CN111748198A - 一种含cbd的生物基聚氨酯复合材料及其制备方法 - Google Patents

一种含cbd的生物基聚氨酯复合材料及其制备方法 Download PDF

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CN111748198A
CN111748198A CN202010792441.5A CN202010792441A CN111748198A CN 111748198 A CN111748198 A CN 111748198A CN 202010792441 A CN202010792441 A CN 202010792441A CN 111748198 A CN111748198 A CN 111748198A
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polyether polyol
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林凯旋
马仁
林小芳
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Coolist Life Technology Co ltd
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Abstract

本发明公开了一种含CBD的生物基聚氨酯复合材料及其制备方法，该复合材料的原料包括A组分和B组分，所述A组分与所述B组分按重量份100:（20～50）配比，其中：A组分按重量份数计包括：植物油基多元醇40～60份、聚醚多元醇Ⅰ35～50份、聚醚多元醇Ⅱ0～10份、CBD0.5～5份、天然色料0～5份、硅油0～3份、交联剂0～5份、催化剂0.2～1份、水0.8～4份；B组分按重量份数计包括：改性MDI20～50份。该复合材料具有良好的稳定性，同时具有优异的降解性能，通过添加CBD，能够在人们睡眠过程中，减轻人们的焦虑，提高人们的睡眠质量，同时通过添加天然色料，能够起到杀菌作用，有效防止聚氨酯材料发霉。

Description

一种含CBD的生物基聚氨酯复合材料及其制备方法
技术领域
本发明属于高分子化学领域，具体涉及一种含CBD的生物基聚氨酯复合材料及其制备方法。
背景技术
聚氨酯是一种常见的高分子材料，广泛应用于日常生活中，但是，用于生产聚氨酯的多元醇大多来原于石油化工产品，而作为不可再生的石油资源有限，且无法自然降解是传统的聚氨酯产品中的一大难题，在使用年限到期时只能通过燃烧方法废弃，如此一来便会带来空气污染。
因天然植物油基具有可持续，可降解，且减少了对石油化学产品的依赖。因此越来越多的将天然植物油基材料运用到聚氨酯材料中来。但是植物油基聚氨酯复合材料因为是高蛋白材料，容易产生细菌滋生的腐化问题。
CBD是工业***中的主要提取物***二酚的英文简称，具有抗炎、杀菌、镇痛、抗焦虑、抗精神病、抗氧化等功效。其与THC不同，四氢***酚(THC)是在***中发现的主要精神活性***素，并且引起通常与***相关的“高”感。然而，与THC不同，CBD不具有精神活性。CBD在健康领域获得了动力，一些科学研究证实它可能有助于治疗各种疾病，如慢性疼痛和焦虑。如何将CBD运用到聚氨酯复合材料中，并解决植物油基聚氨酯复合材料的腐化问题是本领域技术人员致力于解决的事情。
发明内容
本发明的目的是克服现有技术的不足，提供一种含CBD的生物基聚氨酯复合材料。
为达到上述目的，本发明采用的技术方案是：一种含CBD的生物基聚氨酯复合材料，其特征在于，所述复合材料的原料包括A组分和B组分，所述A组分与所述B组分按重量份100:(20～50)配比，其中：
A组分按重量份数计包括：
Figure BDA0002624335590000021
B组分按重量份数计包括：
改性MDI 20～50份；
这里，聚醚多元醇Ⅰ为环氧丙烷聚醚多元醇15％环氧乙烷封端，分子量为1000～2000，官能度为3，羟值为50～170；聚醚多元醇Ⅱ为环氧乙烷多元醇15％环氧丙烷封端，官能度为2，羟值为100。
环氧丙烷聚醚多元醇15％环氧乙烷封端，其以低分子量聚醚二醇作为起始剂，在催化剂作用下，先投入环氧丙烷进行反应，而后加入占原料总质量15％的环氧乙烷进行封端，经中和、过滤、减压蒸馏得到成品。
环氧乙烷多元醇15％环氧丙烷封端，其同样以低分子量聚醚二醇作为起始剂，在催化剂作用下，先投入环氧乙烷进行反应，而后加入占原料总质量15％的环氧丙烷进行封端，使其端基为仲羟基，经中和、过滤、减压蒸馏得到成品。
这里采用环氧丙烷聚醚多元醇15％环氧乙烷封端与传统环氧乙烷封端环氧丙烷聚醚多元醇相比，使得聚醚多元醇兼备高活性、低温温感性好、热塑性好、撕拉强度好的性能。
作为一种具体的实施方式，所述植物油基聚醚多元醇为棉籽油多元醇，官能度为1～3，羟值为60～140KOH/g。
作为一种具体的实施方式，所述CBD为工业***植物中提取的***二酚油或粉状化合物。
作为一种具体的实施方式，所述天然色料的目数为100-500目。这里的天然色料采用了叶绿素铜钠盐。
作为一种具体的实施方式，所述硅油为二甲基硅油与聚醚型硅油按质量比1：4混合而成。
优选地，所述改性MDI是由棕榈油改性异氰酸酯制得的。
作为一种具体的实施方式，所述改性MDI的制备过程如下：1)按重量份数称取100份棕榈油、70-80份MDI50、20-30份聚合MDI；2)将100份棕榈油在110-120℃温度条件下脱水至水分含量低于0.05％，而后在75-80℃温度条件下，加入40-50份MDI50，搅拌升温至100℃反应2-4h，而后降温至常温，加入聚合MDI和剩余的MDI50，搅拌混匀即可。
采用该改性MDI，能够进一步提高聚氨酯复合材料的生物基含量。
本发明的另一个目的是提供一种含CBD的生物基聚氨酯复合材料的制备方法，包括如下步骤：
1)按照重量份数称取A组分和B组分，将植物油基多元醇、聚醚多元醇Ⅰ及聚醚多元醇Ⅱ投入50-70℃的反应釜中搅拌均匀；
2)将硅油、交联剂、催化剂及水投入步骤1)的反应釜中，进行离心处理，离心速度为300-500rpm/min；
3)将CBD和天然色料以及B组分搅拌加入步骤2)中的反应釜中，在常温下反应成型。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：本发明的含CBD的生物基聚氨酯复合材料，其以植物油基多元醇为主原料，结合聚醚多元醇Ⅰ、聚醚多元醇Ⅱ、改性MDI等，利用各组分间的协同增效作用，使该复合材料具有良好的稳定性，同时具有优异的降解性能，而通过添加CBD，能够在人们睡眠过程中，减轻人们的焦虑，提高人们的睡眠质量。同时通过添加天然色料，如叶绿素铜钠盐，其天然无毒，同时能够起到杀菌作用，有效防止聚氨酯材料发霉。
具体实施方式
下面通过实施例的方式进一步说明本发明，但并不因此将本发明限制在所述的实施例范围之中。下列实施例中未注明具体条件的实验方法，按照常规方法和条件，或按照商品说明书选择。而且下述实施例中的各个组分选用不限于此，也可以选用前面发明内容提到其他类型的原料进行组合。
以下实施例中植物油基聚醚多元醇为棉籽油多元醇，官能度为1～3，羟值为60～140KOH/g；聚醚多元醇Ⅰ为环氧丙烷聚醚多元醇15％环氧乙烷封端，分子量为1000～2000，官能度为3，羟值为50～170；聚醚多元醇Ⅱ为环氧乙烷多元醇15％环氧丙烷封端，官能度为2，羟值为100；CBD为工业***植物中提取的***二酚油或粉状化合物；天然色料的目数为100-500目，这里的天然色料采用了叶绿素铜钠盐。这里的，硅油为二甲基硅油与聚醚型硅油按质量比1：4混合而成。
该改性MDI是由棕榈油改性异氰酸酯制得的。具体的，该改性MDI的制备过程如下：1)按重量份数称取100份棕榈油、70-80份MDI50、20-30份聚合MDI；2)将100份棕榈油在110-120℃温度条件下脱水至水分含量低于0.05％，而后在75-80℃温度条件下，加入40-50份MDI50，搅拌升温至100℃反应2-4h，而后降温至常温，加入聚合MDI和剩余的MDI50，搅拌混匀即可。
这里，提供实施例1至实施例5及对比例，具体的实施例1至5及对比例的组分配方见表1。
Figure BDA0002624335590000051
Figure BDA0002624335590000061
以上实施例1至实施例5及对比例的含CBD的生物基聚氨酯复合材料的制备方法，包括如下步骤：
1)按照重量份数称取A组分和B组分，将植物油基多元醇、聚醚多元醇Ⅰ及聚醚多元醇Ⅱ投入50-70℃的反应釜中搅拌均匀；
2)将硅油、交联剂、催化剂及水投入步骤1)的反应釜中，进行离心处理，离心速度为300-500rpm/min；
3)将CBD和天然色料以及B组分搅拌加入步骤2)中的反应釜中，在常温下反应成型。
一、抗菌性实验
对实施例1至5及对比例中所制得的含CBD的生物基聚氨酯复合材料进行抗菌性实验。
测试方法：
采用ISO 20743:2013对样本进行定量评估抗菌性
测试结果：
Ma＝开始阶段细菌接种数量的浓度的对数
Mb＝细菌接种24h后细菌数量的对数(在未做抗菌处理的样本上)
Mc＝细菌接种24h后细菌数量的对数(在做抗菌处理的样本上)
S＝24h后抗菌处理的样本上减少的细菌数量的对数
接种的细菌为金黄色葡萄球菌。
表1 抗菌对比实验结果
Figure BDA0002624335590000062
Figure BDA0002624335590000071
从表1中可知，采用本发明的制备方法所制得的复合材料，其抗菌性能好，而采用实施例5的组分所制成的复合材料，其抗菌性能更好，细菌数量减少比例高，且恢复数量对数更少。
二、防霉性实验
对实施例1至5及对比例中所制得的含CBD的生物基聚氨酯复合材料进行防霉性实验。
表2 对抗黒曲霉实验结果
Figure BDA0002624335590000081
从表2中，我们可以看出采用了本发明方法所制备得到的聚氨酯复合材料，其细菌抑制性好，而采用实施例5中的配方的聚氨酯复合材料，其对黒曲霉的表面抑制性更优。
表3 对抗绿木霉实验结果
Figure BDA0002624335590000082
从表3中，我们可以看出采用了本发明方法所制备得到的聚氨酯复合材料，其细菌抑制性好，而采用实施例5中的配方的聚氨酯复合材料，其对绿木霉的表面抑制性更优。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (8)

1.一种含CBD的生物基聚氨酯复合材料，其特征在于，所述复合材料的原料包括A组分和B组分，所述A组分与所述B组分按重量份100:（20～50）配比，其中：
A组分按重量份数计包括：
植物油基多元醇 40～60 份
聚醚多元醇Ⅰ 35～50 份
聚醚多元醇Ⅱ 0～10份
CBD 0.5～5 份
天然色料 0～5 份
硅油 0.5～3 份
交联剂 0～5 份
催化剂 0.2～1份
水 0.8～4份
B组分按重量份数计包括：
改性MDI 20～50份；
这里，聚醚多元醇Ⅰ为环氧丙烷聚醚多元醇15%环氧乙烷封端，分子量为1000～2000，官能度为3，羟值为50～170；聚醚多元醇Ⅱ为环氧乙烷多元醇15%环氧丙烷封端，官能度为2，羟值为100。
2.根据权利要求1所述的含CBD的生物基聚氨酯复合材料，其特征在于，所述植物油基聚醚多元醇为棉籽油多元醇，官能度为1～3，羟值为60～140KOH/g。
3.根据权利要求1所述的含CBD的生物基聚氨酯复合材料，其特征在于，所述CBD为工业***植物中提取的***二酚油或粉状化合物。
4.根据权利要求1所述的含CBD的生物基聚氨酯复合材料，其特征在于，所述天然色料的目数为100-500目。
5.根据权利要求1所述的含CBD的生物基聚氨酯复合材料，其特征在于，所述硅油为二甲基硅油与聚醚型硅油按质量比1：4混合而成。
6.根据权利要求1所述的含CBD的生物基聚氨酯复合材料，其特征在于，所述改性MDI是由棕榈油改性异氰酸酯制得的。
7.根据权利要求6所述的含CBD的生物基聚氨酯复合材料，其特征在于，所述改性MDI的制备过程如下：1）按重量份数称取100份棕榈油、70-80份MDI50、20-30份聚合MDI；2）将100份棕榈油在110-120℃温度条件下脱水至水分含量低于0.05%，而后在75-80℃温度条件下，加入40-50份MDI50，搅拌升温至100℃反应2-4h，而后降温至常温，加入聚合MDI和剩余的MDI50，搅拌混匀即可。
8.一种如权利要求1至7中任一权利要求所述的含CBD的生物基聚氨酯复合材料的制备方法，其特征在于，包括如下步骤：
1）按照重量份数称取A组分和B组分，将植物油基多元醇、聚醚多元醇Ⅰ及聚醚多元醇Ⅱ投入50-70℃的反应釜中搅拌均匀；
2）将硅油、交联剂、催化剂及水投入步骤1）的反应釜中，进行离心处理，离心速度为300-500rpm/min；
3）将CBD和天然色料以及B组分搅拌加入步骤2）中的反应釜中，在常温下反应成型。
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