CN104691063B - 一种抗静电地垫 - Google Patents

一种抗静电地垫 Download PDF

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CN104691063B
CN104691063B CN201510128344.5A CN201510128344A CN104691063B CN 104691063 B CN104691063 B CN 104691063B CN 201510128344 A CN201510128344 A CN 201510128344A CN 104691063 B CN104691063 B CN 104691063B
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CN104691063A (zh
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陈卓杰
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Mills Beijing Cultural Development Co ltd
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Ningbo Jiangdongfeichuang Electronis Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G27/00—Floor fabrics; Fastenings therefor
    • A47G27/02—Carpets; Stair runners; Bedside rugs; Foot mats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/02—Layered products comprising a layer of natural or synthetic rubber with fibres or particles being present as additives in the layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/105—Metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/21—Anti-static
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/546—Flexural strength; Flexion stiffness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings
    • B32B2471/04—Mats

Abstract

本发明提供了一种用于机房的抗静电地垫，包括底层和表层，其特征在于，所述底层采用导电橡胶层，表层为具有抗静电性能的树脂层，所述底层和表层通过热复合的方式粘接形成抗静电地垫，所述表层的表面电阻要小于所述底层的表面电阻。表层和底层结合的方式使得本发明所述地垫具有良好的防静电性能，同时由于底层橡胶，使得本发明所述的地垫不容易发生翘曲，方便安装。

Description

一种抗静电地垫
技术领域
本发明涉及一种地垫，尤其涉及一种抗静电地垫。
背景技术
在机房由于存在多种电子元器件，需要对整个机房进行防静电处理，特别是地垫上要防定点处理，目前常规的处理方法是在地垫上铺设防静电的PVC垫，但是这种PVC垫是通过在其中添加炭黑等抗静电剂的方式来实现抗静电，为了具有更佳的抗静电效果，就需要加入更多的抗静电剂，但是静电剂例如炭黑加入过多后会影响到PVC的强度，会造成PVC垫的翘曲，影响了PVC垫作为地垫的使用。因此可以说传统的PVC垫的抗静电性能一般，达到一定值后就难以再提高。
发明内容
为了解决背景技术中存在的以上问题，本发明提供了一种防静电效果佳的地垫。
为达到上述目的，本发明采用如下技术方案：
一种抗静电地垫，包括底层和表层，其特征在于，所述底层采用导电橡胶层，表层为具有抗静电性能的树脂层，所述底层和表层通过热复合的方式粘接形成抗静电地垫，所述表层的表面电阻要小于所述底层的表面电阻。
所述底层由异戊二烯橡胶中加入占异戊二烯橡胶重量1.2％的金属粉得到。
所述表层包括位于中间的芯层和位于芯层两侧的覆盖层，所述芯层的表面电阻大于覆盖层的表面电阻。
所述芯层由77.3％重量比的聚对苯二甲酸乙二醇酯和22.7％重量比的聚苯胺 在235℃下聚合而成；所述覆盖层由热塑性聚氨酯和抗静电剂组成，所述热塑性聚氨酯由60.5％重量比的聚乙二醇、32.8％重量比的4-亚甲基双(苯基异氰酸酯)和6.7％重量比的1,6-乙二醇在220℃下聚合反应得到，所述抗静电剂为溴化锂。
本发明的特点或有益效果是：
表层和底层结合的方式使得本发明所述地垫具有良好的防静电性能，同时由于底层橡胶，使得本发明所述的地垫不容易发生翘曲，方便安装。
具体实施方式
下面结合附图说明和具体实施方式对本发明作进一步描述：
实施例1
一种抗静电地垫，包括底层和表层，所述底层采用具有导电性能且有一定弹性的导电橡胶层，底层和表层通过热复合的方式粘接在一起形成抗静电地垫。
所述底层3由在异戊二烯橡胶中加入占异戊二烯橡胶重量1.2％的金属粉得到。
所述表层包括位于中间的芯层和位于芯层两侧的覆盖层，所述芯层由77.3％重量比的聚对苯二甲酸乙二醇酯和22.7％重量比的聚苯胺在235℃下聚合而成，所述覆盖层由热塑性聚氨酯和抗静电剂组成，所述热塑性聚氨酯由60.5％重量比的聚乙二醇、32.8％重量比的4-亚甲基双(苯基异氰酸酯)和6.7％重量比的1,6-乙二醇在220℃下聚合反应得到，所述抗静电剂为溴化锂。具体的方法为：将聚乙二醇、4-亚甲基双(苯基异氰酸酯)和1,6-乙二醇混合，然后再加入占聚乙二醇、4-亚甲基双(苯基异氰酸酯)和1,6-乙二醇重量之和1.8％的溴化锂，上述物质加入到挤出机在220℃的高温下聚合，然后使用造粒机将挤出机中聚合的树脂造粒，然后用注射模塑机将粒料注塑成片层状。芯层的制作也采用同样的方法。
按照上述方法制作的芯层和覆盖层，覆盖层的表面电阻要大于芯层的表面电阻，这样组成的表层相对单独的芯层或单独的覆盖层具有更好的导电性，即具有更好的防静电效果。
分别对底层、芯层、覆盖层、表面层进行导电性能测试，具有如下结果：
表面电阻(Ω)
底层 3.6×1010
芯层 5.3×107
覆盖层 3.1×107
表面层 2.8×107
整个地垫 2.6×107
可以看出使用本发明所述的地垫结构后，整个地垫的抗静电效果要好过单独的底层或芯层的抗静电性能。可见本发明所述的地垫具有优良的静电耗散性能。
本领域技术人员将会认识到，在不偏离本发明的保护范围的前提下，可以对上述实施方式进行各种修改、变化和组合，并且认为这种修改、变化和组合是在独创性思想的范围之内的。

Claims (2)

1.一种抗静电地垫，包括底层和表层，其特征在于，所述底层采用导电橡胶层，表层为具有抗静电性能的树脂层，所述底层和表层通过热复合的方式粘接形成抗静电地垫，所述表层的表面电阻要小于所述底层的表面电阻；
所述表层包括位于中间的芯层和位于芯层两侧的覆盖层，所述芯层的表面电阻大于覆盖层的表面电阻；
所述芯层由77.3％重量比的聚对苯二甲酸乙二醇酯和22.7％重量比的聚苯胺在235℃下聚合而成；所述覆盖层由热塑性聚氨酯和抗静电剂组成，所述热塑性聚氨酯由60.5％重量比的聚乙二醇、32.8％重量比的4-亚甲基双(苯基异氰酸酯)和6.7％重量比的1,6-乙二醇在220℃下聚合反应得到，所述抗静电剂为溴化锂。
2.如权利要求1所述的一种抗静电地垫，其特征在于，所述底层由异戊二烯橡胶中加入占异戊二烯橡胶重量1.2％的金属粉得到。
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CN201108295Y (zh) * 2007-10-12 2008-09-03 魏英洲 具抗静电与杀菌层的地垫
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