CN109306071A - 影视道具布景用聚氨酯组合聚醚及其应用方法 - Google Patents

影视道具布景用聚氨酯组合聚醚及其应用方法 Download PDF

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CN109306071A
CN109306071A CN201811139833.0A CN201811139833A CN109306071A CN 109306071 A CN109306071 A CN 109306071A CN 201811139833 A CN201811139833 A CN 201811139833A CN 109306071 A CN109306071 A CN 109306071A
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殷晓峰
唐国涛
王科
杜孝林
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Shandong Inov New Material Co Ltd
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Abstract

本发明涉及影视道具布景用聚氨酯组合聚醚及其应用方法，属于组合聚醚技术领域。本发明由以下重量百分含量的原料组成：聚醚多元醇A 10～16％，聚醚多元醇B 20～40％，聚醚多元醇C 2～24％，添加剂5～25％，催化剂A 0.5～4％，催化剂B 0.4～2.5％，化学发泡剂0.4～2％，泡沫稳定剂1～2％，物理发泡剂15～25％，所述聚醚多元醇A为蔗糖或者山梨醇作为起始剂的一种或全部的聚醚多元醇；所述聚醚多元醇B为甘油作为起始剂的其中一种或全部的聚醚多元醇；所述聚酯多元醇C为苯酐聚酯多元醇。本发明快速固化，将AB组分混合后即可反应，3min内可完成发泡，2h可进行外型处理，24h内可直接进行布景使用。

Description

影视道具布景用聚氨酯组合聚醚及其应用方法
技术领域
本发明涉及影视道具布景用聚氨酯组合聚醚及其应用方法，属于组合聚醚技术领域。
背景技术
硬泡聚氨酯具有良好的保温隔热性能，同时闭孔率较高，并具备良好的隔绝湿气防霉防潮功能。随着近期节能减排理念全社会的推广，其应用越来越广泛。从另一个方面讲，聚氨酯硬泡组合聚醚在发泡的过程中，具有反应速度可调整，发泡倍率可调整，是一款良好的快速反应的固化剂，同时该种材料经过特殊施工附着到特定骨架后，可形成多种状态外型，具有良好的装饰性属性。
近年来，随着电影事业的进步与发展，大量的影视作品被搬上荧幕，而且所涉及的场景的外观造型也更加多变，例如悬崖、山洞、特殊建筑物等场景，虽然电脑画面处理技术越来越逼真，但与实际布景还是有一定的区别。传统的影视布景过程大量依赖水泥砂浆类材料，本身质量笨重，而且成型性能较差，施工速度较慢，较为早期的聚苯乙烯道具由于其质感较差，也无法满足观众日益提高的视觉要求。聚氨酯材料成型速度快，加工工艺简单，经过低压机混合即可进行反应，并可在24h内投入使用，具有较好的的可操作性，2018年央视春晚泰安会场的假山造型即为聚氨酯产品，该类型产品已经在市场中得到了一定的应用。但如果大面积推广，必须解决两大难题，一是其快速反应过程中因大量高密度快速施工，泡沫容易内燃的热量散失问题；二是产品的刺鼻气味，难以在快速施工后即可达到演出需要。
发明内容
本发明的目的在于克服现有影视道具布景用材质和聚氨酯组合聚醚作为影视布景用存在的上述缺陷，提出了影视道具布景用聚氨酯组合聚醚。
本发明是采用以下的技术方案实现的：
一种影视道具布景用聚氨酯组合聚醚，由以下重量百分含量的原料组成：
所述聚醚多元醇A为蔗糖或者山梨醇作为起始剂的一种或者全部的聚醚多元醇；
所述聚醚多元醇B为甘油作为起始剂的其中一种或者全部的聚醚多元醇；
所述聚酯多元醇C为苯酐聚酯多元醇。
所述聚醚多元醇A的官能度4.5～7.5，羟值350～500mkgKOH/kg；优选山东一诺威新材料有限公司INOVOL R370S或INOVOL R8345。
所述聚醚多元醇B的官能度2.5～3.5，羟值150～500mkgKOH/kg；优选山东一诺威新材料有限公司INOVOL C310或INOVOL C303。
所述聚酯多元醇C的官能度2，羟值250～350mkgKOH/kg；优选斯泰潘化学有限公司3020。
所述添加剂为色粉、超细碳酸氢钙和/或降粘剂。
其中，色粉为组合聚醚添加可调节的颜色，超细碳酸氢钙增加组合聚醚的质感，并因其无机的性质，可带走热量，并起到阻燃作用。降粘剂可起到阻燃的作用。
所述催化剂A为反应型催化剂，优选空气化工BX405，所述的催化剂B为羧酸盐类催化剂，优选江苏大江JDKAC。
所述泡沫稳定剂为聚醚改性有机硅类表面活性剂，优选迈图L5388。
所述化学发泡剂为水，优选去离子水。
所述物理发泡剂为氟烃类低沸物；优选一氟二氯乙烷或五氟丙烷。
一种如上所述的影视道具布景用聚氨酯组合聚醚的应用方法，组分A为所述组合聚醚，组分B为甲基多苯基异氰酸酯，将组分A和组分B按重量比1：0.8-1.5的比例混合，然后实施在影视道具的龙骨或者空腔内，发泡定型后进行外形处理即可。
所述组分A的制备，包括如下步骤：将聚醚多元醇A、聚醚多元醇B、聚酯多元醇C、催化剂A、催化剂B、化学发泡剂和物理发泡剂混合，常温搅拌0.5～1小时，按照所需比例加入添加剂，混合10min，得到组合聚醚A。
所述实施方法为喷涂或浇筑。
所述实施方法为发泡时间为3min，发泡2h后进行外形处理。
本发明提供了一种影视布景用聚氨酯组合聚醚及其应用方法，具有低气味性能与反应热量低的特点，利用反应物的挥发或分解带走反应热量，同时泡沫开闭孔率可调整，达到快速大剂量施工不内燃，同时具有韧性好，质感好等诸多优点。
本发明所述的影视道具布景用聚氨酯组合聚醚，为得到较好的混合性能，以粘度较低的聚醚多元醇B作为主体，搭配使用起骨架主链作用的蔗糖类聚醚，结合低粘度聚酯多元醇的使用，可以得到较好的反应粘度，结合低气味催化剂的使用，尽可能减少对人体的气味性伤害，反应体系羟值较低，能带走反应热量的发泡剂较多，同时结合碳酸盐的使用，综合反应热量较低，而且碳酸盐属于无机物。
相对于现有技术，本发明的有益效果是：
(1)该影视道具布景用聚氨酯组合聚醚，反应气味性较低，反应热量低，可进行大量材料的集中快速施工，体系无内燃风险；
(2)该影视道具布景用聚氨酯组合聚醚，快速固化，操作简单，将AB组分混合后即可进行反应，3min内可完成发泡，2h可进行外型处理，24h内可直接进行布景使用；
(3)该影视道具布景用聚氨酯组合聚醚，本材料自带造型属性，成型快，简单喷洒或浇筑施工后，与假山石材类场景的质感相似度极高。
具体实施方式
所用原料均为市售产品。
实施例1
(1)制备A组分，分别称量聚醚多元醇A：R8345(山东一诺威新材料有限公司)：20kg；聚醚多元醇B：C310(山东一诺威新材料有限公司)：30kg；聚酯多元醇C：3020(斯泰潘化学有限公司)：30kg；泡沫稳定剂：L5388(迈图)：2kg；化学发泡剂：水：1.4kg；催化剂A：BX405：3.6kg，催化剂B：JDKAC：2.2kg；物理发泡剂：一氟二氯乙烷：30kg加入反应釜中，在常温下搅拌0.5小时，充分混合后加入降粘剂：TCPP：10kg，高速搅拌10min，装桶得到A组分。
(2)B组分为PM200。
(3)将组分A和组分B按重量比1：1，经过发泡机混合(手工混合亦可)后喷洒或浇筑到影视道具龙骨或者空腔内，3min内可完成发泡，2h可进行外型处理，24h内可直接进行布景使用。反应指标如表1。
实施例2
(1)制备A组分，分别称量聚醚多元醇A：R370S(山东一诺威新材料有限公司)：15kg；聚醚多元醇B：C303(山东一诺威新材料有限公司)：50kg；聚酯多元醇C：3020(斯泰潘化学有限公司)：5kg；泡沫稳定剂：L5388(迈图)：2kg；化学发泡剂：水：0.6kg；催化剂A：BX405：1.6kg，催化剂B：JDKAC：0.6kg；物理发泡剂：五氟丙烷：23kg；加入反应釜中，在常温下搅拌1小时，充分混合后加入超细碳酸氢钙30kg，高速搅拌10min，装入液袋即可得到A组分。
(2)B组分为PM200。
(3)将组分A和组分B按重量比1：0.9，经过发泡机混合(手工混合亦可)后喷洒或浇筑到影视道具龙骨或者空腔内，3min内可完成发泡，2h可进行外型处理，24h内可直接进行布景使用。反应指标如表1。
色粉根据所需颜色根据需要酌情添加。
表1实施例1～2制备的影视道具布景用聚氨酯组合聚醚质量检测数据
由表1可知：影视道具布景用聚氨酯组合聚醚产品，其反应速度可控，操作简单易行，反应气味性较低，具有韧性好，质感好的优势，具有大面积市场推广的可能。
当然，上述内容仅为本发明的较佳实施例，不能被认为用于限定对本发明的实施例范围。本发明也并不仅限于上述举例，本技术领域的普通技术人员在本发明的实质范围内所做出的均等变化与改进等，均应归属于本发明的专利涵盖范围内。

Claims (10)

1.一种影视道具布景用聚氨酯组合聚醚，其特征在于：由以下重量百分含量的原料组成：
所述聚醚多元醇A为蔗糖或者山梨醇作为起始剂的一种或者全部的聚醚多元醇；
所述聚醚多元醇B为甘油作为起始剂的其中一种或者全部的聚醚多元醇；
所述聚酯多元醇C为苯酐聚酯多元醇。
2.根据权利要求1所述的影视道具布景用聚氨酯组合聚醚，其特征在于：所述聚醚多元醇A的官能度4.5～7.5，羟值350～500mkgKOH/kg；优选山东一诺威新材料有限公司INOVOLR370S或INOVOL R8345。
3.根据权利要求1所述的影视道具布景用聚氨酯组合聚醚，其特征在于：所述聚醚多元醇B的官能度2.5～3.5，羟值150～500mkgKOH/kg；优选山东一诺威新材料有限公司INOVOLC310或INOVOL C303。
4.根据权利要求1所述的影视道具布景用聚氨酯组合聚醚，其特征在于：所述聚酯多元醇C的官能度2，羟值250～350mkgKOH/kg；优选斯泰潘化学有限公司3020。
5.根据权利要求1所述的影视道具布景用聚氨酯组合聚醚，其特征在于：所述添加剂为色粉、超细碳酸氢钙和/或降粘剂。
6.根据权利要求1所述的影视道具布景用聚氨酯组合聚醚，其特征在于：所述催化剂A为反应型催化剂，优选空气化工BX405，所述的催化剂B为羧酸盐类催化剂，优选江苏大江JDKAC。
7.根据权利要求1所述的影视道具布景用聚氨酯组合聚醚，其特征在于：所述泡沫稳定剂为聚醚改性有机硅类表面活性剂，优选迈图L5388。
8.根据权利要求1所述的影视道具布景用聚氨酯组合聚醚，其特征在于：所述化学发泡剂为水，优选去离子水。
9.根据权利要求1所述的影视道具布景用聚氨酯组合聚醚，其特征在于：所述物理发泡剂为氟烃类低沸物；优选一氟二氯乙烷或五氟丙烷。
10.一种根据权利要求1-9任一项所述的影视道具布景用聚氨酯组合聚醚的应用方法，其特征在于，组分A为所述组合聚醚，组分B为甲基多苯基异氰酸酯，将组分A和组分B按重量比1：0.8-1.5的比例混合，然后实施在影视道具的龙骨或者空腔内，发泡定型后进行外形处理即可。
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