CN106632982A - 软式排球用聚氨酯组合料及其制备方法 - Google Patents

软式排球用聚氨酯组合料及其制备方法 Download PDF

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CN106632982A
CN106632982A CN201611265170.8A CN201611265170A CN106632982A CN 106632982 A CN106632982 A CN 106632982A CN 201611265170 A CN201611265170 A CN 201611265170A CN 106632982 A CN106632982 A CN 106632982A
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李健
崔玉志
郭勇生
殷玉鹏
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Shandong Inov Polyurethane Co Ltd
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Abstract

本发明属于聚氨酯合成领域,具体涉及一种软式排球用聚氨酯组合料及其制备方法。所述组合料由A组分和B组分混合制成:A组分由以下重量百分数的原料制成:聚醚多元醇64~74%;聚合物多元醇18~28%;泡沫稳定剂0.1~1%;扩链剂0.1~1%;催化剂0.1~1%;发泡剂1.0~3.5%;开孔剂1.5~4%;B组分由以下重量百分数的原料制成:聚醚多元醇10~15%;开孔剂1~5%;MI20~25%;纯MDI30~35%;粗MDI30~35%。本发明选用非金属类催化剂、改性MDI、环保发泡剂等无毒物质,符合环保理念;制品手感好、安全无毒、力学性优良;制备方法快捷方便,无需二次处理,无余料。

Description

软式排球用聚氨酯组合料及其制备方法
技术领域
本发明属于聚氨酯合成领域,具体涉及一种软式排球用聚氨酯组合料及其制备方法。
背景技术
软式排球自八十年代诞生以来,很快成为广大体育爱好者的一项健身体育活动。其具有密度小、材料柔软、不损害身体等特点,特别适合中老年及青少年使用。
现有的软式排球多以橡胶式、实心式以及充气式为主。但是橡胶式和实心式存在弹力差、强度低等缺点,而充气式容易漏气、变形,导致手感差、弹性不足。
同时随着人们健康意识和环保意识的逐渐增强,对生活提出了更高的需求。这就要求产品具有低挥发性、低气味、环保等特性。
发明内容
针对现有技术的不足,本发明的目的是提供一种软式排球用聚氨酯组合料,选用无毒物质,符合环保理念,制品手感好、安全无毒、力学性能优良、满足软式排球的要求;本发明还提供其制备方法。
本发明所述的软式排球用聚氨酯组合料,该组合料由A组分和B组分混合制成:
A组分由以下重量百分数的原料制成:
B组分由以下重量百分数的原料制成:
其中:
所述的聚醚多元醇是以甘油为起始剂,伯羟基含量大于60%,数均分子量为4500~7000,用氧化乙烯封端的聚氧化丙烯三元醇。优选EP-3600、KE-810或CP-4701,EP-3600为山东蓝星东大化工有限责任公司市售产品,KE-810为可利亚聚醚多元醇南京有限公司市售产品,CP-4701为陶氏化学市售产品。
所述的聚合物多元醇为以乙烯基聚醚三醇为基础聚醚,用苯乙烯或丙烯腈接枝共聚,固含量≥30%的聚合物多元醇。优选POP40,山东蓝星东大化工有限责任公司市售产品。
所述的泡沫稳定剂为聚硅氧烷-氧化烯烃嵌段共聚物。优选低雾化硅油DC6070和DC2525。DC6070和DC2525均为空气化工产品有限公司市售产品。
所述的扩链剂为二乙醇胺。
所述的催化剂为EF150和EF500。
所述的发泡剂为水。
所述的MI为0129M。0129M为Bayer公司市售产品。
所述的纯MDI为44C,粗MDI为M20S。44C为Bayer公司市售产品,M20S为BASF公司市售产品。
所述的开孔剂为GK-350D,中国石化上海高桥石油化工公司市售产品。
所述的软式排球用聚氨酯组合料的制备方法,步骤如下:
A组分:先将聚醚多元醇、聚合物多元醇投入反应釜中搅拌,然后依次加入泡沫稳定剂、催化剂、扩链剂、发泡剂、开孔剂,在室温条件下,转速为50~80转/min,搅拌1~1.5h,即得A组分产品;
B组分:将聚醚多元醇和开孔剂常温下投入反应釜中,在90~100℃、真空条件下,搅拌脱水脱气2~3h,然后降温至40~45℃,加入MI和纯MDI,再升温至80~85℃反应2~3h,加入粗MDI,检测异氰酸基含量达到25.0~28.0%时,降温至40~45℃,即得B组分产品。
使用时,将A、B组分按A:B=100:40~60的质量比混合均匀,浇入模具中,熟化4~5min即可开模得到制品。
浇入模具时,A、B组分料的料温维持在25~30℃,模具温度维持在50~55℃。
与现有技术相比,本发明的有益效果如下:
(1)本发明组合料选用非金属类催化剂、改性MDI、环保发泡剂等无毒物质,符合环保理念;制品手感好、安全无毒、力学性优良,满足软式排球的要求。
(2)制备方法快捷方便,无需二次处理,无余料。
(3)本发明选用低气味原料,反应过程中不会有毒副产物的生成,不会对人体产生伤害。
(4)通过调整聚醚多元醇和聚合物多元醇的比例,或者调整A组分料和B组分料的比例,能够制得符合不同要求的制品。
具体实施方式
下面结合实施例对本发明做进一步说明,但不限定本发明。
实施例中用到的所有原料除特殊说明外,均为市购。
实施例1
A组分由以下重量百分数的原料制成:
B组分由以下重量百分数的原料制成:
制备方法如下:
A组分:先将KE-810、POP-40投入反应釜中搅拌,然后依次加入DC6070、DC2525、EF150、EF500、DEOA、H2O、GK-350D。在室温条件下,转速为50转/min,搅拌1h,即得A组分产品;
B组分:将EP-3600和GK-350D常温下投入反应釜中,在90℃、真空(≤-0.098MPa)条件下,搅拌脱水脱气2h,然后降温至40℃,加入0129M和44C,再升温至80℃反应2h,加入M20S,检测异氰酸基含量达到27.6±0.3%时,降温至40℃,即得B组分产品。
将所需模具升温至55℃,并将脱模剂涂抹均匀,备用。
使用时,将A、B组分料按A:B=100:55的重量配比混合注入模具,即可得聚氨酯软式排球。
实施例2
A组分由以下重量百分数的原料制成:
B组分由以下重量百分数的原料制成:
制备方法如下:
A组分:先将KE-810、POP-40投入反应釜中搅拌,然后依次加入DC6070、DC2525、EF150、EF500、DEOA、H2O、GK-350D。在室温条件下,转速为65转/min,搅拌1.2h,即得A组分产品;
B组分:将EP-3600和GK-350D常温下投入反应釜中,在95℃、真空(≤-0.098MPa)条件下,搅拌脱水脱气2.5h,然后降温至45℃,加入0129M和44C,再升温至82.5℃反应2.5h,加入M20S,检测异氰酸基含量达到27.6±0.3%时,降温至45℃,即得B组分产品。
将所需模具升温至58℃,并将脱模剂涂抹均匀,备用。
使用时,将A、B组分料按A:B=100:50的重量配比混合注入模具,即可得聚氨酯软式排球。
实施例3
A组分由以下重量百分数的原料制成:
B组分由以下重量百分数的原料制成:
制备方法如下:
A组分:先将KE-810、POP-40投入反应釜中搅拌,然后依次加入DC6070、DC2525、EF150、EF500、DEOA、H2O、GK-350D。在室温条件下,转速为80转/min,搅拌1.5h,即得A组分产品;
B组分:将EP-3600和GK-350D常温下投入反应釜中,在100℃、真空(≤-0.098MPa)条件下,搅拌脱水脱气3.0h,然后降温至42℃,加入0129M和44C,再升温至85℃反应3.0h,加入M20S,检测异氰酸基含量达到27.6±0.3%时,降温至42℃,即得B组分产品。
将所需模具升温至60℃,并将脱模剂涂抹均匀,备用。
使用时,将A、B组分料按A:B=100:55的重量配比混合注入模具,即可得聚氨酯软式排球。
实施例4
A组分由以下重量百分数的原料制成:
B组分由以下重量百分数的原料制成:
制备方法如下:
A组分:先将KE-810、POP-40投入反应釜中搅拌,然后依次加入DC6070、DC2525、EF150、EF500、DEOA、H2O、GK-350D。在室温条件下,转速为65转/min,搅拌1.2h,即得A组分产品;
B组分:将EP-3600和GK-350D常温下投入反应釜中,在95℃、真空(≤-0.098MPa)条件下,搅拌脱水脱气2.5h,然后降温至43℃,加入0129M和44C,再升温至80℃反应2.5h,加入M20S,检测异氰酸基含量达到25.9±0.3%时,降温至43℃,即得B组分产品。
将所需模具升温至58℃,并将脱模剂涂抹均匀,备用。
使用时,将A、B组分料按A:B=100:60的重量配比混合注入模具,即可得聚氨酯软式排球。
实施例5
A组分由以下重量百分数的原料制成:
B组分由以下重量百分数的原料制成:
制备方法如下:
A组分:先将CP-4701、POP-40投入反应釜中搅拌,然后依次加入DC6070、DC2525、EF150、EF500、DEOA、H2O、GK-350D。在室温条件下,转速为65转/min,搅拌1.2h,即得A组分产品;
B组分:将EP-3600和GK-350D常温下投入反应釜中,在95℃、真空(≤-0.098MPa)条件下,搅拌脱水脱气2.5h,然后降温至44℃,加入0129M和44C,再升温至80℃反应2.5h,加入M20S,检测异氰酸基含量达到25.9±0.3%时,降温至44℃,即得B组分产品。
将所需模具升温至58℃,并将脱模剂涂抹均匀,备用。
使用时,将A、B组分料按A:B=100:60的重量配比混合注入模具,即可得聚氨酯软式排球。
分别对实施例1-5制得的聚氨酯软式排球进行性能测试,测试结果见表1。
表1性能测试结果
项目 实施例1 实施例2 实施例3 实施例4 实施例5
芯密度(kg/m3) 77 76 75 77 76
表面硬度(邵O) 62 66 63 60 60
40%压陷硬度 421 459 432 400 411
伸长率(%) 95 92 94 93 95
VOC(μg/m3) 30 34 32 32 33
气味(80℃) 2.5级 2.5级 2.5级 2.5级 2.5级
注:VOC检测标准为NES M0402[2005-1],低气味检测标准为PV3900-2000。

Claims (10)

1.一种软式排球用聚氨酯组合料,其特征在于:该组合料由A组分和B组分混合制成:
A组分由以下重量百分数的原料制成:
B组分由以下重量百分数的原料制成:
2.根据权利要求1所述的软式排球用聚氨酯组合料,其特征在于:聚醚多元醇是以甘油为起始剂,伯羟基含量大于60%,数均分子量为4500~7000,用氧化乙烯封端的聚氧化丙烯三元醇。
3.根据权利要求1所述的软式排球用聚氨酯组合料,其特征在于:聚合物多元醇为以乙烯基聚醚三醇为基础聚醚,用苯乙烯或丙烯腈接枝共聚,固含量≥30%的聚合物多元醇。
4.根据权利要求1所述的软式排球用聚氨酯组合料,其特征在于:泡沫稳定剂为聚硅氧烷-氧化烯烃嵌段共聚物。
5.根据权利要求1所述的软式排球用聚氨酯组合料,其特征在于:扩链剂为二乙醇胺。
6.根据权利要求1所述的软式排球用聚氨酯组合料,其特征在于:催化剂为EF150和EF500的混合物。
7.根据权利要求1所述的软式排球用聚氨酯组合料,其特征在于:发泡剂为水。
8.根据权利要求1所述的软式排球用聚氨酯组合料,其特征在于:MI为0129M。
9.根据权利要求1所述的软式排球用聚氨酯组合料,其特征在于:纯MDI为44C,粗MDI为M20S。
10.一种权利要求1-9任一所述的软式排球用聚氨酯组合料的制备方法,其特征在于:步骤如下:
A组分:先将聚醚多元醇、聚合物多元醇投入反应釜中搅拌,然后依次加入泡沫稳定剂、催化剂、扩链剂、发泡剂、开孔剂,在室温条件下,转速为50~80转/min,搅拌1~1.5h,即得A组分产品;
B组分:将聚醚多元醇和开孔剂常温下投入反应釜中,在90~100℃、真空条件下,搅拌脱水脱气2~3h,然后降温至40~45℃,加入MI和纯MDI,再升温至80~85℃反应2~3h,加入粗MDI,检测异氰酸基含量达到25.0~28.0%时,降温至40~45℃,即得B组分产品。
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