型双组分聚氨酯胶黏剂,制成的发泡胶黏剂泡沫均匀细腻,拉伸剪切强度较高,综合性能较优,但其耐热性能较差,容易燃烧,用做开关柜或者机柜的密封时,不能满足使用的安全性,这就需要对其热稳定性进行加强改性,提高阻燃性能。
发明内容
本发明目的就是为了弥补已有技术的缺陷,提供一种液化改性木质素填充型聚氨酯发泡胶。
本发明是通过以下技术方案实现的:
一种液化改性木质素填充型聚氨酯发泡胶,由下列重量份的原料制成:二苯基甲烷二异氰酸酯150-160、三羟基聚氧化丙烯醚100-105、蓖麻油100-110、丙三醇5-6、磷酸二乙酯40-43、1mol/L的氢氧化钠溶液适量、硅藻土13-15、蒸馏水5-6、三乙醇胺2-3、二月桂酸二丁基锡3-4、聚丙烯酰胺3-4、硅树脂聚醚乳液3-4、玉米秸秆酶解木质素粉末4-6、聚乙二醇4008-10、无水乙醇2-3、1.84g/mL的硫酸0.2-0.3、氢氧化钠适量。
所述一种液化改性木质素填充型聚氨酯发泡胶,由以下具体步骤制成:
(1)将三羟基聚氧化丙烯醚、蓖麻油和丙三醇倒入反应釜中,恒温水浴加热至85-90℃,以150-200转/分的速度搅拌反应60-90分钟,然后降温至40-50℃,缓慢滴加磷酸二乙酯,在30分钟内加完,滴加完毕,升温至70-75℃,反应2-3小时,待反应完毕用1mol/L的氢氧化钠溶液中和至pH为7,在55-60℃减压脱水;
(2)将聚乙二醇400与无水乙醇混合,加入玉米秸秆酶解木质素粉末,搅拌均匀后加入1.84g/mL的硫酸,继续搅拌后放入120℃的油浴中,以300-400转/分的速度搅拌反应50-60分钟,反应结束后降温至室温,加入适量氢氧化钠,调节pH值至7,得到液化木质素;
(3)将硅藻土烘干粉碎,过300目筛,然后与步骤(1)得到的反应产物、步骤(2)得到的液化木质素混合,依次加入三乙醇胺、二月桂酸二丁基锡、蒸馏水以及除二苯基甲烷二异氰酸酯之外的其余剩余成分,以800-1000转/分的速度搅拌2-3分钟,得到混合料A;
(4)在发泡胶使用现场将混合料A加热至恒温30℃,然后加入二苯基甲烷二异氰酸酯,快速混合,用电动搅拌器以300-400转/分的速度进行搅拌15-20秒后,将混合料涂到工件表面,加热至25-30℃,使其自行发泡,然后表面干燥,实现现场发泡成型,得到发泡胶。
本发明的优点是:本发明通过三羟基聚氧化丙烯醚、蓖麻油与丙三醇复配,通过搅拌混合可以与B组分中游离的异氰酸酯基发生交联反应,生成稳定的体型结构;在反应体系中添加磷酸二乙酯,可以提高体系的氧指数,配合硅藻土的添加,进一步提高体系的阻燃性能,而且随着硅藻土的添加,发泡胶的泡孔变得更加紧密,降低了其导热系数,使其具有良好的隔热效果;本发明还在反应过程中添加一定量的三乙醇胺和二月桂酸二丁基锡,使其形成复合催化体系,对体系中各个反应进行催化作用从而达到平衡的发泡状态;本发明利用蒸馏水作为发泡剂,不使用有机溶剂,安全环保,可以形成外观优良,泡沫均匀细腻,黏度适中,阻燃效果优异,使用时易于涂覆,并且固化后的拉伸剪切强度较高的发泡胶。
本发明通过聚乙二醇与无水乙醇共混对木质素进行液化改性,添加到发泡体系中,提高了体系的粘度,提高了体系的刚性以及压缩强度;本发明制成的发泡胶泡孔紧密,密度适中,可现场发泡用于机柜的密封,压缩回弹性好。
具体实施方式
一种液化改性木质素填充型聚氨酯发泡胶,由下列重量份(公斤)的原料制成:二苯基甲烷二异氰酸酯150、三羟基聚氧化丙烯醚100、蓖麻油100、丙三醇5、磷酸二乙酯40、1mol/L的氢氧化钠溶液适量、硅藻土13、蒸馏水5、三乙醇胺2、二月桂酸二丁基锡3、聚丙烯酰胺3、硅树脂聚醚乳液3、玉米秸秆酶解木质素粉末4、聚乙二醇400 8、无水乙醇2、1.84g/mL的硫酸0.2、氢氧化钠适量。
所述一种液化改性木质素填充型聚氨酯发泡胶,由以下具体步骤制成:
(1)将三羟基聚氧化丙烯醚、蓖麻油和丙三醇倒入反应釜中,恒温水浴加热至85℃,以150转/分的速度搅拌反应60分钟,然后降温至40℃,缓慢滴加磷酸二乙酯,在30分钟内加完,滴加完毕,升温至70℃,反应2小时,待反应完毕用1mol/L的氢氧化钠溶液中和至pH为7,在55℃减压脱水;
(2)将聚乙二醇400与无水乙醇混合,加入玉米秸秆酶解木质素粉末,搅拌均匀后加入1.84g/mL的硫酸,继续搅拌后放入120℃的油浴中,以300转/分的速度搅拌反应50分钟,反应结束后降温至室温,加入适量氢氧化钠,调节pH值至7,得到液化木质素;
(3)将硅藻土烘干粉碎,过300目筛,然后与步骤(1)得到的反应产物、步骤(2)得到的液化木质素混合,依次加入三乙醇胺、二月桂酸二丁基锡、蒸馏水以及除二苯基甲烷二异氰酸酯之外的其余剩余成分,以800转/分的速度搅拌2分钟,得到混合料A;
(4)在发泡胶使用现场将混合料A加热至恒温30℃,然后加入二苯基甲烷二异氰酸酯,快速混合,用电动搅拌器以300转/分的速度进行搅拌15秒后,将混合料涂到工件表面,加热至25℃,使其自行发泡,然后表面干燥,实现现场发泡成型,得到发泡胶。
本发明将混合料A与二苯基甲烷二异氰酸酯通过合适的配比通过混合搅拌,再涂到开关柜或机柜的沟槽中,经化学反应发泡、表面结皮,实现现场发泡成型;通过测试,得到表干时间17分钟,完全固化时间小于12小时;进行专项的压缩试验,测试回弹损失率符合产品要求。
Claims (2)
1.一种液化改性木质素填充型聚氨酯发泡胶,其特征在于,由下列重量份的原料制成:二苯基甲烷二异氰酸酯150-160、三羟基聚氧化丙烯醚100-105、蓖麻油100-110、丙三醇5-6、磷酸二乙酯40-43、1mol/L的氢氧化钠溶液适量、硅藻土13-15、蒸馏水5-6、三乙醇胺2-3、二月桂酸二丁基锡3-4、聚丙烯酰胺3-4、硅树脂聚醚乳液3-4、玉米秸秆酶解木质素粉末4-6、聚乙二醇400 8-10、无水乙醇2-3、1.84g/mL的硫酸0.2-0.3、氢氧化钠适量。
2.根据权利要求1所述一种液化改性木质素填充型聚氨酯发泡胶,其特征在于,由以下具体步骤制成:
(1)将三羟基聚氧化丙烯醚、蓖麻油和丙三醇倒入反应釜中,恒温水浴加热至85-90℃,以150-200转/分的速度搅拌反应60-90分钟,然后降温至40-50℃,缓慢滴加磷酸二乙酯,在30分钟内加完,滴加完毕,升温至70-75℃,反应2-3小时,待反应完毕用1mol/L的氢氧化钠溶液中和至pH为7,在55-60℃减压脱水;
(2)将聚乙二醇400与无水乙醇混合,加入玉米秸秆酶解木质素粉末,搅拌均匀后加入1.84g/mL的硫酸,继续搅拌后放入120℃的油浴中,以300-400转/分的速度搅拌反应50-60分钟,反应结束后降温至室温,加入适量氢氧化钠,调节pH值至7,得到液化木质素;
(3)将硅藻土烘干粉碎,过300目筛,然后与步骤(1)得到的反应产物、步骤(2)得到的液化木质素混合,依次加入三乙醇胺、二月桂酸二丁基锡、蒸馏水以及除二苯基甲烷二异氰酸酯之外的其余剩余成分,以800-1000转/分的速度搅拌2-3分钟,得到混合料A;
(4)在发泡胶使用现场将混合料A加热至恒温30℃,然后加入二苯基甲烷二异氰酸酯,快速混合,用电动搅拌器以300-400转/分的速度进行搅拌15-20秒后,将混合料涂到工件表面,加热至25-30℃,使其自行发泡,然后表面干燥,实现现场发泡成型,得到发泡胶。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610604954.2A CN106220807A (zh) | 2016-07-28 | 2016-07-28 | 一种液化改性木质素填充型聚氨酯发泡胶 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610604954.2A CN106220807A (zh) | 2016-07-28 | 2016-07-28 | 一种液化改性木质素填充型聚氨酯发泡胶 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106220807A true CN106220807A (zh) | 2016-12-14 |
Family
ID=57533250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610604954.2A Withdrawn CN106220807A (zh) | 2016-07-28 | 2016-07-28 | 一种液化改性木质素填充型聚氨酯发泡胶 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106220807A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108559252A (zh) * | 2017-12-19 | 2018-09-21 | 翟琳 | 一种铁路轨道弹性垫板的制备方法 |
CN110437799A (zh) * | 2019-07-31 | 2019-11-12 | 苏州贤昆智能科技有限公司 | 一种生物质胶粘剂及其制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101831268A (zh) * | 2010-03-24 | 2010-09-15 | 山东东大聚合物股份有限公司 | 连续法生产岩棉彩钢夹芯板用双组份环保聚氨酯胶粘剂及其制备方法 |
CN105669936A (zh) * | 2016-03-29 | 2016-06-15 | 中国林业科学研究院林产化学工业研究所 | 一种含磷腰果酚基聚氨酯预聚体改性酚醛泡沫塑料及其制备方法 |
-
2016
- 2016-07-28 CN CN201610604954.2A patent/CN106220807A/zh not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101831268A (zh) * | 2010-03-24 | 2010-09-15 | 山东东大聚合物股份有限公司 | 连续法生产岩棉彩钢夹芯板用双组份环保聚氨酯胶粘剂及其制备方法 |
CN105669936A (zh) * | 2016-03-29 | 2016-06-15 | 中国林业科学研究院林产化学工业研究所 | 一种含磷腰果酚基聚氨酯预聚体改性酚醛泡沫塑料及其制备方法 |
Non-Patent Citations (3)
Title |
---|
中华人民共和国公安部消防局 编: "《中国消防手册》", 31 December 2007, 上海科学技术出版社 * |
中国石油化工总公司生产部编: "《中国石油化工总公司石油化工产品大全》", 31 December 1992, 中国石化出版社 * |
李燕等: "填充型和液化改性型木质素基聚氨酯泡沫的性能比较", 《林业科学》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108559252A (zh) * | 2017-12-19 | 2018-09-21 | 翟琳 | 一种铁路轨道弹性垫板的制备方法 |
CN110437799A (zh) * | 2019-07-31 | 2019-11-12 | 苏州贤昆智能科技有限公司 | 一种生物质胶粘剂及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106244084A (zh) | 一种空心玻璃微珠增强导热系数的聚氨酯发泡胶 | |
CN106221657A (zh) | 一种气密性佳的阻燃聚氨酯发泡胶 | |
CN104262567B (zh) | 一种以三聚氰胺为基本征的阻燃聚氨酯硬质泡沫及其制备方法 | |
CN103665305B (zh) | 高阻燃型聚异氰脲酸酯硬质泡沫及其制备方法 | |
CN102807812A (zh) | 一种潜固化单组分聚氨酯防水涂料及其制备方法 | |
CN106065308A (zh) | 一种镍与石墨烯复合增强电磁屏蔽效果的聚氨酯发泡胶 | |
CN103910887A (zh) | 应用于单组份聚氨酯泡沫填缝剂的有机硅泡沫稳定剂的制备方法 | |
CN107556962B (zh) | 建筑用双组份聚氨酯胶黏剂及其制备方法 | |
CN104292412A (zh) | 一种纤维素基聚氨酯预聚体及使用其的密封材料、制备方法和应用 | |
CN107353389B (zh) | 一种高开孔率生物质基硬质聚氨酯泡沫及其制备方法 | |
CN107459620A (zh) | 阻燃多元醇的制法及其制备的聚氨酯泡沫和聚氨酯密封胶 | |
CN106065309A (zh) | 一种可膨胀石墨协同硅藻土阻燃增强的聚氨酯发泡胶 | |
CN106190001A (zh) | 一种防虫鼠啃咬的聚氨酯密封用发泡胶 | |
CN107880239A (zh) | 一种单组份聚氨酯泡沫填缝剂 | |
CN103497302A (zh) | 一种沙发革用环保型无溶剂发泡底料及其制备方法 | |
CN106220807A (zh) | 一种液化改性木质素填充型聚氨酯发泡胶 | |
CN103740315A (zh) | 一种耐高温反应型热熔胶 | |
CN104910852A (zh) | 一种纳米TiO2改性碳酸酯聚氨酯胶黏剂的制备方法 | |
CN107629190A (zh) | 太阳能保温水箱用改性聚氨酯保温材料 | |
CN106190002A (zh) | 一种添加大分子改性碳酸钙的聚氨酯发泡胶 | |
CN106190000A (zh) | 一种双重防水的聚氨酯发泡胶 | |
CN106221656A (zh) | 一种压缩回弹性好的用于密封的聚氨酯发泡胶 | |
CN106221662A (zh) | 一种用于开关柜密封的耐磨增强聚氨酯发泡胶 | |
CN106244083A (zh) | 一种可生物降解的环保型聚氨酯发泡胶 | |
CN104371631B (zh) | 一种单组份无溶剂湿固化聚氨酯粘胶剂及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161214 |