CN114163601B - 浴缸用聚氨酯原料组合物及其制备方法 - Google Patents
浴缸用聚氨酯原料组合物及其制备方法 Download PDFInfo
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Abstract
本发明涉及浴缸用聚氨酯技术领域,具体涉及一种浴缸用聚氨酯原料组合物及其制备方法。所述的浴缸用聚氨酯原料组合物:由A组分和B组分按1:(1.15‑1.25)的重量比混合组成;A组分由以下重量份数的原料组成:第一聚醚多元醇15‑25份,第二聚醚多元醇45‑55份,聚酯多元醇25‑35份,物理发泡剂20‑22份,泡沫稳定剂2.0‑3.0份,催化剂1.5‑3.0份,化学发泡剂1.3‑1.5份;聚醚多元醇和聚酯多元醇的总重量份数为100份;B组分为异氰酸酯类化合物。本发明提供一种浴缸用聚氨酯原料组合物,所制备的聚氨酯泡沫用于浴缸,综合机械性能好,环保;本发明还提供其制备方法。
Description
技术领域
本发明涉及浴缸用聚氨酯技术领域,具体涉及一种浴缸用聚氨酯原料组合物及其制备方法。
背景技术
目前我国建筑业及旅游业在蓬勃发展。因此,需要大量与之配套的卫生洁具,浴缸更是不可或缺的其中一种,浴缸已经走进千家万户,市场前景极为广阔。
现在浴缸的材质非常多样,浴缸目前主流材质主要有:亚克力,铸铁(覆搪瓷)、钢板(覆搪瓷)、木质,陶瓷、人造大理石(人造玛瑙)等。亚克力浴缸是采用人造有机材料制成的,其主要特点是造型丰富、重量轻、表面光洁度好,而且价格较低,保温效果稍好,但是由于人造有机材料的耐高温能力比较差,耐压能力也较差,不耐磨,从而导致有易老化的缺点,使用寿命短,三年左右表面容易变色,被坚硬东西弄花。铸铁浴缸,这种浴缸是采用铸铁制造而成的,其表面覆搪瓷,主要优点经久耐用,注水噪声小,便于清洗,但是重量比较大,而价格昂贵,不便安装与运输,保温性不及亚克力缸,铸造的过程比较复杂,造型比较单一。钢板浴缸这种浴缸是由传统的材质制成的,这种浴缸的价格较便宜、它有着耐磨耐热、耐压等多种特点,重量介于铸铁缸与亚克力缸之间,保温效果要低于铸铁缸,但是其使用寿命比较长,整体性价比较高,其缺点保温效果差,注水噪声大,造型比较单调。木制浴缸一般采用橡木或其它木质材料制作,是一种古老传统的洗浴用具,保温性强,但使用寿命短,价格较高,容易出现开裂现象,会变形漏水,表面及拼板接缝处不易清洁。陶瓷浴缸,表面硬度虽好,但是易破损,泛黄。仿玛瑙浴缸是一种有机高分子复合材料,易褪色,易破碎,甚至部分人使用后还会导致过敏。
为此,本领域持续需要开发适用于浴缸的新材料。
发明内容
本发明要解决的技术问题是提供一种浴缸用聚氨酯原料组合物,所制备的聚氨酯泡沫用于浴缸,保温效果佳,使用寿命长,抗老化程度高,综合机械性能好,重量轻,环保;本发明还提供其制备方法。
本发明所述的浴缸用聚氨酯原料组合物:由A组分和B组分按1:(1.15-1.25)的重量比混合组成;
A组分由以下重量份数的原料组成:
第一聚醚多元醇 15-25份
第二聚醚多元醇 45-55份
聚酯多元醇 25-35份
物理发泡剂 20-22份
泡沫稳定剂 2.0-3.0份
催化剂 1.5-3.0份
化学发泡剂 1.3-1.5份;
聚醚多元醇和聚酯多元醇的总重量份数为100份;
B组分为异氰酸酯类化合物。
第一聚醚多元醇为羟值425-455mgKOH/g、25℃时粘度为2700-3700mPa.s的聚醚多元醇。
第二聚醚多元醇为羟值为435-465mgKOH/g、25℃时粘度为7000-10000mPa.s的聚醚多元醇。
聚酯多元醇为羟值为260-290mgKOH/g、25℃时粘度为3000-8000mPa.s的聚酯多元醇。
催化剂为N,N,N,N,N-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-二甲基卞胺和BX405的混合物。
N,N,N,N,N-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-一二甲基卞胺和BX405的重量比例为(0.5-0.7):(0.7-1.0):(1.0-1.2):(0.7-1.0)。
化学发泡剂为水。
物理发泡剂为第三代发泡剂。
异氰酸酯类化合物为聚合二苯基甲烷二异氰酸酯。
所述的浴缸用聚氨酯原料组合物的制备方法,包括以下步骤:
(1)制备A组分:将A组分配方量的第一聚醚多元醇、第二聚醚多元醇、聚酯多元醇、泡沫稳定剂、化学发泡剂、催化剂与物理发泡剂,依次加入反应釜中,在常温下搅拌1.0-1.5小时,充分混合,即得A组分;
(2)使用时,将A组分和B组分温度维持在20-25℃,A、B组分按1:(1.3-1.5)的重量比混合,进行高压发泡,注入模具,固化,制得聚氨酯泡沫浴缸。
本发明所述的浴缸用聚氨酯泡沫是以组合聚醚和异氰酸酯为主要原料,在催化剂、发泡剂等多重助剂的作用下,通过搅拌设备混合后发泡而成的高分子聚合物。聚氨酯泡沫是一种集亚克力,铸铁(覆搪瓷)、钢板(覆搪瓷)、木质,陶瓷、人造大理石(人造玛瑙)等诸多优势功能于一体的浴缸材质,基于聚氨酯泡沫的浴缸主要有以下优点:抗压强度高,保温效果佳、不易传热,抗老化程度高,耐磨性强,防水性能优良、不吸水,重量轻、满足了轻量化的要求,耐高低温和热冲击、不开裂、不脱落,寿命长,且阻燃性能高,遇火不易燃烧,吸音隔声。这类浴缸应用范围极广,可应用于公共卫生场所、宾馆、饭店及家庭卫生间。
与现有技术相比,本发明有以下有益效果:
(1)本发明的浴缸用聚氨酯原料组合物,由大分子聚醚多元醇与聚酯多元醇剂相互协同作用,所制备的聚氨酯泡沫,在保证抗老化能力强,使用寿命长的的同时,又提高了其耐磨性、保温性能和较低吸水率;
(2)本发明采用聚氨酯组合原料,与催化剂和发泡剂,均采用环保型物质,为绿色产品,降低浴缸行业对环境的压力。
具体实施方式
本发明提供了一种浴缸用聚氨酯原料组合物及其制备方法,本领域技术人员可以借鉴本文内容,适当改进工艺参数实现。特别需要指出的是,所有类似的替换和改动对本领域技术人员来书是显而易见的,它们都属于本发明保护的范围。本发明的制备方法已经通过较佳实施例进行了描述,相关人员明显能在不脱离本发明内容、精神和范围内对本发明的制备方法进行改动和适当变更与组合,来实现和应用本发明技术。
本申请中的数字范围是近似值,因此除非另有说明,否则其可包括范围以外的数值。数值范围包括以1个单位增加的从下限值到上限值的所有数值,条件是在任意较低值与任意较高值之间存在至少2个单位的间隔。例如,如果记载组分、物理或其它性质(如分子量,熔体指数等)是100至1000,意味着明确列举了所有的单个数值,例如100,101,102等,以及所有的子范围,例如100到166,155到170,198到200等。对于包含小于1的数值或者包含大于1的分数(例如1.1,1.5等)的范围,则适当地将1个单位看作0.0001,0.001,0.01或者0.1。对于包含小于10(例如1到5)的个位数的范围,通常将1个单位看作0.1。这些仅仅是想要表达的内容的具体示例,并且所列举的最低值与最高值之间的数值的所有可能的组合都被认为清楚记载在本申请中。还应指出,本文中的术语“第一”、“第二”等不限定先后顺序,只是为了区分不同结构的物质。
本发明所述的浴缸用聚氨酯原料组合物:由A组分和B组分按1:(1.15-1.25)的重量比混合组成,优选重量比为1:1.2;
A组分由以下重量份数的原料组成:
第一聚醚多元醇 15-25份
第二聚醚多元醇 45-55份
聚酯多元醇 25-35份
物理发泡剂 20-22份
泡沫稳定剂 2.0-3.0份
催化剂 1.5-3.0份
化学发泡剂 1.3-1.5份;
聚醚多元醇和聚酯多元醇的总重量份数为100份;
B组分为异氰酸酯类化合物。
第一聚醚多元醇为羟值425-455mgKOH/g、25℃时粘度为2700-3700mPa.s的聚醚多元醇,优选为河北亚东集团生产的聚醚多元醇YD-8669。
第二聚醚多元醇为羟值为435-465 mgKOH/g、25℃时粘度为7000-10000mPa.s的聚醚多元醇,优选为句容宁武新材料股份有限公司生产的聚醚多元醇NJ-450L。
聚酯多元醇为羟值为260-290mgKOH/g、25℃时粘度为3000-8000mPa.s的聚酯多元醇,爱敬(宁波)化工有限公司生产的聚酯多元醇AK-4010。
催化剂为N,N,N,N,N-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-二甲基卞胺和BX405的混合物。
N,N,N,N,N-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-一二甲基卞胺和BX405的重量比例为(0.5-0.7):(0.7-1.0):(1.0-1.2):(0.7-1.0)。
化学发泡剂为水。
物理发泡剂优选为第三代发泡剂环戊烷。
泡沫稳定剂为常规稳定剂剂,优选为江苏美思德化学股份有限公司生产的泡沫稳定剂M-8882。
异氰酸酯类化合物优选为聚合二苯基甲烷二异氰酸酯。
所述的浴缸用聚氨酯原料组合物的制备方法,包括以下步骤:
(1)制备A组分:将A组分配方量的第一聚醚多元醇、第二聚醚多元醇、聚酯多元醇、泡沫稳定剂、化学发泡剂、催化剂与物理发泡剂,依次加入反应釜中,在常温下搅拌1.0-1.5小时,充分混合,即得A组分;
(2)使用时,将A组分和B组分温度维持在20-25℃,A、B组分按1:(1.3-1.5)的重量比混合,进行高压发泡,注入模具,固化,制得聚氨酯泡沫浴缸。
本发明的聚氨酯泡沫制品相比较传统的浴缸材质集集亚克力,铸铁(覆搪瓷)、钢板(覆搪瓷)、木质,陶瓷、人造大理石(人造玛瑙)等材质的诸多优势功能于一体;浴缸用聚氨酯泡沫抗压强度高,保温效果佳,抗老化程度高,耐磨性强,防水性能优良、不吸水,重量轻,耐高低温和热冲击、不开裂、不脱落,寿命长,采用无氟发泡,其消耗臭氧潜能值为零,对环境友好,无污染的优点。
以下结合实施例,对本申请的技术方案进行清楚和完整的描述。所用的试剂和原材料均通过商业途径购买。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。
以下实施例中所用到的原料来源如下:
聚醚多元醇YD-8669:河北亚东集团生产;
聚醚多元醇NJ-450L:句容宁武新材料股份有限公司生产;
聚酯多元醇AK-4010:爱敬(宁泼)化工有限公司;
硅酮类泡沫稳定剂M-8882:迈美思德化学股份有限公司;
异氰酸酯为聚合MDI:烟台万华,型号PM200;
物理发泡剂环戊烷:于浙江三美化学股份有限公司。
实施例1-5
实施例1-5和对比例1-2的浴缸用聚氨酯原料组合物和重量份数如下述表1所示。
表1 实施例1-5和对比例1-2中浴缸用聚氨酯原料组合物配方
实施例1-5和对比例1-2的聚氨酯防盗门的制备方法,步骤如下:
(1)制备A组分:将A组分配方量的聚醚多元醇A、聚醚多元醇B、聚醚多元醇C、泡沫稳定剂、催化剂,在不锈钢混合釜中均匀混合45min,搅拌均匀,即得A组分;
(2)使用时,将A组分和B组分温度维持在22℃混合反应15-20s开始发泡,A、B组分按的重量比混合,得聚氨酯泡沫,然后将聚氨酯泡沫注入预先预热到30-50℃的闭合模具中,压实并紧固模具,在40-60℃的条件下固化3-6小时,即制得聚氨酯泡沫浴缸。
对比例3-6
对比例3-6选用正常销售的材质分别为亚克力、钢板、木质、陶瓷作为对比,并对其检测其性能。
将实施例1-5和对比例1-6制得的聚氨酯浴缸材料进行性能测试,检测标准如下;
模塑密度:GB/T6343-1995
抗压强度:GB8813-88
使用寿命:使用年限
抗老化能力:差示扫描量热和热失重分析
耐磨性测试:按GB/T1788-1979
吸水率测试:按HG/T2-1612-1985/%
测试结果如表2所示。
表2 实施例1-5和对比例1-5制得的聚氨酯浴缸材料的性能测试结果
从表2可以看出,本发明所得的聚氨酯泡沫浴缸具有抗压强度高,保温效果佳,寿命长,抗老化程度高,耐磨性强,吸水率低,重量轻,环保等优异性能。
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 (1)
1.一种浴缸用聚氨酯原料组合物,其特征在于:由A组分和B组分按1:(1.15-1.25)的重量比混合组成;
A组分由以下重量份数的原料组成:
第一聚醚多元醇 15-25份
第二聚醚多元醇 45-55份
聚酯多元醇 25-35份
物理发泡剂 20-22份
泡沫稳定剂 2.0-3.0份
催化剂 1.5-3.0份
化学发泡剂 1.3-1.5份;
聚醚多元醇和聚酯多元醇的总重量份数为100份;
B组分为异氰酸酯类化合物;
第一聚醚多元醇为羟值425-455mgKOH/g、25℃时粘度为2700-3700mPa.s的聚醚多元醇;
第二聚醚多元醇为羟值为435-465mgKOH/g、25℃时粘度为7000-10000mPa.s的聚醚多元醇;
聚酯多元醇为羟值为260-290mgKOH/g、25℃时粘度为3000-8000mPa.s的聚酯多元醇;
催化剂为N,N,N,N,N-五甲基二亚乙基三胺、N,N-二甲基环己胺、N,N-一二甲基卞胺和BX405的重量比例为(0.5-0.7):(0.7-1.0):(1.0-1.2):(0.7-1.0)的混合物;
物理发泡剂为环戊烷,泡沫稳定剂为M-8882;
化学发泡剂为水;
异氰酸酯类化合物为聚合二苯基甲烷二异氰酸酯;
所述的浴缸用聚氨酯原料组合物的制备方法,包括以下步骤:
(1)制备A组分:将A组分配方量的第一聚醚多元醇、第二聚醚多元醇、聚酯多元醇、泡沫稳定剂、化学发泡剂、催化剂与物理发泡剂,依次加入反应釜中,在常温下搅拌1.0-1.5小时,充分混合,即得A组分;
(2)使用时,将A组分和B组分温度维持在20-25℃,A、B组分混合。
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