CN110948968A - 一种硅胶玻纤磨砂烤垫及其制备方法 - Google Patents

一种硅胶玻纤磨砂烤垫及其制备方法 Download PDF

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CN110948968A
CN110948968A CN201911099569.7A CN201911099569A CN110948968A CN 110948968 A CN110948968 A CN 110948968A CN 201911099569 A CN201911099569 A CN 201911099569A CN 110948968 A CN110948968 A CN 110948968A
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王宁宁
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    • B32B38/00Ancillary operations in connection with laminating processes
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    • B32B2038/0064Smoothing, polishing, making a glossy surface
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Abstract

本发明涉及一种硅胶玻纤磨砂烤垫及其制备方法,所述硅胶玻纤磨砂烤垫包括磨砂层、玻纤层、硅胶层和导热层,所述磨砂层设置于该烤垫的最底层,所述硅胶层设置于所述磨砂层上端,所述导热层设置于所述烤垫的上端面,所述玻纤层分别设置于所述硅胶层的上下两端。本发明通过在烤垫的表面设置导热层,当使用烤垫时,在烤垫表面放置食物并将其放置烤箱中,由于烤垫表面的导热层能够快速受热并传到至烤垫上的食物,使食物能够受热均匀,口味更佳。

Description

一种硅胶玻纤磨砂烤垫及其制备方法
技术领域
本发明属于硅胶烤垫技术领域,具体涉及一种硅胶玻纤磨砂烤垫及其制备方法。
背景技术
硅胶垫的用途很多,是厨房烘焙中必备的工具之一。因为它防粘,又容易清洗,平常可以用来和面做饼干等,一些硅胶垫还具有耐高温的性能,能够在烤箱中使用。目前大部分的硅胶烤垫都均有耐高温的性能,但在实际使用过程中,硅胶烤垫在多次折叠或拉伸后,可能会出现断裂等问题,且在使用硅胶烤垫进行食物的烘烤时,由于硅胶烤垫的导热性较差,食物与硅胶烤垫接触的一面往往不能得到很好的烘烤,从而也会影响食物的成熟度,进而影响食物的口感等。因此,开发和设计一种能够增强硅胶烤垫韧性和导热性能的硅胶烤垫具有重要的现实意义。
发明内容
本发明的目的就在于为了解决上述问题而提供一种结构简单,设计合理的一种硅胶玻纤磨砂烤垫及其制备方法。
本发明通过以下技术方案来实现上述目的:
一种硅胶玻纤磨砂烤垫及其制备方法,包括磨砂层、玻纤层、硅胶层和导热层,所述磨砂层设置于该烤垫的最底层,所述硅胶层设置于所述磨砂层上端,所述导热层设置于所述烤垫的上端面,所述玻纤层分别设置于所述硅胶层的上下两端。
一种如上所述的硅胶玻纤磨砂烤垫的制备方法,包括以下步骤:
步骤S1:在模具的底面铺设一层玻璃纤维布,向玻璃纤维布表面浇筑液体硅胶,形成玻纤层和硅胶层;
步骤S2:在步骤S1的硅胶层表面再铺设一层玻璃纤维布,再次形成玻纤层;
步骤S3:在步骤S2的玻纤层表面浇筑导热填料,形成导热层,并获得待加工的烤垫;
步骤S4:将步骤S3获得的待加工烤垫在60-120℃下压光成型,并于100-120℃下硫化2-4h后,对玻纤层的底面进行打磨处理,最后对该烤垫进行剪裁和包边,获得该硅胶玻纤磨砂烤垫。
作为本发明的进一步优化方案,所述步骤S1中的液体硅胶包括硅油、白炭黑和偶联剂。
作为本发明的进一步优化方案,所述玻纤层的厚度为0.1-1cm,所述硅胶层的厚度为1-5cm。
作为本发明的进一步优化方案,所述步骤S3中的导热填料为液体硅胶和微米级氧化铝粉末的混合填料,所述导热层的厚度为0.5-1cm。
本发明的有益效果在于:
1)本发明通过在烤垫的上下两端设置玻纤层,能够有效增强该硅胶烤垫的韧性,增强其拉伸强度,延长使用寿命;
2)本发明通过在烤垫的表面设置导热层,当使用烤垫时,在烤垫表面放置食物并将其放置烤箱中,由于烤垫表面的导热层能够快速受热并传到至烤垫上的食物,使食物能够受热均匀,口味更佳;
3)本发明通过在烤垫的底部设置磨砂层,能够增强烤垫在使用过程中的摩擦阻力,便于放置;
4)本发明通过在导热层中加入液体硅胶,是导热层与玻纤层和硅胶层之间的结合紧密程度增强,避免导热层从硅胶烤垫的表面脱落,保持了硅胶烤垫的完整性;
5)本发明方法简单,稳定性高,设计合理,便于实现。
具体实施方式
下面对本申请作进一步详细描述,有必要在此指出的是,以下具体实施方式只用于对本申请进行进一步的说明,不能理解为对本申请保护范围的限制,该领域的技术人员可以根据上述申请内容对本申请作出一些非本质的改进和调整。
实施例1
一种硅胶玻纤磨砂烤垫,制备方法如下:
步骤S1:在模具的底面铺设一层玻璃纤维布,向玻璃纤维布表面浇筑液体硅胶,形成玻纤层和硅胶层,所述玻纤层的厚度为0.5-1cm,所述硅胶层的厚度为1-5cm;
步骤S2:在步骤S1的硅胶层表面再铺设一层玻璃纤维布,再次形成0.5-1cm的玻纤层;
步骤S3:在步骤S2的玻纤层表面浇筑导热填料,形成0.5-1cm的导热层,并获得待加工的烤垫;
步骤S4:将步骤S3获得的待加工烤垫在60-120℃下压光成型,并于100-120℃下硫化2-4h后,对玻纤层的底面进行打磨处理,最后对该烤垫进行剪裁和包边,获得该硅胶玻纤磨砂烤垫。
需要说明的是,所述步骤S1中的液体硅胶包括硅油、白炭黑和偶联剂;所述步骤S3中的导热填料为液体硅胶和微米级氧化铝粉末的混合填料。
实施例2
一种硅胶玻纤磨砂烤垫,制备方法如下:
步骤S1:在模具的底面铺设一层玻璃纤维布,向玻璃纤维布表面浇筑液体硅胶,形成玻纤层和硅胶层,所述玻纤层的厚度为0.5cm,所述硅胶层的厚度为1cm;
步骤S2:在步骤S1的硅胶层表面再铺设一层玻璃纤维布,再次形成0.5cm的玻纤层;
步骤S3:在步骤S2的玻纤层表面浇筑导热填料,形成0.5cm的导热层,并获得待加工的烤垫;
步骤S4:将步骤S3获得的待加工烤垫在60℃下压光成型,并于100℃下硫化4h后,对玻纤层的底面进行打磨处理,最后对该烤垫进行剪裁和包边,获得该硅胶玻纤磨砂烤垫。
需要说明的是,所述步骤S1中的液体硅胶包括硅油、白炭黑和偶联剂;所述步骤S3中的导热填料为液体硅胶和微米级氧化铝粉末的混合填料。
实施例3
一种硅胶玻纤磨砂烤垫,制备方法如下:
步骤S1:在模具的底面铺设一层玻璃纤维布,向玻璃纤维布表面浇筑液体硅胶,形成玻纤层和硅胶层,所述玻纤层的厚度为1cm,所述硅胶层的厚度为5cm;
步骤S2:在步骤S1的硅胶层表面再铺设一层玻璃纤维布,再次形成1cm的玻纤层;
步骤S3:在步骤S2的玻纤层表面浇筑导热填料,形成1cm的导热层,并获得待加工的烤垫;
步骤S4:将步骤S3获得的待加工烤垫在120℃下压光成型,并于120℃下硫化2h后,对玻纤层的底面进行打磨处理,最后对该烤垫进行剪裁和包边,获得该硅胶玻纤磨砂烤垫。
需要说明的是,所述步骤S1中的液体硅胶包括硅油、白炭黑和偶联剂;所述步骤S3中的导热填料为液体硅胶和微米级氧化铝粉末的混合填料。
对比例1
一种硅胶烤垫,制备方法如下:
步骤S1:在模具的底面铺设一层玻璃纤维布,向玻璃纤维布表面浇筑液体硅胶,形成玻纤层和硅胶层,所述玻纤层的厚度为1cm,所述硅胶层的厚度为5cm;
步骤S2:在步骤S1的硅胶层表面再铺设一层玻璃纤维布,再次形成1cm的玻纤层;
步骤S3:将步骤S2获得的待加工烤垫在120℃下压光成型,并于120℃下硫化2h后,对玻纤层的底面进行打磨处理,最后对该烤垫进行剪裁和包边,获得该硅胶烤垫。
需要说明的是,所述步骤S1中的液体硅胶包括硅油、白炭黑和偶联剂。
对比例2
一种硅胶玻纤磨砂烤垫,制备方法如下:
步骤S1:在模具内浇筑液体硅胶,形成硅胶层,所述硅胶层的厚度为5cm;
步骤S32:在步骤S1的硅胶层表面浇筑导热填料,形成1cm的导热层,并获得待加工的烤垫;
步骤S3:将步骤S2获得的待加工烤垫在120℃下压光成型,并于120℃下硫化2h后,对硅胶层的底面进行打磨处理,最后对该烤垫进行剪裁和包边,获得该硅胶烤垫。
需要说明的是,所述步骤S1中的液体硅胶包括硅油、白炭黑和偶联剂;所述步骤S3中的导热填料为液体硅胶和微米级氧化铝粉末的混合填料。
对比例3
一种硅胶烤垫,制备方法如下:
步骤S1:在模具的底面铺设一层玻璃纤维布,向玻璃纤维布表面浇筑液体硅胶,形成玻纤层和硅胶层,所述玻纤层的厚度为1cm,所述硅胶层的厚度为5cm;
步骤S2:在步骤S1的硅胶层表面再铺设一层玻璃纤维布,再次形成1cm的玻纤层;
步骤S3:在步骤S2的玻纤层表面浇筑导热填料,形成1cm的导热层,并获得待加工的烤垫;
步骤S4:将步骤S3获得的待加工烤垫在120℃下压光成型,并于120℃下硫化2h后,对玻纤层的底面进行打磨处理,最后对该烤垫进行剪裁和包边,获得该硅胶玻纤磨砂烤垫。
需要说明的是,所述步骤S1中的液体硅胶包括硅油、白炭黑和偶联剂;所述步骤S3中的导热填料为HY-127食品级专用胶水和微米级氧化铝粉末的混合填料。
为了检测上述实施例和对比例分别获得硅胶烤垫的韧性,对实施例2-3、对比例2的硅胶烤垫的拉伸强度进行检测,其检测结果如下表1所示:
拉伸强度(Mpa)
实施例2 12.1
实施例3 11.7
对比例2 2.4
如上表1所示:实施例2和3的硅胶烤垫中具有双层玻纤层,能够有效提高硅胶烤垫的韧性,在拉伸强度测试时,其拉伸强度均超过了11Mpa,而对比例2的硅胶烤垫并没有玻纤层,在拉伸强度检测时,其拉伸强度与实施例2和3的拉伸强度的差距较为显著,因此,其硅胶烤垫的韧性也较差。
为了检测上述实施例和对比例的硅胶片烤垫在使用过程中的导热效果,本发明通过将实施例2-3级对比例1获得的硅胶烤垫清洗干净后,在各硅胶烤垫表面放置高度均为6cm、直径均为8cm的面团,分别放置于烤箱内,设置烤箱的温度为120℃,烘烤30min后,取出各烤垫和面团,观察面团的表面、与烤垫接触面和面团内部的烘烤情况,实验结果如下表2所示:
Figure BDA0002269416820000081
上表结果表明:在硅胶烤垫的表面设置导热层,有利于硅胶垫与置于硅胶垫上的食物之间的热量传递,便于食物的加热和烘烤,避免食物受热不均而烘烤不彻底。
将实施例2-3与对比例3获得的硅胶烤垫自上而下切割后,获得硅胶烤垫切割截面,通过观察可知,实施例2和3的硅胶烤垫的导热层与玻纤层和硅胶层之间的无明显分割界面,而对比例3的硅胶烤垫的导热层与玻纤层和硅胶层之间形成了明显的分界面,这一结果表明,由液体硅胶与微米级氧化铝粉末混合形成的导热层能够通过玻璃纤维布的孔隙并与硅胶层的硅胶相互融合,形成较为紧密完整的硅胶垫,而对比例3中的硅胶烤垫的导热层是通过HY-127食品级专用胶水来使导热层粘结在玻纤层表面的,其与硅胶层之间的融合度并没有实施例2和3的效果好;此外,本发明还对实施例2-3与对比例3的导热层与玻纤层之间的撕裂强度进行检测,其结果如下表3所示:
Figure BDA0002269416820000082
Figure BDA0002269416820000091
上表结果进一步表明:由于实施例2和3中的导热层中的液体硅胶与硅胶层中的硅胶相互融合,形成紧密完整的硅胶垫,因此导热层并不能轻易的从其表面剥离;而对比例3中的硅胶烤垫的导热层中的HY-127食品级专用胶水与硅胶层之间的融合度并没有实施例2和3的效果好,因此导热层较容易从硅胶烤垫的表面剥离。
本发明通过在烤垫的上下两端设置玻纤层,能够有效增强该硅胶烤垫的韧性,增强其拉伸强度,延长使用寿命;本发明通过在烤垫的表面设置导热层,当使用烤垫时,在烤垫表面放置食物并将其放置烤箱中,由于烤垫表面的导热层能够快速受热并传到至烤垫上的食物,使食物能够受热均匀,口味更好;本发明通过在导热层中加入液体硅胶,是导热层与玻纤层和硅胶层之间的结合紧密程度增强,避免导热层从硅胶烤垫的表面脱落,保持了硅胶烤垫的完整性;本发明通过在烤垫的底部设置磨砂层,能够增强烤垫在使用过程中的摩擦阻力,便于放置。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。

Claims (5)

1.一种硅胶玻纤磨砂烤垫,其特征在于:包括磨砂层、玻纤层、硅胶层和导热层,所述磨砂层设置于该烤垫的最底层,所述硅胶层设置于所述磨砂层上端,所述导热层设置于所述烤垫的上端面,所述玻纤层分别设置于所述硅胶层的上下两端。
2.一种根据权利要求1所述的硅胶玻纤磨砂烤垫的其制备方法,其特征在于,包括以下步骤:
步骤S1:在模具的底面铺设一层玻璃纤维布,向玻璃纤维布表面浇筑液体硅胶,形成玻纤层和硅胶层;
步骤S2:在步骤S1的硅胶层表面再铺设一层玻璃纤维布,再次形成玻纤层;
步骤S3:在步骤S2的玻纤层表面浇筑导热填料,形成导热层,并获得待加工的烤垫;
步骤S4:将步骤S3获得的待加工烤垫在60-120℃下压光成型,并于100-120℃下硫化2-4h后,对玻纤层的底面进行打磨处理,最后对该烤垫进行剪裁和包边,获得该硅胶玻纤磨砂烤垫。
3.根据权利要求2所述的一种硅胶玻纤磨砂烤垫的制备方法,其特征在于:所述步骤S1中的液体硅胶包括硅油、白炭黑和偶联剂。
4.根据权利要求2所述的一种硅胶玻纤磨砂烤垫的制备方法,其特征在于:所述玻纤层的厚度为0.5-1cm,所述硅胶层的厚度为1-5cm。
5.根据权利要求2所述的一种硅胶玻纤磨砂烤垫的制备方法,其特征在于:所述步骤S3中的导热填料为液体硅胶和微米级氧化铝粉末的混合填料,所述导热层的厚度为0.5-1cm。
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