会员体验
专利管家（专利管理）
工作空间（专利管理）
风险监控（情报监控）
数据分析（专利分析）
侵权分析（诉讼无效）
联系我们
交流群
官方交流：
QQ群： 891211   
微信请扫码    >>>
现在联系顾问~
下载
著录项
PDF全文
热词
    • 7. 发明授权
      US4302272A Process for heat sealing polyurethane foam 失效
    • Process for heat sealing polyurethane foam
    • 聚氨酯泡沫热封工艺
    • US4302272A
    • 1981-11-24
    • US112046
    • 1980-01-14
    • Barry A. Phillips , Keith G. Spitler , Richard E. Keegan
    • Barry A. Phillips , Keith G. Spitler , Richard E. Keegan
    • B29C65/56 , C08G18/50 , C08J5/12 , B32B31/20
    • C08J5/121 , B29C44/56 , C08G18/5009 , C08J2375/04 , Y10S521/904 , Y10S521/914 , Y10T428/249953
    • The instant invention is directed to a process for heat sealing flexible polyurethane foam, comprising:A. reacting and foaming a polyurethane foam produced by the steps comprising reacting:(I) an organic polyisocyanate;(II) a polyol having a molecular weight of 2,000 to 8,000 comprising the adduct obtained by sequentially reacting:(a) a polyhydroxyl initiator, with a functionality of 2 to 5 and a weight average molecular weight as determined by gel permeation chromatography of from 62 to 200; with(b) 10 to 90%, most preferably 10 to 50%, by weight, based on the total oxide present in (b)+(c)+(d), a first alkylene oxide; and subsequently reacting the product with(c) 10 to 80%, preferably 20 to 50% by weight, based on the total oxide present in (b)+(c)+(d), 4,4,4-trichloro-1,2-epoxybutane and/or epihalohydrin; and subsequently reacting the product with(d) 10 to 60%, most preferably 10 to 40%, by weight, based on the total oxide present in (b)+(c)+(d), a second alkylene oxide.(III) foaming agent; and optionally(IV) catalyst;B. heating a portion of the surface of said flexible polyurethane foam of (A) above its melting or fusion point; andC. cooling said flexible polyurethane foam below its melting or fusion point.
    • 本发明涉及一种用于热封柔性聚氨酯泡沫的方法，其包括：A.使由以下步骤制备的聚氨酯泡沫反应并发泡，所述步骤包括：（I）有机多异氰酸酯; （II）分子量为2,000至8,000的多元醇，其包含通过顺序地使以下反应获得的加合物：（a）通过凝胶渗透色谱法测定的官能度为2-5的多羟基引发剂和通过62测定的重均分子量 至200; 与（b）+（c）+（d）中存在的总氧化物相比，（b）10至90％，最优选10至50重量％的第一烯化氧; （c）+（d）中存在的总氧化物，4,4,4-三氯-1（ⅰ）和（c）+（d））中的总氧化物，随后使产物与（c）10至80重量％，优选20至50重量％ ，2-环氧丁烷和/或表卤代醇; 然后使产物与（b）+（c）+（d）中存在的总氧化物，第二烯化氧反应，与（d）10至60重量％，最优选10至40重量％反应。 （三）发泡剂; 和任选的（Ⅳ）催化剂; B.将（A）的所述软质聚氨酯泡沫的表面的一部分加热到其熔点或熔点以上; 和C.将所述软质聚氨酯泡沫体冷却到低于其熔点或熔点。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 8. 发明授权
      US3847844A Process for making fire-retardant polyurethane foam using crude 4,4,4-trichloro-1,2-epoxybutane 失效
    • Process for making fire-retardant polyurethane foam using crude 4,4,4-trichloro-1,2-epoxybutane
    • 使用原料4,4,4-三氯-1,2-环氧丁烷制备阻燃聚氨酯泡沫的方法
    • US3847844A
    • 1974-11-12
    • US40863773
    • 1973-10-23
    • OLIN CORP
    • POLAK R , FUZESI S , LAPKIN M
    • C07D303/08 , C08G18/50 , C08G65/22 , C08G22/46 , C08G22/16
    • C07D303/08 , C08G18/5009 , C08G65/223
    • 1. IN PROCESS FOR PREPARING A POLYURETHANE FOAM BY REACTING A POLYETHER POLYOL WITH AN ORGANIC POLYISOCYANATE IN THE PRESENCE OF A REACTION CATALYST AND A FOAMING AGENT, SAID POLYETHER POLYOL COMPRISING THE PRODUCT OF REACTING 4,4,4, - TRICHLORO -1,2- EPOSYBUTANE WITH A MIXTURE OF (1) DEXTROSE AND (2) WATER, A POLYHYDRIC ALIPHATIC ALCOHOL OR A MIXTURE OF WATER AND A POLYHYDRIC ALIPHATIC ALCOHOL, THE IMPROVEMENT WHICH COMPRISES USING SAID EPOXYBUTANE AS A CRUDE MATERIAL HAVING NO MORE THAN ABOUT 5% BY WEIGHT OF VOLATILE COMPONENTS AND CONTAINING FROM ABOUT 15 TO ABOUT ABOUR 42% BY WEIGHT OF IMPURITIES AND CORRESPONDINGLY FROM ABOUT 85 TO ABOUT 58% OF SAID EPOXYBUTANE, SAID CRUDE EPOXYBUTANE BEING PREPARED BY A PROXESS CONSISTING ESSENTIALLY OF (A) REACTING, AT A TEMPERATURE FROM ABOUT 35 TO ABOUT 62* C., 4,4,4-TRICHLORO-2-HALOBUTANOL WITH AN AQUEOUS SOLUTION AF AN ALKALI METAL HYDROXIDE OR AN ALKALINE EARTH METAL HYDROXIDE, SAID AQUEOUS SOLUTION BEING EMPLOYED IN A SUFFICIENT PROPORTION TO PROVIDE AT LEAST A STOICIOMETRIC AMOUNT OF HYDROXIDE WHICH IS REQUIRED TO REACT WITH SAID 4,4,4, - TRICHLORO -2HALOGUTANOL, THEREBY FORMING A TWO-PHASE REACTION PRODUCT MIXTURE, NAMELY, AN AQUEOUS PHASE AND A NON-AQUEOUS PHASE CONTAINING SAID CRUDE EPOXYBUTANE, AND (B) SEPARATING SAID TWO PHASES AND RECOVERING SAID CRUDE EPOXYBUTANE.
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Espacenet 法律信息 同族专利 专利引用
每页展示10个专利
每页展示10个专利
每页展示20个专利
每页展示50个专利
每页展示100个专利

IPRDB

最新中国发明专利 最新美国发明专利 技术领域 专利库 专利分类库 国际专利分类库

热门服务

会员版试用 API 数据接口 找代理 知嘟嘟专利交易 排行榜 大学排行榜 专利百科

关于我们

平台介绍 战略合作 网站地图

友情链接

知嘟嘟专利交易 国家知识产权局 中国商标网

联系方式


©2019-2023 上海吉码数字技术有限公司 版权所有，并保留所有权利 沪ICP备20016256号-6 沪公网安备31011702005475号