CN104403173A - 一种爬行垫用epe材料及其制备方法和爬行垫 - Google Patents
一种爬行垫用epe材料及其制备方法和爬行垫 Download PDFInfo
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Abstract
本发明公开了一种爬行垫用EPE材料及其制备方法和爬行垫,该爬行垫用EPE材料质量份计,包括低密度聚乙烯90~100份、硅烷偶联剂5~8份、丁烷发泡剂0.5~2份、滑石粉40~70份、甘油酯2~5份、氧化锌1~3份、硬脂酸0.5~2份。采用本发明的EPE材料制备的爬行垫具有良好的防水功能,而且柔韧、质轻,富有弹性,还能通过弯曲来吸收和分散外来的撞击力,达到缓冲的效果,克服了变形、回弹性差的缺点;同时还具有保温功效和易清洗。
Description
技术领域
本发明涉及爬行垫领域,尤其涉及一种爬行垫用EPE材料及其制备方法和爬行垫。
背景技术
爬行垫是一种宝宝爬行的辅助用品,材质主要有EVA材质、XPE材质、PVC材质。
EVA材质由于其本身有一股浓烈的气味,并且还有低毒,EVA吸水吸尘,用几个月后会变的很脏,不易打理。而且EVA都为丝印,宝宝直接接触油墨,而油墨是最不稳定的物质,长期使用会对人体产生伤害。媒体已多次报道有婴儿使用本产品有皮肤过敏现象,因此不建议使用;XPE材质是以低密度聚乙烯(LDPE)与乙烯—醋酸乙烯共聚物(EVA)为主要原料,具有泡孔细密均匀、强韧、隔热、隔音效果好、耐腐蚀性高、回弹性好、吸水性小、手感舒适等多种优异性能;缺点是:其材料生产进入门槛高,价格贵,工艺不成熟;PVC为学名聚氯乙烯,本身无毒,但PVC经过加工做成地垫后,无法再重复使用,也无法自己然降解,只能通过焚烧来处理,但它燃烧时会产生大量的氯化氢气体,对人体有极大的伤害,不环保,而且吸水,表面膜破坏后就基本上不能用了(吸水后,又不能直接在阳光下晒,会褪色,变硬),价格也较贵,也逐步会淘汰;传统爬行垫有毛毯,被褥,但是这些用品有许多问题:厚重,不容易携带;易脏,清洗费时费力;吸湿,容易返潮;现有的EPE材质的爬行垫存在易变性、回弹性差等不足。
发明内容
有鉴于此,本发明一方面提供一种爬行垫用EPE材料,该爬行垫用EPE材料具有良好的防水功能,表面吸水率低、而且柔韧、质轻、富有弹性,还能通过弯曲来吸收和分散外来的撞击力,达到缓冲的效果,克服了变形、回弹性差的缺点;同时还具有保温功效、易清洗。
为达此目的,本发明采用以下技术方案:
一种爬行垫用EPE材料,按质量份计,包括以下组分:
优选的,该爬行垫用EPE材料,按质量份计,包括以下组分:
本发明另一方面提供一种制备上述的爬行垫用EPE材料的方法,其包括以下步骤:
(1)按质量份计,将滑石粉40~70份和氧化锌1~3份投入到混料机搅拌;
(2)加入硅烷偶联剂5~8份和低密度聚乙烯90~100份继续搅拌;
(3)加入甘油酯2~5份和硬脂酸0.5~2份持续搅拌,并投入到挤出机中加入丁烷发泡剂0.5~2份进行混炼、发泡,制得爬行垫EPE材料。
优选的,步骤(1)具体程为:按质量份计,将滑石粉40~70份和氧化锌1~3份投入到混料机中,在85~90℃下搅拌6~8min。
优选的,步骤(2)具体过程为:加入硅烷偶联剂5~8份和低密度聚乙烯90~100份升温至110~115℃继续搅拌6~7min。
优选的,步骤(3)具体过程为:加入甘油酯2~5份和硬脂酸0.5~2份持续搅拌2~3min,并投入到挤出机中加入丁烷发泡剂0.5~2份进行混炼、发泡、挤塑成型、冷却、牵引、展平发泡片材、制得爬行垫EPE材料。
EPE(Expandable Polyethylene),是可发性聚乙烯。是非交联闭孔结构,它是以低密度聚乙烯(LDPE)为主要原料挤压生成的高泡沫聚乙烯制品。
本发明的爬行垫用EPE材料制备方法中,先将滑石粉和氧化锌混合加热、再投入硅烷偶联剂混合加热、最后加入甘油酯和硬脂酸进行混炼和发泡,使得制得的产品泡孔细密均匀,具有良好的柔韧、隔热隔音效果、回弹性能。
本发明最后提供一种爬行垫,该爬行垫具有良好的防水功能、表面吸水率低,而且柔韧、质轻、富有弹性,还能通过弯曲来吸收和分散外来的撞击力,达到缓冲的效果,克服了变形、回弹性差的缺点;同时还具有保温功效和易清洗。
一种爬行垫包括采用上述爬行垫用EPE材料制成的EPE层,EPE层的一侧由内至外依次设有图案层和压纹OPP膜,EPE层另一侧设有PET镀铝膜。
OPP膜是以OPP(双向拉伸聚丙烯)为基材,单面涂布亚克力胶水并贴合 离型膜而成(单层的不贴合离型膜)的塑料薄膜,OPP膜无色、无嗅、无味、无毒,并具有高拉伸强度、冲击强度、刚性、强韧性和良好的透明性。压纹OPP膜位于图案层上方,使得图案层不掉色、也不直接接触到人体,保温、环保无公害、易清洗。
PET镀铝膜是通过真空镀铝工艺将一层薄薄的铝原子堆积到优质PET薄膜上而形成的阻隔性薄膜,具有亮丽的金属光泽度,优异的气体和光线阻隔性以及良好的防潮、耐热、耐穿刺性能。
优选的,EPE层和图案层之间设有竹纤维层。
竹纤维就是从自然生长的竹子中提取出的一种纤维素纤维,是继棉、麻、毛、丝之后的第五大天然纤维。竹纤维具有良好的透气性、瞬间吸水性、较强的耐磨性和良好的染色性等特性,同时又具有天然抗菌、抑菌、除螨、防臭和抗紫外线功能。
优选的,EPE层厚度为5~20mm,压纹OPP膜厚度为0.02~0.08mm,PET镀铝膜厚度为0.03~0.1mm。
优选的,竹纤维层厚度为1~10mm。
本发明的爬行垫减震、防潮、保温、减震性能优异,柔软弹性能充分吸收震动冲击;防潮性能优异,为多雨潮湿的春夏创造干净舒适的生活环境;保温性能优异,为寒冷的冬天创造温暖的生空间。采取整体压膜成型,寿命和安全性要比一般材料提高数倍,且无毒无害。
本发明的有益效果:一种爬行垫用EPE材料,按质量份计,包括低密度聚乙烯90~100份、硅烷偶联剂5~8份、丁烷发泡剂0.5~2份、滑石粉40~70份、甘油酯2~5份、氧化锌1~3份、硬脂酸0.5~2份。由本发明的爬行垫用EPE材料制备的爬行垫具有良好的防水功能、表面吸水率低,而且柔韧、质轻,富有 弹性,还能通过弯曲来吸收和分散外来的撞击力,达到缓冲的效果,克服了变形、回弹性差的缺点;同时还具有保温功效和易清洗。
附图说明
图1为本发明的爬行垫结构示意图;
附图标示如下:1-EPE层、2-竹纤维层、3-图案层、4-压纹OPP膜、5-PET镀铝膜。
具体实施方式
下面通过具体实施方式来进一步说明本发明的技术方案。
实施例1:本实施例的爬行垫用EPE材料,按质量份计,包括以下组分:
制备上述的爬行垫用EPE材料的方法,其包括以下步骤:
按质量份计,将滑石粉40份和氧化锌1份投入到混料机中,在85℃下搅拌6min;加入硅烷偶联剂5份和低密度聚乙烯90份升温至110℃继续搅拌6min;加入甘油酯2份和硬脂酸0.5份持续搅拌2min,并投入到挤出机中加入丁烷发泡剂0.5份进行混炼、发泡、挤塑成型、冷却、牵引、展平发泡片材、制得爬行垫EPE材料。
本实施例的爬行垫包括采用上述爬行垫用EPE材料制成的EPE层1,EPE 层1的一侧由内至外依次设有竹纤维层2、图案层3和压纹OPP膜4,EPE层1另一侧设有PET镀铝膜5。
其中,EPE层1厚度为5mm,压纹OPP膜4厚度为0.02mm,PET镀铝膜5厚度为0.03mm,竹纤维层2厚度为1mm。
实施例2:本实施例的爬行垫用EPE材料,按质量份计,包括以下组分:
制备上述的爬行垫用EPE材料的方法,其包括以下步骤:
按质量份计,将滑石粉60份和氧化锌2份投入到混料机中,在90℃下搅拌7min;加入硅烷偶联剂6份和低密度聚乙烯95份升温至110℃继续搅拌7min;加入甘油酯4份和硬脂酸1份持续搅拌2.5min,并投入到挤出机中加入丁烷发泡剂1份进行混炼、发泡、挤塑成型、冷却、牵引、展平发泡片材、制得爬行垫EPE材料。
本实施例的爬行垫包括采用上述爬行垫用EPE材料制成的EPE层1,EPE层1的一侧由内至外依次设有竹纤维层2、图案层3和压纹OPP膜4,EPE层1另一侧设有PET镀铝膜5。
其中,EPE层1厚度为10mm,压纹OPP膜4厚度为0.04mm,PET镀铝膜5厚度为0.05mm,竹纤维层2厚度为5mm。
实施例3:本实施例的爬行垫用EPE材料,按质量份计,包括以下组分:
制备上述的爬行垫用EPE材料的方法,其包括以下步骤:
按质量份计,将滑石粉70份和氧化锌3份投入到混料机中,在90℃下搅拌8min;再加入硅烷偶联剂8份和低密度聚乙烯100份升温至115℃继续搅拌7min;最后加入甘油酯5份和硬脂酸2份持续搅拌3min,并投入到挤出机中加入丁烷发泡剂2份进行混炼、发泡、挤塑成型、冷却、牵引、展平发泡片材、制得爬行垫EPE材料。
本实施例的爬行垫包括采用上述爬行垫用EPE材料制成的EPE层1,EPE层1的一侧由内至外依次设有竹纤维层2、图案层3和压纹OPP膜4,EPE层1另一侧设有PET镀铝膜5。
其中,EPE层1厚度为20mm,压纹OPP膜4厚度为0.08mm,PET镀铝膜5厚度为0.1mm,竹纤维层2厚度为10mm。
将实施例1~3得到的爬行垫和目前市场上的哈喜屋EPE爬行垫进行测试,结果如下表:
通过上表可以看出,本发明的爬行垫质轻、防水性能好、低吸水率、复原率和回弹性好。
本发明的爬行垫具有良好的防水功能、表面吸水率低,而且柔韧、质轻,富有弹性,还能通过弯曲来吸收和分散外来的撞击力,达到缓冲的效果,克服了变形、回弹性差的缺点;同时还具有保温功效和易清洗。
申请人声明,以上内容仅为本发明的较佳实施例,对于本领域的普通技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,本说明书内容不应理解为对本发明的限制。
Claims (10)
1.一种爬行垫用EPE材料,其特征在于,按质量份计,包括以下组分:
2.根据权利要求1所述的爬行垫用EPE材料,其特征在于,按质量份计,包括以下组分:
3.一种制备权利要求1所述的爬行垫用EPE材料的方法,其特征在于,包括以下步骤:
(1)按质量份计,将滑石粉40~70份和氧化锌1~3份投入到混料机搅拌;
(2)加入硅烷偶联剂5~8份和低密度聚乙烯90~100份继续搅拌;
(3)加入甘油酯2~5份和硬脂酸0.5~2份持续搅拌,并投入到挤出机中加入丁烷发泡剂0.5~2份进行混炼、发泡,制得爬行垫EPE材料。
4.根据权利要求3所述的制备方法,其特征在于,步骤(1)具体程为:按质量份计,将滑石粉40~70份和氧化锌1~3份投入到混料机中,在85~90℃下搅拌6~8min。
5.根据权利要求3所述的制备方法,其特征在于,步骤(2)具体过程为:加入硅烷偶联剂5~8份和低密度聚乙烯90~100份升温至110~115℃继续搅拌6~7min。
6.根据权利要求3所述的制备方法,其特征在于,步骤(3)具体过程为:加入甘油酯2~5份和硬脂酸0.5~2份持续搅拌2~3min,并投入到挤出机中加入丁烷发泡剂0.5~2份进行混炼、发泡、挤塑成型、冷却、牵引、展平发泡片材、制得爬行垫EPE材料。
7.一种爬行垫,其特征在于,包括采用权利要求1所述的爬行垫用EPE材料制成的EPE层(1),所述EPE层(1)的一侧由内至外依次设有图案层(3)和压纹OPP膜(4),所述EPE层(1)另一侧设有PET镀铝膜(5)。
8.根据权利要求7所述的爬行垫,其特征在于,所述EPE层(1)和图案层(3)之间设有竹纤维层(2)。
9.根据权利要求7所述的爬行垫,其特征在于,所述EPE层(1)厚度为5~20mm,所述压纹OPP膜(4)厚度为0.02~0.08mm,所述PET镀铝膜(5)厚度为0.03~0.1mm。
10.根据权利要求8所述的爬行垫,其特征在于,所述竹纤维层(2)厚度为1~10mm。
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