CN111978505A - 一种水基轻质发泡料及其生产方法 - Google Patents
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Abstract
本发明公开一种水基轻质发泡料及其生产方法,包括基料和辅料,所述基料与辅料的重量配比为1:1.3,所述基料的各组分重量配比为氯基树脂28~38%,聚酯聚***30~42%,高活***联剂2~8%,硅油0.3~1.2%,氮磷系无卤型阻燃剂20~28%,催化剂1~5%,水1~5%,辅料为异氰酸酯和纤维素,本发明采用氯基树脂为主料的配方加工处的发泡料具有绿色环保的特性,不会产生氟利昂污染环境,且在敷料中加入了适量的纤维素,利用纤维素的特性,使得发泡料在生产之后使用的时候,其硬度和耐拉性更高,这样在后期实际使用过程中,收到外力拉扯的时候,由于其耐拉的特性会使得其不会受拉损坏,提高了其使用的性能。
Description
技术领域
本发明属于水基轻质发泡料相关技术领域,具体涉及一种水基轻质发泡料及其生产方法。
背景技术
聚氨酯泡沫塑料是用聚醚(或聚酯多元醇)与多异氰酸酯为主要原料,再加催化剂、泡沫稳定剂和发泡剂等,经混合、搅拌产生化学反应而形成发泡体,按其硬度可分为软质和硬质两类,其中硬质聚氨酯泡沫塑料常作为建筑用材、家具用材、汽车内饰用材等,应用范围较广,聚氨酯泡沫塑料生产中常使用的发泡剂有氟里昂发泡剂、烷烃类发泡剂、HCFC类发泡剂,可呼吸性及随建筑基层构件热胀冷缩变形而弹性变形等特点,特别适用于幕墙,挂板及干挂饰面墙体体系的外保温及各类建筑物***护结构内保温隔热及夹芯保温隔热。
现有的水基轻质发泡料技术存在以下问题:泡沫整体硬度较低,容易发生破碎,在使用的时候收到外力会被轻易的撕裂发生损毁,其性能较低,使用范围较为局限。
发明内容
本发明的目的在于提供一种水基轻质发泡料及其生产方法,以解决上述背景技术中提出的泡沫整体硬度较低,容易发生破碎,在使用的时候收到外力会被轻易的撕裂发生损毁,其性能较低,使用范围较为局限问题。
为实现上述目的,本发明提供如下技术方案:
一种水基轻质发泡料,包括基料和辅料,所述基料与辅料的重量配比为1:1.3,所述基料的各组分重量配比为氯基树脂28~38%,聚酯聚***30~42%,高活***联剂2~8%,硅油0.3~1.2%,氮磷系无卤型阻燃剂20~28%,催化剂1~5%,水1~5%,辅料为异氰酸酯和纤维素。
优选的,所述基料与辅料的重量配比为1:1.3,所述基料的各组分重量配比为氯基树脂30%,聚酯聚***35%,高活***联剂5%,硅油1%,氮磷系无卤型阻燃剂25%,催化剂1%,水3%;
所述硅油采用甲基硅油,所述氮磷系无卤型阻燃剂由三部分组成,分别为酸源、碳源和气源,所述催化剂为液体状催化剂。
所述异氰酸酯和纤维素均为粉末状结构,且均是通过密封结构进行存放。
所述发泡料的生产方法如下步骤:
步骤一:选取适量基料中各组分氯基树脂,聚酯聚***,高活***联剂,硅油,氮磷系无卤型阻燃剂,催化剂,水,以及辅料异氰酸酯和纤维素备用;
步骤二:将反应需要的反应釜清理干净备用;
步骤三:将上述反应釜准备就绪,然后将基料中各组分氯基树脂,聚酯聚***,高活***联剂,硅油依次加入反应釜中进行反应;
步骤四:对反应釜进行加热,使其温度稳定在110度,加热半小时;
步骤五:半小时后对反应釜进行降温,降温过程中随着温度降低依次加入氮磷系无卤型阻燃剂、催化剂和水,加入过程中伴随着搅拌同时进行,加入时的温度分别为70度、50度和40度;
步骤六:等待反应釜冷却至常温,搅拌停止;
步骤七:将上述反应混合物以及辅料异氰酸酯和纤维素加入到指定的注塑机中,根据不同需要注塑机型号可以多样,在注塑机内部进行发泡反应硬化,从而通过注塑机加工成型。
与现有技术相比,本发明提供了一种水基轻质发泡料及其生产方法,具备以下有益效果:
本发明采用氯基树脂为主料的配方加工处的发泡料具有绿色环保的特性,不会产生氟利昂污染环境,且在敷料中加入了适量的纤维素,利用纤维素的特性,使得发泡料在生产之后使用的时候,其硬度和耐拉性更高,这样在后期实际使用过程中,收到外力拉扯的时候,由于其耐拉的特性会使得其不会受拉损坏,提高了其使用的性能。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
本发明提供一种技术方案:
一种水基轻质发泡料,包括基料和辅料,基料与辅料的重量配比为1:1.3,基料的各组分重量配比为氯基树脂28~38%,聚酯聚***30~42%,高活***联剂2~8%,硅油0.3~1.2%,氮磷系无卤型阻燃剂20~28%,催化剂1~5%,水1~5%,辅料为异氰酸酯和纤维素。
一种水基轻质发泡料,硅油采用甲基硅油;氮磷系无卤型阻燃剂机理由三部分组成,分别为碳源(常为多羟基化合物,如季戊四醇)、酸源(如聚磷酸铵,即APP)及发泡剂(如三聚氰胺),它们是通过下述相互作用而形成炭层的,首先在较低温度(150℃左右,具体温度取决于酸源和其他组分的性质)下,有酸源产生能酯化多元醇和可作为脱水剂的酸;其次,在稍高于释放酸的温度下,酸与多元醇(碳源)进行酯化法反应,而体系中的胺则作为此酯化反应的催化剂,加速反应进行;最后体系在酯化反应前或酯化反应过程中熔化,反应过程中产生的水蒸气和气源产生的不燃性气体使已处于溶融状态的体系膨胀发泡,与此同时,多元醇和酯脱水炭化,形成无机物及炭残余物,且体系进一步膨胀发泡,反应接近完成时,体系胶化和固化,最后形成多孔泡沫炭层;催化剂为液体状催化剂;异氰酸酯和纤维素均为粉末状结构,且均是通过密封结构进行存放。
发泡料的生产方法如下步骤:
步骤一:选取适量基料中各组分氯基树脂,聚酯聚***,高活***联剂,硅油,氮磷系无卤型阻燃剂,催化剂,水,以及辅料异氰酸酯和纤维素备用;
步骤二:将反应需要的反应釜清理干净备用;
步骤三:将上述反应釜准备就绪,然后将基料中各组分氯基树脂,聚酯聚***,高活***联剂,硅油依次加入反应釜中进行反应;
步骤四:对反应釜进行加热,使其温度稳定在110度,加热半小时;
步骤五:半小时后对反应釜进行降温,降温过程中随着温度降低依次加入氮磷系无卤型阻燃剂、催化剂和水,加入过程中伴随着搅拌同时进行,加入时的温度分别为70度、50度和40度;
步骤六:等待反应釜冷却至常温,搅拌停止;
步骤七:将上述反应混合物以及辅料异氰酸酯和纤维素加入到指定的注塑机中,根据不同需要注塑机型号可以多样,在注塑机内部进行发泡反应硬化,从而通过注塑机加工成型。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (4)
1.一种水基轻质发泡料,包括基料和辅料,其特征在于:所述基料与辅料的重量配比为1:1.3,所述基料的各组分重量配比为氯基树脂28~38%,聚酯聚***30~42%,高活***联剂2~8%,硅油0.3~1.2%,氮磷系无卤型阻燃剂20~28%,催化剂1~5%,水1~5%,辅料为异氰酸酯和纤维素。
2.根据权利要求1所述的一种水基轻质发泡料,其特征在于:所述硅油采用甲基硅油,所述氮磷系无卤型阻燃剂由三部分组成,分别为酸源、碳源和气源,所述催化剂为液体状催化剂。
3.根据权利要求1所述的一种水基轻质发泡料,其特征在于:所述异氰酸酯和纤维素均为粉末状结构,且均是通过密封结构进行存放。
4.一种水基轻质发泡料生产方法,其特征在于:所述发泡料的生产方法如下步骤:
步骤一:选取适量基料中各组分氯基树脂,聚酯聚***,高活***联剂,硅油,氮磷系无卤型阻燃剂,催化剂,水,以及辅料异氰酸酯和纤维素备用;
步骤二:将反应需要的反应釜清理干净备用;
步骤三:将上述反应釜准备就绪,然后将基料中各组分氯基树脂,聚酯聚***,高活***联剂,硅油依次加入反应釜中进行反应;
步骤四:对反应釜进行加热,使其温度稳定在110度,加热半小时;
步骤五:半小时后对反应釜进行降温,降温过程中随着温度降低依次加入氮磷系无卤型阻燃剂、催化剂和水,加入过程中伴随着搅拌同时进行,加入时的温度分别为70度、50度和40度;
步骤六:等待反应釜冷却至常温,搅拌停止;
步骤七:将上述反应混合物以及辅料异氰酸酯和纤维素加入到指定的注塑机中,根据不同需要注塑机型号可以多样,在注塑机内部进行发泡反应硬化,从而通过注塑机加工成型。
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CN115196916A (zh) * | 2022-07-05 | 2022-10-18 | 江苏金宇防腐科技有限公司 | 一种防腐轻质的发泡建筑装饰材料以及制备方法 |
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