CN105461897B - 复合型慢回弹聚氨酯软质泡沫及其制备方法 - Google Patents
复合型慢回弹聚氨酯软质泡沫及其制备方法 Download PDFInfo
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Abstract
Description
原料 | E8 | E9 | E10 | E11 | E12 | E13 |
聚醚1 | 60 | 40 | 60 | 60 | 60 | 40 |
聚醚2 | 39.5 | 20 | 30 | 30 | 30 | 40 |
聚醚3 | - | 25 | 8 | 8 | 8 | 18 |
聚醚4 | 0.5 | 15 | 2 | 2 | 2 | 2 |
H2O | 2.0 | 2.0 | 1.5 | 3.0 | 4.0 | 2.0 |
L-580 | 0.8 | 1.0 | 0.5 | 1.0 | 1.0 | 1.0 |
HCFC-141b | - | - | - | - | - | 15 |
A1 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
A33 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
异氰酸酯指数,% | 95 | 95 | 95 | 95 | 95 | 95 |
40%压陷硬度,N | 228 | 240 | 255 | 240 | 218 | 200 |
拉伸强度,kPa | 120 | 110 | 116 | 128 | 116 | 96 |
断裂伸长率,% | 136 | 120 | 130 | 142 | 118 | 130 |
撕裂强度,N/m | 204 | 186 | 200 | 210 | 187 | 152 |
75%压缩永久变形,% | 0.2 | 2.0 | 0.4 | 0.1 | 4.2 | 3.2 |
气味等级 | 2.4 | 2.5 | 2.4 | 2.5 | 2.3 | 2.5 |
温度敏感系数 | 1.68 | 1.32 | 1.66 | 1.55 | 1.80 | 1.30 |
回弹率,% | <5 | <5 | <5 | <5 | <5 | <5 |
气囊感 | 明显 | 明显 | 明显 | 明显 | 明显 | 明显 |
回复时间,s | 9 | 9 | 10 | 8 | 7 | 8 |
Claims (10)
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Cited By (1)
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CN110577625A (zh) * | 2019-09-30 | 2019-12-17 | 长华化学科技股份有限公司 | 透气慢回弹聚氨酯泡沫塑料及其制备方法和应用 |
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CN106700400A (zh) * | 2017-01-09 | 2017-05-24 | 邝耀燊 | 一种基于低频噪声防护的高阻尼硅橡胶改性abs隔音材料的制备方法 |
CN107722602A (zh) * | 2017-09-26 | 2018-02-23 | 上海德亿化工有限公司 | 记忆性多点正向反馈回弹材料的发泡型材及其制备方法 |
CN108570138B (zh) * | 2018-03-30 | 2020-08-25 | 黎明化工研究设计院有限责任公司 | 一种高阻燃低密度低温敏性聚氨酯慢回弹泡沫 |
JP7347992B2 (ja) * | 2018-08-23 | 2023-09-20 | アキレス株式会社 | 軟質ポリウレタンフォーム |
CN109762125A (zh) * | 2019-01-17 | 2019-05-17 | 东莞市和信新材料科技有限公司 | 一种纳米防静电聚氨酯泡棉及其制备方法 |
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CN114380972A (zh) * | 2020-10-20 | 2022-04-22 | 惠彩材料科技(苏州)有限公司 | 一种软质慢回弹聚氨酯泡棉及其制备方法和应用 |
CN116874737A (zh) * | 2022-04-11 | 2023-10-13 | 长华化学科技股份有限公司 | 慢回弹低温感降噪耳塞用组合料及其制备方法 |
CN114716638B (zh) * | 2022-04-14 | 2023-12-01 | 佳化化学科技发展(上海)有限公司 | 一种聚氨酯自结皮泡沫及其制备方法和应用 |
CN115141349A (zh) * | 2022-08-05 | 2022-10-04 | 杭州朴西生活家居有限公司 | 一种高回弹聚氨酯泡沫及其制备工艺 |
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US6136879A (en) * | 1997-10-28 | 2000-10-24 | Tokai Rubber Industries, Ltd. | Soft polyurethane foam, method of producing the same and vehicle interior member using the same |
JP3667725B2 (ja) * | 2001-09-28 | 2005-07-06 | 三洋化成工業株式会社 | ヘッドレスト用軟質ポリウレタンフォーム |
CN100497430C (zh) * | 2006-12-06 | 2009-06-10 | 北京科聚化工新材料有限公司 | 全mdi聚氨酯慢回弹泡沫的制备方法 |
CN103524706B (zh) * | 2013-10-31 | 2015-10-21 | 淄博德信联邦化学工业有限公司 | Papi型聚氨酯慢回弹海绵及其制备方法 |
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CN110577625A (zh) * | 2019-09-30 | 2019-12-17 | 长华化学科技股份有限公司 | 透气慢回弹聚氨酯泡沫塑料及其制备方法和应用 |
CN110577625B (zh) * | 2019-09-30 | 2021-09-07 | 长华化学科技股份有限公司 | 透气慢回弹聚氨酯泡沫塑料及其制备方法和应用 |
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