CN113980236B - 抗滴落聚氨酯软泡及其制备方法和应用 - Google Patents
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Abstract
本发明提供一种抗滴落聚氨酯软泡及其制备方法和应用,该抗滴落聚氨酯软泡由特定配比的聚醚多元醇、多亚甲基多苯基多异氰酸酯、去离子水、胺类催化剂、锡类催化剂、硅油复配制成,疏水性好,抗熔融滴落,能够提升聚氨酯软泡的火灾安全性,可以有效扩展聚氨酯软泡的应用领域。
Description
技术领域
本发明涉及聚氨酯软泡技术领域,尤其涉及一种抗滴落聚氨酯软泡及其 制备方法和应用。
背景技术
聚氨酯软泡(FPUF)是指具备一定弹性的柔软性聚氨酯泡沫塑料。聚 氨酯软泡存在严重的火灾隐患,其极限氧指数通常仅为17-18%,属于易燃 产品。聚氨酯软泡由于具有较大的表面积和良好的透气性会加速燃烧时火势 的蔓延,泡沫燃烧时会伴随严重的熔融滴落现象,极容易引燃其它易燃材料 而引起火灾的进一步蔓延,从而造成更大的危害。因聚氨酯软泡材料熔融滴 落而引发火灾、造成重大人员伤亡的事故已经引起社会各界的广泛关注。因 此,解决聚氨酯软泡材料的熔融滴落问题具有重要的实际应用意义。
发明内容
基于此,有必要提供一种抗滴落聚氨酯软泡及其制备方法和应用。
本发明采用如下技术方案:
本发明提供一种抗滴落聚氨酯软泡,主要由如下重量份的原料混合反应 而成:聚醚多元醇30份、有机锡催化剂0.02份-0.1份、胺类催化剂0.02份 -0.1份、硅油0.15份-0.5份、水0.9份-1.5份,以及多亚甲基多苯基多异氰 酸酯9份-25份。
在其中一些实施例中,所述聚醚多元醇选自聚醚330、聚醚310、聚醚 240、聚醚215、聚醚210、聚醚206、聚醚360、聚醚1000、聚醚1500、聚 醚3000中的至少一种。
在其中一些实施例中,所述聚醚多元醇选自聚醚330、聚醚310、聚醚 240、聚醚215、聚醚210、聚醚206、聚醚360中的至少一种。
在其中一些实施例中,所述有机锡催化剂选自二丁基二月桂酸锡。
在其中一些实施例中,所述胺类催化剂选自三乙烯二胺。
在其中一些实施例中,所述硅油选自硅油L-580。
在其中一些实施例中,所述抗滴落聚氨酯软泡的水接触角大于90°。
本发明还提供一种上述所述的抗滴落聚氨酯软泡的制备方法,包括如下 步骤:将聚醚多元醇、有机锡催化剂、胺类催化剂、硅油、水混合均匀,形 成第一混合液;将多亚甲基多苯基多异氰酸酯加入到第一混合液中,搅拌均 匀,形成第二混合液;将所述第二混合液转入模具中反应,静置,即得。
在其中一些实施例中,所述静置工艺参数为:室温,静置2-5h。
本发明还提供上述所述的抗滴落聚氨酯软泡在疏水抗熔融滴落聚氨酯 发泡材料产品中的应用。
本发明的有益效果:
与现有技术相比,本发明以多亚甲基多苯基多异氰酸酯复配特定配比的 聚醚多元醇、有机锡催化剂、胺催化剂、硅油和水,整体上能够获得抗熔融 滴落性能好的聚氨酯软泡,从而能够有效降低火灾延续的安全隐患。本发明 聚氨酯软泡同时保证泡沫开孔率高,在低密度下能够保持良好的尺寸稳定性, 不收缩、不膨胀。本发明聚氨酯软泡的制备方法熟化速度快,成本也较低。
附图说明
图1为部分实施例的聚氨酯软泡的扫描电镜图。
图2为部分实施例的聚氨酯软泡的外观及开孔情况照片。
图3为市售聚氨酯软泡FPU-M和实施例1制备的聚氨酯软泡FPU-1在 相同规格(25mm×25mm×25mm)不同时间下燃烧的数码照片。
图4为实施例1的聚氨酯软泡FPU-1的水接触角测试的数码照片。
具体实施方式
下面结合具体实施例对本发明作进一步的详细说明,以使本领域的技术 人员更加清楚地理解本发明。
以下各实施例,仅用于说明本发明,但不止用来限制本发明的范围。基 于本发明中的具体实施例,本领域普通技术人员在没有做出创造性劳动的情 况下,所获得的其他所有实施例,都属于本发明的保护范围。
在本发明实施例中,若无特殊说明,所有原料组分均为本领域技术人员 熟知的市售产品;在本发明实施例中,若未具体指明,所用的技术手段均为 本领域技术人员所熟知的常规手段。
实施例1
本实施例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加30g的聚醚330、0.03g的二丁基二月桂酸 锡、0.04g的三乙烯二胺(A98)、0.9g的去离子水和0.25g的硅油(L-580), 搅拌2min使其混合均匀,标记为A组分。在另一个一次性塑料杯中添加13g 的多亚甲基多苯基多异氰酸酯(PAPI),标记为B组分。
(2)将B组分快速加入到A组分中,搅拌50s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置3h,即得聚氨酯软泡(记 为FPU-1)。
实施例2
本实施例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加30g的聚醚220、0.04g的二丁基二月桂酸 锡、0.03g的三乙烯二胺A98、0.9g的去离子水和0.2g的硅油L-580,搅拌 2min使其混合均匀,标记为A组分。在另一个一次性塑料杯中添加12g的 多亚甲基多苯基多异氰酸酯PAPI,标记为B组分。
(2)将B组分快速加入到A组分中,搅拌60s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置2h,即可得到聚氨酯软泡 (记为FPU-2)。
实施例3
本实施例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加30g的聚醚310、0.08g的二丁基二月桂酸 锡、0.1g的三乙烯二胺A98、1.5g的去离子水和0.5g的硅油L-580,搅拌2min 使其混合均匀,标记为A组分。在另一个一次性塑料杯中添加25g的多亚甲 基多苯基多异氰酸酯PAPI,标记为B组分。
(2)将B组分快速加入到A组分中,搅拌70s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置5h,即可得到聚氨酯软泡 (记为FPU-3)。
实施例4
本实施例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加20g的聚醚206、10g的聚醚210,0.1g的 二丁基二月桂酸锡、0.09g的三乙烯二胺A98、1.5g的去离子水和0.3g的硅 油L-580,搅拌2min使其混合均匀,标记为A组分。在另一个一次性塑料 杯中添加23g的多亚甲基多苯基多异氰酸酯PAPI,标记为B组分。
(2)将B组分快速加入到A组分中,搅拌60s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置4h,即可得到聚氨酯软泡 (记为FPU-4)。
实施例5
本实施例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加10g的聚醚330、20g的聚醚310、0.065g 的二丁基二月桂酸锡、0.06g的三乙烯二胺A98、1.4g的去离子水和0.4g的 硅油L-580,搅拌2min使其混合均匀,标记为A组分。在另一个一次性塑 料杯中添加18g的多亚甲基多苯基多异氰酸酯PAPI,标记为B组分。
(2)将B组分快速加入到A组分中,搅拌70s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置4h,即可得到聚氨酯软泡 (记为FPU-5)。
实施例6
本实施例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加10g的聚醚210、10g的聚醚220、10g的 聚醚240、0.02g的二丁基二月桂酸锡、0.02g的三乙烯二胺A98、0.6g的去 离子水和0.15g的硅油L-580,搅拌2min使其混合均匀,标记为A组分。在 另一个一次性塑料杯中添加9g的多亚甲基多苯基多异氰酸酯PAPI,标记为 B组分。
(2)将B组分快速加入到A组分中,搅拌60s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置2h,即可得到聚氨酯软泡 (记为FPU-6)。
对比例1
本对比例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加10g聚醚330、10g聚醚220、10g聚醚210、 0.04g的二丁基二月桂酸锡、0.01g的三乙烯二胺A98、0.6g的去离子水和0.2g 的硅油L-580,搅拌2min使其混合均匀,标记为A组分。在另一个一次性 塑料杯中添加14g的多亚甲基多苯基多异氰酸酯PAPI,标记为B组分。
(2)将B组分快速加入到A组分中,搅拌60s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置2h,即可得到聚氨酯软泡 材料。
对比例2
本对比例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加20g聚醚330、10g聚醚220、0.01g的二丁 基二月桂酸锡、0.04g的三乙烯二胺A98、1.0g的去离子水和0.14g的硅油 L-580,搅拌2min使其混合均匀,标记为A组分。在另一个一次性塑料杯中 添加9g的多亚甲基多苯基多异氰酸酯PAPI,标记为B组分。
(2)将B组分快速加入到A组分中,搅拌60s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置2h,即可得到聚氨酯软泡 材料。
对比例3
本对比例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加20g聚醚330、10g聚醚210、0.015g的二 丁基二月桂酸锡、0.03g的三乙烯二胺A98、0.8g的去离子水和0.12g的硅油 L-580,搅拌2min使其混合均匀,标记为A组分。在另一个一次性塑料杯中 添加12g的多亚甲基多苯基多异氰酸酯PAPI,标记为B组分。
(2)将B组分快速加入到A组分中,搅拌60s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置2h,即可得到聚氨酯软泡 材料。
对比例4
本对比例提供一种聚氨酯软泡的制备方法,包括如下步骤:
(1)在一次性塑料杯中添加30g聚醚330、0.03g的二丁基二月桂酸锡、 0.04g的三乙烯二胺A98、0.9g的去离子水和0.1g的硅油L-580,搅拌2min 使其混合均匀,标记为A组分。在另一个一次性塑料杯中添加13g的多亚甲 基多苯基多异氰酸酯PAPI,标记为B组分。
(2)将B组分快速加入到A组分中,搅拌60s使组分形成均匀的混合 溶液。再将混合溶液倒入模具中反应,室温下静置2h,即可得到聚氨酯软泡 材料。
性能验证
分别对实施例1至6以及对比例1至4和市售聚氨酯软泡进行产品外观、 基础性能指标、燃烧试验(相同规格25mm×25mm×25mm)测试,统计结果 分别见下表1至2以及图1至图4:
表1产品外观及内部开孔情况
由表1和图1、2可以看出,与对比例1至4相比,实施例1至6的聚 氨酯软泡具有弹性好的三维骨架结构,不收缩、不膨胀,泡孔均匀,骨架稳 定,表面平整。
表2基础性能及燃烧测试统计表
由表2可以看出,与常规市售聚氨酯软泡(FPU-M)相比,实施例1的 聚氨酯软泡具有较好的疏水性,同时燃烧完全后有大量的残炭保留,无熔融 滴落现象,能够避免造成火灾延续。
另外,值得说明的是,发明人团队经过大量研究表明,当特定种类的聚 醚多元醇、有机锡催化剂、胺类催化剂、硅油、水以及多亚甲基多苯基多异 氰酸酯以重量比30:(0.02-0.1):(0.02-0.1):(0.15-0.5):(0.6-1.5):(9-25) 混合反应时,所制备得到的聚氨酯软泡均具有良好的抗熔融滴落性能,泡沫 燃烧时熔融滴落现象消失并逐渐炭化,燃烧完全后有大量残炭保留,可以提 高聚氨酯软泡的火灾安全性,同时其具有良好的疏水性,能够有效扩展聚氨 酯软泡的应用领域。
在此有必要指出的是,以上实施例仅限于对本发明的技术方案做进一步 的阐述和说明,并不是对本发明的技术方案的进一步的限制,本发明的方法 仅为较佳的实施方案,并非用于限定本发明的保护范围。凡在本发明的精神 和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保 护范围之内。
Claims (5)
2.根据权利要求1所述的抗滴落聚氨酯软泡,其特征在于,所述抗滴落聚氨酯软泡的水接触角大于90°。
3.一种权利要求1或2所述的抗滴落聚氨酯软泡的制备方法,其特征在于,包括如下步骤:
将聚醚多元醇、有机锡催化剂、胺类催化剂、硅油、水混合均匀,形成第一混合液;
将多亚甲基多苯基多异氰酸酯加入到第一混合液中,快速搅拌均匀,形成第二混合液;
将所述第二混合液转入模具中反应,静置,即得。
4.根据权利要求3所述的抗滴落聚氨酯软泡的制备方法,其特征在于,所述静置工艺参数为:室温,静置2-5h。
5.权利要求1或2所述的抗滴落聚氨酯软泡在疏水抗熔融滴落聚氨酯发泡材料产品中的应用。
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