CN113861370B - 化妆棉用聚氨酯组合料及其制备方法 - Google Patents
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Abstract
本发明属于高分子材料技术领域,具体涉及一种化妆棉用聚氨酯组合料及其制备方法。所述的化妆棉用聚氨酯组合料,由A组分与B组分组成,A组分与B组分的质量比为100:50~55;其中,A组分由硅灰石粉、发泡剂、扩链剂、乳化蜡、开孔剂、色浆制成;B组分由亲水聚醚多元醇A、亲水聚醚多元醇B、交联剂聚醚、T‑80制成。采用本发明组合料制作的化妆棉不仅水中回弹性能比较好,亲水性好,而且泡孔细腻,力学性能优异;本发明的制备方法,工艺简单、生产高效。
Description
技术领域
本发明属于高分子材料技术领域,具体涉及一种化妆棉用聚氨酯组合料及其制备方法。
背景技术
随着全球女性消费群体的消费能力提升,化妆品行业的发展日新月异,化妆棉的需求量不断扩大。聚氨酯化妆棉与传统的丁腈橡胶化妆棉相比,具有更小的孔径、更小的深度、更平整的表面和更优异的亲水性,但是力学性能和回弹性能却无法媲美。
发明内容
针对现有技术的不足,本发明的目的是提供一种化妆棉用聚氨酯组合料,采用其制作的化妆棉不仅水中回弹性能比较好,亲水性好,而且泡孔细腻,力学性能优异;本发明同时提供其制备方法,工艺简单、生产高效。
本发明所述的化妆棉用聚氨酯组合料,由A组分与B组分组成,A组分与B组分的质量比为100:50~55;其中,以重量份数计,
A组分为:
B组分为:
亲水聚醚多元醇A为EO共聚聚醚,官能度为2,数均分子量为1000-2000。优选长华化学科技股份有限公司的CHPEG-1000A。
亲水聚醚多元醇B为EO/PO共聚聚醚,EO含量≥70%,官能度为3,数均分子量为1000-1500。优选山东一诺威新材料股份有限公司的INOVOL S385。
所述的发泡剂为水(H2O)。
所述的扩链剂为液体仲二胺,数均分子量为300-350。优选万华化学的wanalink6200。
所述的乳化蜡为非离子型乳化基质,能够有助于产品固色和上色。优选Basf的1000NI。
所述的开孔剂为非离子性低泡表面活性剂,聚醚EO/PO/EO嵌段共聚物,数均分子量为8000-10000。优选Basf的PE6800。
所述的交联剂聚醚的官能度为3,数均分子量为500-700。优选山东蓝星东大有限公司的MN700。
本发明所述的化妆棉用聚氨酯组合料的制备方法,包括以下步骤:
A组分料:先将基于配方量的硅灰石粉、发泡剂、扩链剂、乳化蜡、开孔剂和色浆投入反应釜中搅拌,在室温条件下,转速为40~50转/分钟,搅拌0.5~1小时,即得A组分产品;
B组分料:将基于配方量的亲水聚醚多元醇A、亲水聚醚多元醇B、交联剂聚醚置于反应釜中,升温至100~110℃下真空(-0.09MPa)脱水1.5~2小时,然后降温至30~40℃,加入配方量的T-80,升温至70~75℃下保温反应2~2.5h,取样检测,-NCO的质量含量达到设计值,降温至40℃出料,密封保存。
与现有技术相比,本发明的有益效果如下:
(1)采用该组合料,制作的化妆棉不仅水中回弹性能比较好,亲水性好,而且泡孔细腻,力学性能优异。
(2)本发明的制备方法,工艺简单、生产高效。
具体实施方式
下面结合实施例对本发明做进一步说明,但不限定本发明。
实施例中用到的所有原料除特殊说明外,均为市购。
实施例1
所述的化妆棉用聚氨酯组合料的原料选择及用量如下:
A组分为:
B组分为:
其制备方法步骤如下:
A组分料:先将40kg硅灰石粉、50kg的水(H2O)、3kg的wanalink 6200、1kg的1000NI、4kg的PE6800、2kg色浆的投入反应釜中搅拌,在室温条件下,转速为40转/分钟,搅拌1小时,即得A组分产品;
B组分料:将50kg的CHPEG-1000A、10kg的INOVOL S385、10kg的MN700置于反应釜中,升温至105±5℃下真空(-0.09MPa)脱水1.5小时,然后降温至30℃,加入30kg的T-80,缓慢升温至70℃下保温反应2.5h,取样检测,-NCO的质量含量达到设计值,降温至40℃出料,密封保存。
所需模具擦好脱模剂,备用。
使用时,将A组分和B组分温度维持在25℃,A、B料按100:55的重量比快速混合均匀,倒入模具内,3min后开模,即得所述的化妆棉。
实施例2
所述的化妆棉用聚氨酯组合料的原料选择及用量如下:
A组分为:
B组分为:
其制备方法步骤如下:
A组分料:先将50kg硅灰石粉、40kg的水(H2O)、5kg的wanalink 6200、0.5kg的1000NI、3kg的PE6800、1.5kg色浆的投入反应釜中搅拌,在室温条件下,转速为45转/分钟,搅拌0.5小时,即得A组分产品;
B组分料:将55kg的CHPEG-1000A、5kg的INOVOL S385、5kg的MN700置于反应釜中,升温至105±5℃下真空(-0.09MPa)脱水2小时,然后降温至40℃,加入35kg的T-80,缓慢升温至75℃下保温反应2h,取样检测,-NCO的质量含量达到设计值,降温至40℃出料,密封保存。
所需模具擦好脱模剂,备用。
使用时,将A组分和B组分温度维持在25℃,A、B料按100:50的重量比快速混合均匀,倒入模具内,3min后开模,即得所述的化妆棉。
实施例3
所述的化妆棉用聚氨酯组合料的原料选择及用量如下:
A组分为:
B组分为:
其制备方法步骤如下:
A组分料:先将45kg硅灰石粉、45kg的水(H2O)、4kg的wanalink 6200、0.8kg的1000NI、4kg的PE6800、1.2kg色浆的投入反应釜中搅拌,在室温条件下,转速为50转/分钟,搅拌0.5小时,即得A组分产品;
B组分料:将52kg的CHPEG-1000A、8kg的INOVOL S385、8kg的MN700置于反应釜中,升温至105±5℃下真空(-0.09MPa)脱水1.5小时,然后降温至35℃,加入32kg的T-80,缓慢升温至70℃下保温反应2h,取样检测,-NCO的质量含量达到设计值,降温至40℃出料,密封保存。
所需模具擦好脱模剂,备用。
使用时,将A组分和B组分温度维持在25℃,A、B料按100:53的重量比快速混合均匀,倒入模具内,3min后开模,即得所述的化妆棉。
对比例1
本对比例与实施例3相比,不同点仅在于将A组分中wanalink 6200全部换为同等质量的扩链剂乙二醇。
对比例2
本对比例与实施例3相比,不同点仅在于将A组分中开孔剂PE6800换为CHK-350D(开孔剂,长华化学科技股份有限公司)。
对比例3
本对比例与实施例3相比,不同点仅在于将B组分中交联剂聚醚MN700全部换为同等质量的甘油。
对比例4
本对比例与实施例3相比,不同点仅在于将B组分中T-80全部换为同等质量的T65。
对比例5
本对比例与实施例3相比,不同点仅在于将B组分中T-80全部换为同等质量的T100。
将实施例1-3和对比例1-5制得的化妆棉进行性能测试,其中芯密度按照GB/T6343-1995标准检测,断裂伸长率、拉伸强度按照GB/T6344-1996标准检测,撕裂强度按照GB/T10808-2006标准检测。水中回弹的测试方法为,将化妆棉制品放入水中,10min后拿出,用力挤出水分,制品恢复原状需要的时间。
测试结果如表1所示。
表1实施例1-3和对比例1-5制品性能测试结果
从表1可以看出,本发明的实施例1-3制作的化妆棉不仅水中回弹性能比较好,亲水性好,而且泡孔细腻,力学性能优异。由对比例1和对比例3可以看出,扩链剂wanalink6200和交联剂聚醚MN700的使用,明显增加了制品的强度;由对比例2可以看出,开孔剂PE6800的使用,明显提高了制品的水中回弹性能;由对比例4-5可以看出,与T65和T100相比,T-80综合性能比较优异。
Claims (2)
1.一种化妆棉用聚氨酯组合料,其特征在于:由A组分与B组分组成,A组分与B组分的质量比为100:50~55;其中,以重量份数计,
A组分为:
硅灰石粉: 40-50
发泡剂: 30-50
扩链剂: 2-5
乳化蜡: 0.5-1.0
开孔剂: 3-5
色浆: 1-2;
B组分为:
亲水聚醚多元醇A: 50-60
亲水聚醚多元醇B: 5-10
交联剂聚醚: 5-10
T-80: 30-35;
亲水聚醚多元醇A为长华化学科技股份有限公司的CHPEG-1000A;
亲水聚醚多元醇B为山东一诺威新材料股份有限公司的INOVOL S385;
扩链剂为万华化学的wanalink 6200;
开孔剂为Basf的PE6800;
交联剂聚醚为山东蓝星东大有限公司的MN700;
发泡剂为水;
乳化蜡为Basf的1000NI;
所述的化妆棉用聚氨酯组合料的制备方法,包括以下步骤:
A组分料:先将基于配方量的硅灰石粉、发泡剂、扩链剂、乳化蜡、开孔剂和色浆投入反应釜中搅拌,在室温条件下,转速为40~50转/分钟,搅拌0.5~1小时,即得A组分产品;
B组分料:将基于配方量的亲水聚醚多元醇A、亲水聚醚多元醇B、交联剂聚醚置于反应釜中,升温至100~110℃下真空脱水1.5~2小时,然后降温至30~40℃,加入配方量的T-80,升温至70~75℃下保温反应2~2.5h,取样检测,-NCO的质量含量达到设计值,降温出料,密封保存。
2.一种权利要求1所述的化妆棉用聚氨酯组合料的制备方法,其特征在于:包括以下步骤:
A组分料:先将基于配方量的硅灰石粉、发泡剂、扩链剂、乳化蜡、开孔剂和色浆投入反应釜中搅拌,在室温条件下,转速为40~50转/分钟,搅拌0.5~1小时,即得A组分产品;
B组分料:将基于配方量的亲水聚醚多元醇A、亲水聚醚多元醇B、交联剂聚醚置于反应釜中,升温至100~110℃下真空脱水1.5~2小时,然后降温至30~40℃,加入配方量的T-80,升温至70~75℃下保温反应2~2.5h,取样检测,-NCO的质量含量达到设计值,降温出料,密封保存。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011184502A (ja) * | 2010-03-05 | 2011-09-22 | Bridgestone Corp | ポリウレタンフォーム及びポリウレタンフォームの製造方法 |
CN102459079A (zh) * | 2009-04-27 | 2012-05-16 | 卡博特公司 | 气凝胶组合物及其制造和使用方法 |
CN107602794A (zh) * | 2017-09-15 | 2018-01-19 | 山东诺威聚氨酯股份有限公司 | 聚氨酯座椅组合料及其制备方法 |
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---|---|---|---|---|
WO2004065449A1 (ja) * | 2003-01-17 | 2004-08-05 | Bridgestone Corporation | 微細セル軟質ポリウレタンフォーム |
JP6596710B2 (ja) * | 2018-02-23 | 2019-10-30 | トーヨーポリマー株式会社 | ポリウレタン多孔質体およびポリウレタン多孔質体の製造方法 |
CN108715629A (zh) * | 2018-05-17 | 2018-10-30 | 滁州市赢聚高分子材料有限公司 | 化妆粉扑专用聚氨酯原料 |
CN110128812A (zh) * | 2019-05-15 | 2019-08-16 | 雅丽日化实业(惠州)有限公司 | 一种粉扑用可温变海绵及其制作工艺 |
CN110144113A (zh) * | 2019-05-21 | 2019-08-20 | 雅丽日化实业(惠州)有限公司 | 一种抗菌海绵及其制备方法 |
-
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102459079A (zh) * | 2009-04-27 | 2012-05-16 | 卡博特公司 | 气凝胶组合物及其制造和使用方法 |
JP2011184502A (ja) * | 2010-03-05 | 2011-09-22 | Bridgestone Corp | ポリウレタンフォーム及びポリウレタンフォームの製造方法 |
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