CN105778471A - 一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套 - Google Patents
一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套 Download PDFInfo
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Abstract
本发明公开了一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯55‑58份,聚酯树脂30‑35份,乙丙橡胶22‑25份,异氰酸酯2.4‑2.7份,硫化促进剂DM1.5‑2.5份,三烯丙基异氰脲酸酯0.8‑1.2份,二辛脂2.3‑2.6份,硬脂酸3‑6份,聚乙烯蜡3‑5份,亚硫酸盐1‑2份,炭黑N550 20‑24份,硅藻土粉10‑12,氧化锌0.5‑1份,硅烷偶联剂A‑151 2.2‑2.5份,防老剂BLE 2.8‑3.3份,防老剂OD 4.3‑4.6份。
Description
技术领域
本发明涉及电缆外护套技术领域,尤其涉及一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套。
背景技术
油料工业环境中,易燃物含量极大,对于在其中使用的电缆的安全性能,特别是阻燃性能要求极高;而油料工业自动化程度较高,又对电缆的韧性、强度提出了较高的要求。聚氨酯电缆外护套耐油、耐老化等性能优异,常被用在油料工业中,然而,如何提高其强度、韧性和阻燃性能,以面对要求日益高涨的油料工业需求,成为电缆生产企业关注的重点。
发明内容
基于背景技术存在的技术问题,本发明提出了一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套,强度高,耐油、阻燃性能优异。
本发明提出的一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯55-58份,聚酯树脂30-35份,乙丙橡胶22-25份,异氰酸酯2.4-2.7份,硫化促进剂DM1.5-2.5份,三烯丙基异氰脲酸酯0.8-1.2份,二辛脂2.3-2.6份,硬脂酸3-6份,聚乙烯蜡3-5份,亚硫酸盐1-2份,炭黑N550 20-24份,硅藻土粉10-12份,氧化锌0.5-1份,硅烷偶联剂A-151 2.2-2.5份,防老剂BLE 2.8-3.3份,防老剂OD 4.3-4.6份。
优选地,高柔韧性疏水阻燃聚氨酯、聚酯树脂、乙丙橡胶的重量比为56-57:32-33:23-24。
优选地,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯56-57份,聚酯树脂32-33份,乙丙橡胶23-24份,异氰酸酯2.5-2.6份,硫化促进剂DM1.8-2.4份,三烯丙基异氰脲酸酯0.9-1份,二辛脂2.4-2.5份,硬脂酸4-5份,聚乙烯蜡3.5-4.5份,亚硫酸盐1.5-1.8份,炭黑N550 21-23份,硅藻土粉10.5-11份,氧化锌0.6-0.8份,硅烷偶联剂A-151 2.3-2.4份,防老剂BLE 2.9-3.2份,防老剂OD 4.4-4.5份。
优选地,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、将大豆油、三氯氧磷、六氟双酚A、三氯化铝,搅拌均匀后抽真空,接着升温,保温得到改性大豆油;
S2、将改性大豆油、双酚基丙烷、咪唑、腰果酚,搅拌均匀后,升温,保温后,降温,然后加入苯酚,搅拌均匀后继续降温,接着加入甲醛、三聚氰胺、氨水、三乙胺,然后升温,保温后,真空脱水得到改性酚醛树脂;
S3、将改性酚醛树脂、二环己基甲烷二异氰酸酯、甲基丙二醇、甘油、有机铋盐和丙酮混合均匀后,升高温度,抽真空,接着升高温度,保温后,继续升高温度至,熟化得到高柔韧性疏水阻燃聚氨酯。
优选地,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、将大豆油、三氯氧磷、六氟双酚A、三氯化铝,搅拌均匀后抽真空,接着升温至118-120℃,保温50-55min得到改性大豆油;
S2、将改性大豆油、双酚基丙烷、咪唑、腰果酚,搅拌均匀后,升温至120-140℃,保温2-3h后,降温到80-90℃,然后加入苯酚,搅拌均匀后继续降温至60-70℃,接着加入甲醛、三聚氰胺、氨水、三乙胺,然后升温至85-88℃,保温55-58min后,真空脱水得到改性酚醛树脂;
S3、将改性酚醛树脂、二环己基甲烷二异氰酸酯、甲基丙二醇、甘油、有机铋盐和丙酮混合均匀后,升高温度至85-88℃,抽真空,接着升高温度至98-102℃,保温2-3h后,继续升高温度至110-115℃,熟化80-90min得到高柔韧性疏水阻燃聚氨酯。
优选地,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、按重量份将140-150份大豆油、35-38份三氯氧磷、22-26份六氟双酚A、0.13-0.17份三氯化铝,搅拌均匀后抽真空,接着升温至118-120℃,保温50-55min得到改性大豆油;
S2、按重量份将40-50份改性大豆油、14-17份双酚基丙烷、2.1-2.4份咪唑、6-8份腰果酚,搅拌均匀后,升温至120-140℃,保温2-3h后,降温到80-90℃,然后加入220-250份苯酚,搅拌均匀后继续降温至60-70℃,接着加入330-360份甲醛、45-50份三聚氰胺、23-26份氨水、6-9份三乙胺,然后升温至85-88℃,保温55-58min后,真空脱水得到改性酚醛树脂;
S3、按重量份将75-78份改性酚醛树脂、64-66份二环己基甲烷二异氰酸酯、30-33份甲基丙二醇、2.6-3份甘油、1.2-1.4份有机铋盐和丙酮混合均匀后,升高温度至85-88℃,抽真空,接着升高温度至98-102℃,保温2-3h后,继续升高温度至110-115℃,熟化80-90min得到高柔韧性疏水阻燃聚氨酯。
本发明外护套制备过程中,改性大豆油的制备过程保留了其工艺简便易操作、产品韧性好的特点,在催化剂三氯化铝的作用下,引入阻燃类的磷元素和溴元素,均匀、牢固地连接在酚醛树脂分子表面,与双酚基丙烷产生协同作用,大大提高了本发明的阻燃效率;同时,大豆油中柔性长碳链的引入,增强了本发明的韧性;而三聚氰胺将改性大豆油中的长分子链与酚醛树脂有机结合,形成立体网状结构,得到的改性酚醛树脂大大提高了本发明的耐热性能;而将改性酚醛树脂、二环己基甲烷二异氰酸酯等物料在小分子扩链剂甲基丙二醇、交联剂甘油、催化剂有机铋盐的作用下,迅速交联形成韧性高、阻燃性能优异的高柔韧性疏水阻燃聚氨酯;而本发明外护套采用特定比例高柔韧性疏水阻燃聚氨酯、聚酯树脂、乙丙橡胶作为主料,大大增强了本发明外护套的强度、韧性和阻燃性能;异氰酸酯、硫化促进剂DM、三烯丙基异氰脲酸酯配合,能够加速硫化链反应的引发和链结构的增长,缩短了硫化时间,改善了本发明外护套的结构,提高本发明外护套的物理机械性能、强度和柔韧性;二辛脂的添加,能与硬脂酸、聚乙烯蜡、亚硫酸盐配合,提高本发明外护套的可塑性,使本发明外护套易于加工成型;炭黑N550、硅藻土粉、氧化锌的添加,能够在硅烷偶联剂A-151、二辛脂的作用下,均匀分布在本发明外护套中,大幅提高本发明外护套强度的同时,增加了容积,降低了成本;防老剂BLE、防老剂OD配合,能够提高本发明外护套抗老化、防氧化性能,延长本发明使用寿命。
具体实施方式
下面,通过具体实施例对本发明的技术方案进行详细说明。
实施例1
本发明提出的一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯58份,聚酯树脂30份,乙丙橡胶25份,异氰酸酯2.4份,硫化促进剂DM2.5份,三烯丙基异氰脲酸酯0.8份,二辛脂2.6份,硬脂酸3份,聚乙烯蜡5份,亚硫酸盐1份,炭黑N550 24份,硅藻土粉10份,氧化锌1份,硅烷偶联剂A-151 2.2份,防老剂BLE 3.3份,防老剂OD 4.3份。
其中,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、按重量份将150份大豆油、35份三氯氧磷、26份六氟双酚A、0.13份三氯化铝,搅拌均匀后抽真空,接着升温至120℃,保温50min得到改性大豆油;
S2、按重量份将50份改性大豆油、14份双酚基丙烷、2.4份咪唑、6份腰果酚,搅拌均匀后,升温至140℃,保温2h后,降温到90℃,然后加入220份苯酚,搅拌均匀后继续降温至70℃,接着加入330份甲醛、50份三聚氰胺、23份氨水、9份三乙胺,然后升温至85℃,保温58min后,真空脱水得到改性酚醛树脂;
S3、按重量份将75份改性酚醛树脂、66份二环己基甲烷二异氰酸酯、30份甲基丙二醇、3份甘油、1.2份有机铋盐和丙酮混合均匀后,升高温度至88℃,抽真空,接着升高温度至98℃,保温3h后,继续升高温度至110℃,熟化90min得到高柔韧性疏水阻燃聚氨酯。
实施例2
本发明提出的一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯55份,聚酯树脂35份,乙丙橡胶22份,异氰酸酯2.7份,硫化促进剂DM1.5份,三烯丙基异氰脲酸酯1.2份,二辛脂2.3份,硬脂酸6份,聚乙烯蜡3份,亚硫酸盐2份,炭黑N550 20份,硅藻土粉12份,氧化锌0.5份,硅烷偶联剂A-151 2.5份,防老剂BLE 2.8份,防老剂OD 4.6份。
其中,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、按重量份将140份大豆油、38份三氯氧磷、22份六氟双酚A、0.17份三氯化铝,搅拌均匀后抽真空,接着升温至118℃,保温55min得到改性大豆油;
S2、按重量份将40份改性大豆油、17份双酚基丙烷、2.1份咪唑、8份腰果酚,搅拌均匀后,升温至120℃,保温3h后,降温到80℃,然后加入250份苯酚,搅拌均匀后继续降温至60℃,接着加入360份甲醛、45份三聚氰胺、26份氨水、6份三乙胺,然后升温至88℃,保温55min后,真空脱水得到改性酚醛树脂;
S3、按重量份将78份改性酚醛树脂、64份二环己基甲烷二异氰酸酯、33份甲基丙二醇、2.6份甘油、1.4份有机铋盐和丙酮混合均匀后,升高温度至85℃,抽真空,接着升高温度至102℃,保温2h后,继续升高温度至115℃,熟化80min得到高柔韧性疏水阻燃聚氨酯。
实施例3
本发明提出的一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯57份,聚酯树脂32份,乙丙橡胶24份,异氰酸酯2.5份,硫化促进剂DM2.4份,三烯丙基异氰脲酸酯0.9份,二辛脂2.5份,硬脂酸4份,聚乙烯蜡4.5份,亚硫酸盐1.5份,炭黑N550 23份,硅藻土粉10.5份,氧化锌0.8份,硅烷偶联剂A-151 2.3份,防老剂BLE 3.2份,防老剂OD 4.4份。
其中,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、按重量份将147份大豆油、36份三氯氧磷、25份六氟双酚A、0.14份三氯化铝,搅拌均匀后抽真空,接着升温至120℃,保温51min得到改性大豆油;
S2、按重量份将48份改性大豆油、15份双酚基丙烷、2.3份咪唑、6.5份腰果酚,搅拌均匀后,升温至135℃,保温2.5h后,降温到88℃,然后加入230份苯酚,搅拌均匀后继续降温至66℃,接着加入340份甲醛、48份三聚氰胺、24份氨水、8份三乙胺,然后升温至86℃,保温57min后,真空脱水得到改性酚醛树脂;
S3、按重量份将76份改性酚醛树脂、65份二环己基甲烷二异氰酸酯、31份甲基丙二醇、2.8份甘油、1.2份有机铋盐和丙酮混合均匀后,升高温度至87℃,抽真空,接着升高温度至99℃,保温3h后,继续升高温度至111℃,熟化88min得到高柔韧性疏水阻燃聚氨酯。
实施例4
本发明提出的一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯56份,聚酯树脂33份,乙丙橡胶23份,异氰酸酯2.6份,硫化促进剂DM1.8份,三烯丙基异氰脲酸酯1份,二辛脂2.4份,硬脂酸5份,聚乙烯蜡3.5份,亚硫酸盐1.8份,炭黑N550 21份,硅藻土粉11份,氧化锌0.6份,硅烷偶联剂A-151 2.4份,防老剂BLE 2.9份,防老剂OD 4.5份。
其中,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、按重量份将144份大豆油、37份三氯氧磷、23份六氟双酚A、0.15份三氯化铝,搅拌均匀后抽真空,接着升温至119℃,保温54min得到改性大豆油;
S2、按重量份将43份改性大豆油、16份双酚基丙烷、2.2份咪唑、7份腰果酚,搅拌均匀后,升温至130℃,保温2.8h后,降温到83℃,然后加入240份苯酚,搅拌均匀后继续降温至63℃,接着加入350份甲醛、46份三聚氰胺、25份氨水、7份三乙胺,然后升温至87℃,保温56min后,真空脱水得到改性酚醛树脂;
S3、按重量份将77份改性酚醛树脂、64份二环己基甲烷二异氰酸酯、32份甲基丙二醇、2.7份甘油、1.3份有机铋盐和丙酮混合均匀后,升高温度至86℃,抽真空,接着升高温度至101℃,保温2.5h后,继续升高温度至113℃,熟化84min得到高柔韧性疏水阻燃聚氨酯。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (6)
1.一种油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其特征在于,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯55-58份,聚酯树脂30-35份,乙丙橡胶22-25份,异氰酸酯2.4-2.7份,硫化促进剂DM1.5-2.5份,三烯丙基异氰脲酸酯0.8-1.2份,二辛脂2.3-2.6份,硬脂酸3-6份,聚乙烯蜡3-5份,亚硫酸盐1-2份,炭黑N550 20-24份,硅藻土粉10-12份,氧化锌0.5-1份,硅烷偶联剂A-151 2.2-2.5份,防老剂BLE 2.8-3.3份,防老剂OD 4.3-4.6份。
2.根据权利要求1所述油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其特征在于,高柔韧性疏水阻燃聚氨酯、聚酯树脂、乙丙橡胶的重量比为56-57:32-33:23-24。
3.根据权利要求1或2所述油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其特征在于,其原料按重量份包括:高柔韧性疏水阻燃聚氨酯56-57份,聚酯树脂32-33份,乙丙橡胶23-24份,异氰酸酯2.5-2.6份,硫化促进剂DM1.8-2.4份,三烯丙基异氰脲酸酯0.9-1份,二辛脂2.4-2.5份,硬脂酸4-5份,聚乙烯蜡3.5-4.5份,亚硫酸盐1.5-1.8份,炭黑N550 21-23份,硅藻土粉10.5-11份,氧化锌0.6-0.8份,硅烷偶联剂A-151 2.3-2.4份,防老剂BLE 2.9-3.2份,防老剂OD 4.4-4.5份。
4.根据权利要求1-3任一项所述油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其特征在于,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、将大豆油、三氯氧磷、六氟双酚A、三氯化铝,搅拌均匀后抽真空,接着升温,保温得到改性大豆油;
S2、将改性大豆油、双酚基丙烷、咪唑、腰果酚,搅拌均匀后,升温,保温后,降温,然后加入苯酚,搅拌均匀后继续降温,接着加入甲醛、三聚氰胺、氨水、三乙胺,然后升温,保温后,真空脱水得到改性酚醛树脂;
S3、将改性酚醛树脂、二环己基甲烷二异氰酸酯、甲基丙二醇、甘油、有机铋盐和丙酮混合均匀后,升高温度,抽真空,接着升高温度,保温后,继续升高温度至,熟化得到高柔韧性疏水阻燃聚氨酯。
5.根据权利要求1-4任一项所述油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其特征在于,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、将大豆油、三氯氧磷、六氟双酚A、三氯化铝,搅拌均匀后抽真空,接着升温至118-120℃,保温50-55min得到改性大豆油;
S2、将改性大豆油、双酚基丙烷、咪唑、腰果酚,搅拌均匀后,升温至120-140℃,保温2-3h后,降温到80-90℃,然后加入苯酚,搅拌均匀后继续降温至60-70℃,接着加入甲醛、三聚氰胺、氨水、三乙胺,然后升温至85-88℃,保温55-58min后,真空脱水得到改性酚醛树脂;
S3、将改性酚醛树脂、二环己基甲烷二异氰酸酯、甲基丙二醇、甘油、有机铋盐和丙酮混合均匀后,升高温度至85-88℃,抽真空,接着升高温度至98-102℃,保温2-3h后,继续升高温度至110-115℃,熟化80-90min得到高柔韧性疏水阻燃聚氨酯。
6.根据权利要求1-5任一项所述油料工业用高强度高韧性阻燃聚氨酯电缆外护套,其特征在于,高柔韧性疏水阻燃聚氨酯制备方法如下:
S1、按重量份将140-150份大豆油、35-38份三氯氧磷、22-26份六氟双酚A、0.13-0.17份三氯化铝,搅拌均匀后抽真空,接着升温至118-120℃,保温50-55min得到改性大豆油;
S2、按重量份将40-50份改性大豆油、14-17份双酚基丙烷、2.1-2.4份咪唑、6-8份腰果酚,搅拌均匀后,升温至120-140℃,保温2-3h后,降温到80-90℃,然后加入220-250份苯酚,搅拌均匀后继续降温至60-70℃,接着加入330-360份甲醛、45-50份三聚氰胺、23-26份氨水、6-9份三乙胺,然后升温至85-88℃,保温55-58min后,真空脱水得到改性酚醛树脂;
S3、按重量份将75-78份改性酚醛树脂、64-66份二环己基甲烷二异氰酸酯、30-33份甲基丙二醇、2.6-3份甘油、1.2-1.4份有机铋盐和丙酮混合均匀后,升高温度至85-88℃,抽真空,接着升高温度至98-102℃,保温2-3h后,继续升高温度至110-115℃,熟化80-90min得到高柔韧性疏水阻燃聚氨酯。
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