CN113150417A - 一种柔性低温深冷绝热材料及其制备方法 - Google Patents
一种柔性低温深冷绝热材料及其制备方法 Download PDFInfo
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- 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 abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
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- 239000004088 foaming agent Substances 0.000 claims abstract description 6
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- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims 1
- 239000004156 Azodicarbonamide Substances 0.000 claims 1
- 239000004604 Blowing Agent Substances 0.000 claims 1
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- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 claims 1
- 235000019399 azodicarbonamide Nutrition 0.000 claims 1
- VJRITMATACIYAF-UHFFFAOYSA-N benzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC=C1 VJRITMATACIYAF-UHFFFAOYSA-N 0.000 claims 1
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- 239000000378 calcium silicate Substances 0.000 claims 1
- 229910052918 calcium silicate Inorganic materials 0.000 claims 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims 1
- 239000004927 clay Substances 0.000 claims 1
- 229910052570 clay Inorganic materials 0.000 claims 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims 1
- 239000012990 dithiocarbamate Substances 0.000 claims 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims 1
- 239000000347 magnesium hydroxide Substances 0.000 claims 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims 1
- 229920001084 poly(chloroprene) Polymers 0.000 claims 1
- 239000004800 polyvinyl chloride Substances 0.000 claims 1
- QAZLUNIWYYOJPC-UHFFFAOYSA-M sulfenamide Chemical compound [Cl-].COC1=C(C)C=[N+]2C3=NC4=CC=C(OC)C=C4N3SCC2=C1C QAZLUNIWYYOJPC-UHFFFAOYSA-M 0.000 claims 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims 1
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- 239000000463 material Substances 0.000 abstract description 13
- 238000001816 cooling Methods 0.000 abstract description 9
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- 239000006260 foam Substances 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
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- 238000004806 packaging method and process Methods 0.000 description 4
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2321/00—Characterised by the use of unspecified rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- Extrusion Moulding Of Plastics Or The Like (AREA)
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Abstract
本产品提供了一种柔性低温深冷绝热材料及其制备方法，其特征在于，把原料合成橡胶20‑25份、无机填料35‑40份、阻燃剂12‑15份、发泡剂10‑15份、石蜡油8‑11份、润滑油4份倒入密炼室，采用120℃‑140摄氏度的温度进行密炼15min，出料倒入开炼机切片，冷却待用，冷却好的高温胶按片投入开炼机，压热包辊后依次加入，称取硫磺0.5份、橡胶促进剂1份，翻均匀后投胶料到自动翻料擘、开计时器、自动翻料360秒开始下料、胶条厚度5‑8mm，胶条宽度200mm，胶条长度不切段；将胶条放入挤出机，转速15‑40转/分，将胶条均匀喂入喂料口挤出成型；挤出成型料经引料棒送入有多节烘道的烘箱发泡出橡胶管(板)。
Description
技术领域
本发明涉及一种柔性低温深冷绝热材料及其制备方法，属于绝热材料应用领域，具体是一种低温条件下高韧性绝热保冷材料及其制备方法。
背景技术
现如今市场上的橡塑类材料一般都会在低温情况下(-40℃)会出现变脆，产品的韧性下降，此时产品易碎，不利于带冷施工。
发明内容
本发明的目的在于提供一种在低温条件下具有优良韧性的保冷材料，以解决上述背景技术中提出的产品在低温条件下变脆的问题。
为实现上述目的，本发明提供如下技术方案：
一种低温条件下高韧性柔性保冷绝热材料，其特征在于，由以下原料组成：
上述耐高温柔性绝热材料的制作方法，制备按以下步骤进行：
(1)按照以上组分称取以下原料：合成橡胶20-25份、无机填料35-40份、阻燃剂12-15份、发泡剂10-15份、石蜡油8-11份、润滑油4份、硫磺0.5份、橡胶促进剂1份。
(2)高温胶密炼：将按重量份数称取的合成橡胶20-25份、无机填料35-40份、阻燃剂12-15份、发泡剂10-15份、石蜡油8-11份、润滑油4份放入密炼室，采用120℃-140℃的温度进行密炼15min；
(3)切片：将步骤(2)的出料倒入开炼机切片，切出的胶片厚度5-9mm，胶片宽度600-800mm，胶片长度3000-4000mm，冷却待用；
(4)成型胶开炼：将步骤3冷却好的高温胶按片投入开炼机，压热包辊后依次加入按重量份数称取硫磺0.5份、橡胶促进剂1份，翻均匀后投胶料到自动翻料擘、开计时器、自动翻料360 秒开始下料、胶条厚度5-8mm，胶条宽度200mm，胶条长度不切段；
(5)挤出：将步骤4的胶条放入挤出机，启动挤出机，调整转速15-40转/分，将胶条均匀喂入喂料口挤出成型；
(6)硫化发泡：将步骤5的挤出成型料经引料棒送入有多节烘道的烘箱发泡出橡胶管(板)；
(7)牵引冷却：将发泡出的橡塑管(板)用引料棒将其引入水槽冷却5-10分钟后经传递带送至切台；
(8)剪切包装：调整切台的速度，使其与冷却传送带一致，调节计米器，按尺寸要求进行剪切，包装，放至存放区。
进一步的，所述多节烘道为六节，各节烘道温度为：一节为130℃，二节为132℃，三节为 140℃，四节为145℃，五节为165℃，六节为175℃。
进一步的，步骤5中，胶条在挤出机上的温度为：机头段为40℃-50℃、挤出段为35℃-45℃、塑化段为35℃-45℃、螺杆段为25℃-35℃。
具体实施方式
(1)按照以上组分称取以下原料：合成橡胶20-25份、无机填料35-40份、阻燃剂12-15份、发泡剂10-15份、石蜡油8-11份、润滑油4份、硫磺0.5份、橡胶促进剂1份。
(2)高温胶密炼：将按重量份数称取的合成橡胶20-25份、无机填料35-40份、阻燃剂12-15份、发泡剂10-15份、石蜡油8-11份、润滑油4份放入密炼室，采用120℃-140℃的温度进行密炼15min；
(3)切片：将步骤(2)的出料倒入开炼机切片，切出的胶片厚度5-9mm，胶片宽度600-800mm，胶片长度3000-4000mm，冷却待用；
(4)成型胶开炼：将步骤3冷却好的高温胶按片投入开炼机，压热包辊后依次加入按重量份数称取硫磺0.5份、橡胶促进剂1份，翻均匀后投胶料到自动翻料擘、开计时器、自动翻料 360秒开始下料、胶条厚度5-8mm，胶条宽度200mm，胶条长度不切段；
(5)挤出：将步骤4的胶条放入挤出机，启动挤出机，调整转速15-40转/分，将胶条均匀喂入喂料口挤出成型；
(6)硫化发泡：将步骤5的挤出成型料经引料棒送入有多节烘道的烘箱发泡出橡胶管(板)；
(7)牵引冷却：将发泡出的橡塑管(板)用引料棒将其引入水槽冷却5-10分钟后经传递带送至切台；
(8)剪切包装：调整切台的速度，使其与冷却传送带一致，调节计米器，按尺寸要求进行剪切，包装，放至存放区。
进一步的，所述多节烘道为六节，各节烘道温度为：一节为130℃，二节为132℃，三节为 140℃，四节为145℃，五节为165℃，六节为175℃。
进一步的，步骤5中，胶条在挤出机上的温度为：机头段为40℃-50℃、挤出段为35℃-45℃、塑化段为35℃-45℃、螺杆段为25℃-35℃。
Claims (7)
1.一种柔性低温深冷绝热材料，其特征在于，在低温状态下具有良好的韧性，是一种低温条件下高韧性绝热保冷材料。
2.如权利要求1所述的柔性低温深冷绝热材料，其特征在于，由以下质量百分比的原料组成：合成橡胶20-25份、无机填料35-40份、阻燃剂12-15份、发泡剂10-15份、石蜡油8-11份、润滑油4份、硫磺0.5份、橡胶促进剂1份。
3.如权利要求1所述的柔性低温深冷绝热材料，其特征在于，所述合成橡胶由丙烯腈丁二烯橡胶(NBR)或聚氯丁二烯(CR)或乙烯-丙烯-二烯橡胶(EPDM)中的一种或两种和聚氯乙烯(PVC)或氯化聚乙烯(CPE)中的一种组成。
4.如权利要求1所述的柔性低温深冷绝热材料，其特征在于，所述发泡剂为偶氮二甲酰胺、偶氮二异丁腈或苯磺酰肼中的一种或两种。
5.如权利要求1所述的柔性低温深冷绝热材料，其特征在于，所述阻燃剂为氢氧化镁、氢氧化铝、三氧化锑中的一种或两种。
6.如权利要求1所述的柔性低温深冷绝热材料，其特征在于，所述无机填料为陶土、硅酸钙、碳酸钙、滑石粉中的一种或几种。
7.如权利要求1所述的柔性低温深冷绝热材料，其特征在于，所述橡胶促进剂为次磺酰胺类促进剂或二硫代氨基甲酸盐类促进剂或秋兰姆类促进剂的一种或几种。
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