CN101628965A - 多异氰酸酯封端预聚物,聚氨酯泡沫体及其制备方法 - Google Patents
多异氰酸酯封端预聚物,聚氨酯泡沫体及其制备方法 Download PDFInfo
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- CN101628965A CN101628965A CN200910091446A CN200910091446A CN101628965A CN 101628965 A CN101628965 A CN 101628965A CN 200910091446 A CN200910091446 A CN 200910091446A CN 200910091446 A CN200910091446 A CN 200910091446A CN 101628965 A CN101628965 A CN 101628965A
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- China
- Prior art keywords
- diphenylmethanediisocyanate
- prepolymer
- polyisocyanate blocked
- polyvalent alcohol
- blocked prepolymer
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- 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.)
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- Polyurethanes Or Polyureas (AREA)
Abstract
Description
实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | |
编号 | 预聚物1 | 预聚物2 | 预聚物3 | 预聚物4 | 预聚物5 |
4,4’二苯基甲烷二异氰酸酯 | 31.9 | 48.5 | 23.7 | 60.5 | 41.2 |
2,4’二苯基甲烷二异氰酸酯 | 23.3 | 25.6 | 11.5 | 0.6 | 15.2 |
二亚甲基三甲苯基三异氰酸酯 | 5.6 | 4.2 | 11.4 | 3.9 | 5.2 |
四苯环及以上异氰酸酯 | 5.0 | 3.8 | 7.2 | 4.0 | 4.4 |
碳化二亚胺/尿酮亚胺官能团含量 | 1.2 | 0.9 | 2.2 | 1.1 | 6.0 |
甲苯二异氰酸酯(2,4-体∶2,6-体=80∶20) | 25.0 | 5.0 | 30.0 | 15.0 | 18.0 |
Polyol A | 8.0 | 3.0 | 1.0 | 3.0 | 5.0 |
Polyol B | 0 | 9.0 | 14.0 | 9.0 | 5.0 |
NCO% | 33.83 | 29.54 | 31.82 | 31.01 | 31.04 |
编号 | 实施例-6 | 实施例-7 | 实施例-8 | 实施例-9 | 实施例-10 |
Polyol C | 100 | 100 | 100 | 100 | 100 |
去离子水 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
DEOA | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
L3002 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
三乙烯二胺 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
双(2-二甲胺基乙基)*** | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
ISO | 预聚物-1 | 预聚物-2 | 预聚物-3 | 预聚物-4 | 预聚物-5 |
Index | 100 | 100 | 100 | 100 | 100 |
预聚物和原料中其余组分的比值 | 0.55 | 0.62 | 0.59 | 0.59 | 0.60 |
拉伸强度,KPa | 104 | 147 | 126 | 118 | 113 |
撕裂强度,N/cm | 2.15 | 2.86 | 1.62 | 3.20 | 1.98 |
断裂伸长率,% | 97.6 | 121.9 | 100.4 | 101.5 | 95.2 |
芯密度,kg/m3 | 49.4 | 52.0 | 47.4 | 51.0 | 48.7 |
CLD40%,KPa | 4.0 | 5.5 | 4.1 | 5.5 | 4.0 |
球回弹(25℃),% | 65 | 60 | 67 | 60 | 64 |
干压缩形变,% | 2.69% | 5.24% | 3.00% | 4.26% | 3.73% |
湿压缩形变,% | 7.80% | 9.48% | 11.69% | 5.62% | 11.76% |
物理性能 | 单位 | 测试标准 |
密度 | kg/m3 | ISO 845 |
CLD 40% | kPa | ISO 3386 |
球回弹(25℃) | % | ISO 8307 |
拉伸强度 | KPa | ISO 1798 |
断裂伸长率 | % | ISO 1798 |
撕裂强度 | N/cm | ISO 8067 |
干压缩形变 | % | ASTM 3574 |
湿压缩形变 | % | ASTM 3574 |
Claims (10)
Priority Applications (1)
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CN 200910091446 CN101628965B (zh) | 2009-08-21 | 2009-08-21 | 多异氰酸酯封端预聚物,聚氨酯泡沫体及其制备方法 |
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CN 200910091446 CN101628965B (zh) | 2009-08-21 | 2009-08-21 | 多异氰酸酯封端预聚物,聚氨酯泡沫体及其制备方法 |
Publications (2)
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CN101628965A true CN101628965A (zh) | 2010-01-20 |
CN101628965B CN101628965B (zh) | 2011-07-06 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102618019A (zh) * | 2012-03-22 | 2012-08-01 | 北京科聚化工新材料有限公司 | 一种聚氨酯反应球及其制备方法 |
CN105968311A (zh) * | 2016-07-21 | 2016-09-28 | 淄博德信联邦化学工业有限公司 | 聚氨酯花泥及其制备方法 |
CN115044014A (zh) * | 2022-05-16 | 2022-09-13 | 上海抚佳精细化工有限公司 | 一种甲苯二异氰酸酯预聚体及其制备方法和应用 |
CN115558081A (zh) * | 2022-10-31 | 2023-01-03 | 惠州永兴泰服装配件有限公司 | 一种mdi海绵的生产工艺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5436277A (en) * | 1994-07-28 | 1995-07-25 | Basf Corporation | Polyisocyanate compositions for the preparation of flexible polyurethane foams |
US5674920A (en) * | 1994-12-08 | 1997-10-07 | Mitsui Toatsu Chemicals, Inc. | Flexible high resilience polyurethane foam |
AU2001281084A1 (en) * | 2000-08-01 | 2002-02-13 | Huntsman International, Llc | Manufacture of mdi-tdi based flexible polyurethane foams |
-
2009
- 2009-08-21 CN CN 200910091446 patent/CN101628965B/zh active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102618019A (zh) * | 2012-03-22 | 2012-08-01 | 北京科聚化工新材料有限公司 | 一种聚氨酯反应球及其制备方法 |
CN105968311A (zh) * | 2016-07-21 | 2016-09-28 | 淄博德信联邦化学工业有限公司 | 聚氨酯花泥及其制备方法 |
CN115044014A (zh) * | 2022-05-16 | 2022-09-13 | 上海抚佳精细化工有限公司 | 一种甲苯二异氰酸酯预聚体及其制备方法和应用 |
CN115044014B (zh) * | 2022-05-16 | 2024-05-17 | 上海抚佳精细化工有限公司 | 一种甲苯二异氰酸酯预聚体及其制备方法和应用 |
CN115558081A (zh) * | 2022-10-31 | 2023-01-03 | 惠州永兴泰服装配件有限公司 | 一种mdi海绵的生产工艺 |
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CN101628965B (zh) | 2011-07-06 |
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Address after: 102200, Beijing, Changping science and Technology Park Spark Street, No. 5, Beijing poly chemical new material Co., Ltd. Patentee after: Keju Chemical New Material Co., Ltd., Beijing Patentee after: wanhua Synthetic Leather Group Co., Ltd., Yantai Patentee after: Wanhua Chemical Group Co., Ltd. Address before: 102200, Beijing, Changping science and Technology Park Spark Street, No. 5, Beijing poly chemical new material Co., Ltd. Patentee before: Keju Chemical New Material Co., Ltd., Beijing Patentee before: wanhua Synthetic Leather Group Co., Ltd., Yantai Patentee before: Yantai Wanhua Polyurethane Co., Ltd. |
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Effective date of registration: 20160520 Address after: 102200, Beijing, Changping science and Technology Park Spark Street, No. 5, Beijing poly chemical new material Co., Ltd. Patentee after: Wanhua chemical (Beijing) Co., Ltd. Patentee after: Wanhua Chemical Group Co., Ltd. Address before: 102200, Beijing, Changping science and Technology Park Spark Street, No. 5, Beijing poly chemical new material Co., Ltd. Patentee before: Wanhua chemical (Beijing) Co., Ltd. Patentee before: wanhua Synthetic Leather Group Co., Ltd., Yantai Patentee before: Wanhua Chemical Group Co., Ltd. |