CN113709923A - 一种抑制位移电流的安全电热膜及其制备方法 - Google Patents
一种抑制位移电流的安全电热膜及其制备方法 Download PDFInfo
- Publication number
- CN113709923A CN113709923A CN202111063156.0A CN202111063156A CN113709923A CN 113709923 A CN113709923 A CN 113709923A CN 202111063156 A CN202111063156 A CN 202111063156A CN 113709923 A CN113709923 A CN 113709923A
- Authority
- CN
- China
- Prior art keywords
- film
- layer
- displacement current
- electrothermal film
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 25
- 230000002401 inhibitory effect Effects 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 84
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 34
- 239000002002 slurry Substances 0.000 claims abstract description 31
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012790 adhesive layer Substances 0.000 claims abstract description 12
- 229910052709 silver Inorganic materials 0.000 claims abstract description 12
- 239000004332 silver Substances 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 30
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000008030 elimination Effects 0.000 claims description 9
- 238000003379 elimination reaction Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 238000003490 calendering Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 6
- 238000013329 compounding Methods 0.000 claims description 6
- 238000003851 corona treatment Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 229920001684 low density polyethylene Polymers 0.000 claims description 6
- 239000004702 low-density polyethylene Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 abstract description 9
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000001579 optical reflectometry Methods 0.000 abstract description 2
- 230000000191 radiation effect Effects 0.000 abstract description 2
- 229920002799 BoPET Polymers 0.000 description 19
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 238000005269 aluminizing Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/18—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor the conductor being embedded in an insulating material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber 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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
-
- 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
- B32B2307/202—Conductive
-
- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/302—Conductive
-
- 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
- B32B2307/558—Impact strength, toughness
-
- 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
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
本发明涉及电热膜技术领域,尤其是一种抑制位移电流的安全电热膜及其制备方法,包括从上至下依次设置的阴阳镀铝绝缘层、粘接层、金属载流条、银浆导电银胶、石墨烯导电浆料以及BOPET基底绝缘层,所述阴阳镀铝绝缘层与BOPET基底绝缘层的相背离侧均设置有PVC防护层;本发明设置的阴阳镀铝绝缘层具有优良的导电性、耐折性和柔韧性,能够有效抑制电热膜位移电流的产生和消除静电效应,其光反射率可达92%,能有效阻隔红外热能向下辐射,增强电热膜的热辐射效果,且通过粘接层粘接后,固定性更好,本发明设计合理,且制造简单,具有一定的商业推广价值。
Description
技术领域
本发明涉及电热膜技术领域,尤其涉及一种抑制位移电流的安全电热膜及其制备方法。
背景技术
电热膜分为高温、低温电热膜。高温电热膜一般用于电子电器、军事等,如今科技生产的电热膜。电热膜供暖系统是区别于以散热器、空调、暖气片为代表的点式供暖系统、以发热电缆为代表的线式供暖系统,在面式供暖领域采用现代宇航技术研发的低碳供暖高科技产品。
现有的电热膜的结构大多是在导电浆料层的两侧粘接绝缘层,通过PET绝缘封装的结构,实际形成了平板电容。该方式制得的电热膜一般干式工法铺设,表面看不出泄露电流对安全的影响,而电热膜在潮湿环境下的会产生较大的位移电流,即电热膜的泄露电流,当电热膜铺装超过一定面积时,致使漏电保护器频繁跳闸,从而导致电热膜供暖系统无法使用,也存在一定的安全隐患。
发明内容
本发明的目的是为了解决现有技术中存在电热膜位移电流无法解决等缺点,而提出的一种抑制位移电流的安全电热膜及其制备方法。
为了实现上述目的,本发明采用了如下技术方案:
设计一种抑制位移电流的安全电热膜,包括从下之下依次设置的阴阳镀铝绝缘层、粘接层、载流条、银浆导电银胶、石墨烯导电浆料以及基底层,所述阴阳镀铝绝缘层与基底层的相背离侧均为防护层;
优选的,所述BOPET基底绝缘层为厚度为750-125μmBOPET预浸膜。
优选的,所述阴阳镀铝绝缘层包括基底以及镀铝层,基底为BOPET,基底厚度为75-125μm,镀铝层厚度为5-25μm。
优选的。所述的粘接层为LDPE与EVA混合改性粘接层。
优选的,所述阴阳镀铝绝缘层与粘接层复合时,镀铝层与粘接层复合。
上述的一种抑制位移电流的安全电热膜及其制备方法,包括如下步骤:
S1、选择石墨烯浆料,选择适合生产要求的石墨烯浆料,置于恒温恒湿的环境中,并实时记录石墨烯浆料的存储数据,留取备用;
S2、取出S1中的石墨烯浆料,检测其质量合格后、对其进行研磨、搅拌、消泡以及过滤处理,过滤处理后对其进行配比,配比完成再次搅拌形成石墨烯导电浆料混合液;
S3、选取BOPET预浸膜作为基底层,对其进行静电消除以及电晕处理,将S2中的混合液置于自动高精度狭缝挤压式涂布模具内,然后将处理后的BOPET预浸膜置于自动高精度涂布机上进行涂布,设定好涂布机的涂布厚度,带涂布完成后移送至烘干机中进行烘干,形成一个两层结构的膜状基材;
S4、取用S3中的两层膜状基材,在其表面需要贴附载流条的位置涂刷银浆导电胶,涂刷完成后烘干作业并进行压合贴附载流条,从而形成四层结构的膜状基材;
S5、通过混合机将LDPE粒子与EVA粒子按比例进行混合,将混合料电热除湿后通过250-310℃高温融化并挤压成厚度为90-140μm的改性的透明薄膜,从而形成第五层粘接层;
S6、再次选取阴阳镀铝膜作为绝缘层,对其进行静电消除以及电晕处理,处理完成后,与S5中制得的第五层粘接层以及S4中的四层结构的膜状基材通过三辊复合机构进行挤压复合,从而形成六层结构的膜状基材,利用切割机将其边角进行切割修剪,且进行喷码,并根据实际需求尺寸对其分切从而制得可以抑制位移电流的安全电热膜片材。
S7、对S6中制得的电热膜片材进行检测,检测其功率、厚度、发热均匀度是否符合要求,检测完成后,在两侧载流条位置安装阻燃防水连接线(电源线)并用阻燃布基胶带和胶泥做封边绝缘处理。
S8、选取PVC压延膜作为防护层,将两组PVC压延膜以及S7中六层结构的膜状基材通过高周波同步压合封套,将S7置于PVC防护封袋内,从而形成8层结构的膜状电热膜成品;
优选的,所述S3中制得的两层结构的膜状基材需再次进行消除静电处理,处理完成后,检测石墨烯厚度以及阻值是否达到标准。
优选的,所述S6步骤中,在对阴阳镀铝膜进行加工前,需进行预加热处理,预加热温度为55-95℃。
本发明提出的一种抑制位移电流的安全电热膜及其制备方法,有益效果在于:本发明设置的阴阳镀铝绝缘层具有优良的导电性、耐折性和柔韧性,且通过粘接层粘接后,稳定性更好,能够有效抑制电热膜位移电流的产生和消除静电效应,其光反射率可达92%,还能有效阻隔红外热能向下辐射,增强电热膜的热辐射效果,本发明设计合理,且制造简单,具有一定的商业推广价值。
附图说明
图1为本发明提出的一种抑制位移电流的安全电热膜的结构示意图。
图中:BOPET基底绝缘层1、石墨烯导电浆料2、银浆导电银胶3、金属载流条4、粘接层5、阴阳镀铝绝缘层6、防护层7。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。
实施例一
参照图1,一种抑制位移电流的安全电热膜,包括从上之下依次这设置的阴阳镀铝绝缘层6、粘接层5、金属载流条4、银浆导电银胶3、石墨烯导电浆料2以及BOPET基底绝缘层1,BOPET基底绝缘层1与阴阳镀铝绝缘层6的相背离侧均依次设置有防护层7。
上述的一种抑制位移电流的安全电热膜的制备方法包括如下步骤:
S1、选择石墨烯浆料,选择适合生产要求的石墨烯浆料,置于恒温恒湿的环境中,并实时记录石墨烯浆料的存储数据,留取备用;
S2、取出S1中的石墨烯浆料,检测其质量合格后、对其进行研磨、搅拌、消泡以及过滤处理,过滤处理后对其进行配比,配比完成再次搅拌形成石墨烯导电浆料2混合液;
S3、选取BOPET预浸膜作为基底层1,BOPET预浸膜的厚度为100μm,对其进行静电消除以及电晕处理,将S2中的混合液置于自动高精度狭缝挤压式涂布模具内,然后将处理后的BOPET预浸膜置于自动高精度涂布机上进行涂布,设定好涂布机的涂布厚度,带涂布完成后移送至烘干机中进行烘干,形成一个两层结构的膜状基材;
S4、取用S3中的两层膜状基材,在其表面需要贴附载流条4的位置涂刷银浆导电胶,载流条4为T2紫铜带,银浆导电银胶3按百分比计,包括如下组分:二次固化胶60%、银粉25%、镍粉5%以及稀释剂5%,其中,稀释剂为醋酸乙酯,涂刷完成后烘干作业并进行压合贴附载流条4,从而形成四层结构的膜状基材;
S5、通过混合机将LDPE粒子与EVA粒子按比例进行混合,将混合料电热除湿后通过280℃高温融化并挤压成厚度为100μm的改性的透明薄膜,从而形成第五层粘接层5,粘接层5为LDPE与EVA混合改性粘接层,并检测改性薄膜厚度、挤出速度、粘合力是否达到标准;
S6、选取阴阳镀铝膜作为绝缘层6,阴阳镀铝膜基底BOPET厚度为85um,镀铝厚度为15um,阴阳镀铝膜整体厚度为100um,对其进行静电消除以及电晕处理,处理完成后,与S5中制得的第五层粘接层5以及S4中的四层结构的膜状基材通过三辊复合机构进行挤压复合,从而形成六层结构的膜状基材,利用切割机将其边角进行切割修剪,且进行喷码,并根据实际需求尺寸对其分切从而制得可以抑制位移电流的安全电热膜片材;
S7、对S6中制得的电热膜片材进行检测,检测其功率、厚度、发热均匀度是否符合要求,检测完成后,在两侧载流条位置安装阻燃防水连接线(电源线)并用阻燃布基胶带和胶泥做封边绝缘处理;
S8、选取PVC压延膜作为防护层7,PVC压延膜的厚度为400μm,将两组PVC压延膜以及S7中六层结构的膜状基材通过高周波同步压合封套,将S7置于PVC防护封袋内,从而形成8层结构的膜状电热膜成品;
S6步骤中,在对阴阳镀铝膜进行加工前,需进行预加热处理,预加热温度为75℃。
实施例二
本实施例与实施例一的区别在于:S5步骤中融化温度为290℃,挤压成型的透明薄膜的厚度为90μm;S6阴阳镀铝膜基底BOPET厚度为80um,镀铝厚度为10um,阴阳镀铝膜整体厚度为90um;进一步的,S6步骤中,在对阴阳镀铝膜进行加工前,需进行预加热处理,预加热温度为85℃。
实施例三
本实施例与实施例一以及实施例二的区别在于:S3选取BOPET预浸膜的厚度为120μm,S5步骤中融化温度为300℃,挤压成型的透明薄膜的厚度为120μm;S6阴阳镀铝膜基底BOPET厚度为100um,镀铝厚度为20um,阴阳镀铝膜整体厚度为120um;进一步的,S6步骤中,在对阴阳镀铝膜进行加工前,需进行预加热处理,预加热温度为95℃。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (8)
1.一种抑制位移电流的安全电热膜,其特征在于,包括从下之下依次设置的阴阳镀铝绝缘层、粘接层、载流条、银浆导电银胶、石墨烯导电浆料以及基底层,所述阴阳镀铝绝缘层与基底层的相背离侧均为防护层。
2.根据权利要求1所述的一种抑制位移电流的安全电热膜,其特征在于:所述的基底层为BOPET预浸膜。
3.根据权利要求1所述的一种抑制位移电流的安全电热膜,其特征在于:所述阴阳镀铝绝缘层包括基底以及镀铝层,基底为BOPET,基底厚度为75-125μm,镀铝层厚度为5-25μm。
4.根据权利要求1所述的一种抑制位移电流的安全电热膜,其特征在于:所述的粘接层为LDPE与EVA混合改性粘接层。
5.根据权利要求4所述的一种抑制位移电流的安全电热膜,其特征在于:所述阴阳镀铝绝缘层与粘接层复合时,镀铝层与粘接层复合。
6.一种如权利要求1-5中任意一项所述的一种抑制位移电流的安全电热膜及其制备方法,其特征在于,包括如下步骤:
S1、选择石墨烯浆料,选择适合生产要求的石墨烯浆料,置于恒温恒湿的环境中,并实时记录石墨烯浆料的存储数据,留取备用;
S2、取出S1中的石墨烯浆料,检测其质量合格后、对其进行研磨、搅拌、消泡以及过滤处理,过滤处理后对其进行配比,配比完成再次搅拌形成石墨烯导电浆料混合液;
S3、选取BOPET预浸膜作为基底层,对其进行静电消除以及电晕处理,将S2中的混合液置于自动高精度狭缝挤压式涂布模具内,然后将处理后的BOPET预浸膜置于自动高精度涂布机上进行涂布,设定好涂布机的涂布厚度,带涂布完成后移送至烘干机中进行烘干,形成一个两层结构的膜状基材;
S4、取用S3中的两层膜状基材,在其表面需要贴附载流条的位置涂刷银浆导电胶,涂刷完成后烘干作业并进行压合贴附载流条,从而形成四层结构的膜状基材;
S5、通过混合机将LDPE粒子与EVA粒子按比例进行混合,将混合料电热除湿后通过250-310℃高温融化并挤压成厚度为90-140μm的改性的透明薄膜,从而形成第五层粘接层;
S6、再次选取阴阳镀铝膜作为绝缘层,对其进行静电消除以及电晕处理,处理完成后,与S5中制得的第五层粘接层以及S4中的四层结构的膜状基材通过三辊复合机构进行挤压复合,从而形成六层结构的膜状基材,利用切割机将其边角进行切割修剪,且进行喷码,并根据实际需求尺寸对其分切从而制得可以抑制位移电流的安全电热膜片材。
S7、对S6中制得的电热膜片材进行检测,检测其功率、厚度、发热均匀度是否符合要求,检测完成后,在两侧载流条位置安装阻燃防水连接线(电源线)并用阻燃布基胶带和胶泥做封边绝缘处理。
S8、选取PVC压延膜作为防护层,将两组PVC压延膜以及S7中六层结构的膜状基材通过高周波同步压合封套,将S7置于PVC防护封袋内,从而形成8层结构的膜状电热膜成品。
7.根据权利要求7所述的一种抑制位移电流的安全电热膜的制备方法,其特征在于:所述S3中制得的两层结构的膜状基材需再次进行消除静电处理,处理完成后,检测石墨烯厚度以及阻值是否达到标准。
8.根据权利要求6所述的一种抑制位移电流的安全电热膜的制备方法,其特征在于:所述S6步骤中,在对阴阳镀铝膜进行加工前,需进行预加热处理,预加热温度为55-95℃。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111063156.0A CN113709923A (zh) | 2021-09-10 | 2021-09-10 | 一种抑制位移电流的安全电热膜及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111063156.0A CN113709923A (zh) | 2021-09-10 | 2021-09-10 | 一种抑制位移电流的安全电热膜及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113709923A true CN113709923A (zh) | 2021-11-26 |
Family
ID=78659863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111063156.0A Pending CN113709923A (zh) | 2021-09-10 | 2021-09-10 | 一种抑制位移电流的安全电热膜及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113709923A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115460725A (zh) * | 2022-09-22 | 2022-12-09 | 惠州艺都文化用品有限公司 | 一种复合膜及含有该复合膜的电致发热膜及其制备方法 |
-
2021
- 2021-09-10 CN CN202111063156.0A patent/CN113709923A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115460725A (zh) * | 2022-09-22 | 2022-12-09 | 惠州艺都文化用品有限公司 | 一种复合膜及含有该复合膜的电致发热膜及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105265029B (zh) | 柔性印刷电路板及其制造方法 | |
KR20140138136A (ko) | 도전성 미립자 및 그 제조 방법, 도전성 수지 조성물, 도전성 시트 및 전자파 차폐 시트 | |
CN102341236A (zh) | 电子部件用带有金属层的膜、其制造方法及用途 | |
CN113709923A (zh) | 一种抑制位移电流的安全电热膜及其制备方法 | |
CN102925858A (zh) | 具有保护层结构的碳层材料 | |
CN105960709B (zh) | 导热片和半导体装置 | |
CN108790346B (zh) | 一种柔性电路板快压用离型纸及其制造工艺 | |
CN205439397U (zh) | 一种超薄散热、电磁屏蔽及吸波复合材料 | |
CN102321867B (zh) | 具有保护层结构的碳层材料的制备方法 | |
JP5205748B2 (ja) | フレキシブルフラットケーブル | |
CN111114062A (zh) | 一种适用于高温加热的复合电热膜及制备方法 | |
CN103000369B (zh) | 高耐电压片式陶瓷电容器的制备方法 | |
CN112930378B (zh) | 电磁波屏蔽膜、电磁波屏蔽膜的制造方法及屏蔽印制线路板的制造方法 | |
JP2006299177A (ja) | 異方導電性接着シート及び微細接続構造体 | |
CN202744620U (zh) | 具有保护层结构的碳层结构 | |
JP2018060883A (ja) | カバーレイフィルム | |
TW201811958A (zh) | 導電膠帶及其製備方法 | |
CN215096163U (zh) | 一种金属镀层聚酰亚胺复合薄膜 | |
CN112888097B (zh) | 一种发热膜及其制备方法 | |
JPH11315257A (ja) | 積層フィルム | |
CN208352376U (zh) | 用于封装锂离子电池的多层片材 | |
CN104427742B (zh) | 覆盖膜及电路板 | |
CN112175538A (zh) | 一种薄膜及其制备方法 | |
CN108021970B (zh) | 一种透明隐形rfid标签材料及制备方法 | |
CN111849376A (zh) | 一种散热型泡棉胶带及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230410 Address after: 052160 700m eastbound at the intersection of Zhenxing North Street and Shifu East Road, Gaocheng Economic Development Zone, Shijiazhuang City, Hebei Province Applicant after: Hebei Bofeng New Energy Technology Co.,Ltd. Address before: 2 / F, No.42, Dongfu Road, Xiaoli community, Dongfeng Town, Zhongshan City, Guangdong Province 528400 Applicant before: ZHONGSHAN JUNZE TECHNOLOGY Co.,Ltd. |
|
TA01 | Transfer of patent application right |