CN111471254A - 一种可热熔对接焊聚氯乙烯管材及其制备方法 - Google Patents
一种可热熔对接焊聚氯乙烯管材及其制备方法 Download PDFInfo
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- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 56
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 56
- 238000003466 welding Methods 0.000 title claims abstract description 22
- 239000012943 hotmelt Substances 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 58
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000000460 chlorine Substances 0.000 claims abstract description 57
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 57
- 239000004698 Polyethylene Substances 0.000 claims abstract description 50
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 11
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 3
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 3
- 238000001125 extrusion Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 23
- 229920001577 copolymer Polymers 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 7
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 7
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
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- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
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- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 229910052570 clay Inorganic materials 0.000 claims description 2
- 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 description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
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- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 abstract description 13
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract description 13
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- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 9
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- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
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- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
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Abstract
本发明属于管材加工技术领域,具体涉及可热熔对接焊聚氯乙烯管材及其制备方法,按重量份数计,包括以下原料,PVC树脂50‑100份;PE树脂40‑99份;PVC增溶剂0.5‑15份;PE增溶剂0.5‑15份;钙锌稳定剂3‑8份;硬脂酸0.1‑2.0份;聚乙烯蜡0.1‑2份;ACR:0.5‑8份;增强剂0.5‑15份;纳米填充剂0.5‑15份;其中,所述PVC增溶剂为含氯量35‑37%的氯化聚乙烯、乙烯‑醋酸乙烯共聚物中的一种或两种的混合;所述PE增溶剂为含氯量40‑50%的氯化聚乙烯和含氯量60‑70%的氯化聚乙烯的混合物。在本发明中,管材的原料中加入大量的PE树脂,提高PVC管材的强度,并且,加入含氯量40‑50%的氯化聚乙烯和含氯量60‑70%的氯化聚乙烯作为PE增溶剂,提高PVC和PE的相容性,进而提高焊口处的力学性能和圆滑性。
Description
技术领域
本发明属于管材加工技术领域,具体涉及可热熔对接焊聚氯乙烯管材及其制备方法。
背景技术
目前城市建设面积越来越多,新城镇建设,新农村建设,美丽乡村等等,随着水泥地面的范围越来越大,在多数情况下,铺设安装和维修地下给水、排水和电缆导管时,不能破坏地面设施,所以非开挖用管道越来越受欢迎。目前使用于非开挖的塑料管材,最多的是PE管道和MPP管道,PE和PP焊口强度很好,但PE和PP管道受石油价格波动影响非常大,有时价格比PVC树脂价格高100%。而针对PVC管材,由于现有技术对接焊的焊口强度低,焊口处不能圆滑过渡,容易把电缆线划伤,焊口冲击强度低,焊口弯折容易断裂,难以在实际工程中应用。
发明内容
本发明的目的在于:解决上述现有技术中的不足,提供一种可对接焊的PVC管材,焊接后的焊口强度高管材本体的强度,可以广泛作为城市乡村开挖和非开挖的给水管材,排水管材,通信管材,既可以节约管件和粘接成本,还可以减少承口部分的管材长度和节约胶圈,本发明为一种节能减排,性价比高的新管材。
为了实现上述目的,本发明采用的技术方案为:一种可热熔对接焊聚氯乙烯管材,按重量份数计,包括以下原料,
其中,所述PVC增溶剂为含氯量35-37%的氯化聚乙烯、乙烯-醋酸乙烯共聚物中的一种或两种的混合;
所述PE增溶剂为含氯量40-50%的氯化聚乙烯和含氯量60-70%的氯化聚乙烯的混合物。
进一步的,所述含氯量40-50%的氯化聚乙烯和含氯量60-70%的氯化聚乙烯的重量份数比为1:1。在本发明中,含氯量指的是氯化聚乙烯接枝的氯元素的质量分数。
进一步的,该管材的包括以下含量的原料,按重量份数计为:
进一步的,该管材的包括以下含量的原料,按重量份数计为:
进一步的,所述增强剂为丙烯腈-丁二烯-苯乙烯共聚物、甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物中一种或者两种共混物。
进一步的,所述填充剂为纳米碳酸钙、云母、石英砂、黏土、钛白粉、炭黑、石墨烯、滑石粉、二氧化硅中一种或者两种以上混合物。
一种上述可热熔对接焊聚氯乙烯管材的制备方法,包括以下步骤,
S1混料:将各原料加入到加热搅拌机中,搅拌均匀,待原料温度达到100-125℃后,将原料加入到冷却搅拌机中,搅拌,并将各原料冷却至28-42℃;
S2挤出成型:调节模具参数和挤出工艺参数,将上述步骤S1混合后的物料加入到挤出机中,挤出管材。
进一步的,在所述步骤S2中,管材的纵向拉伸比1:1.2~1.6,管材的环向拉伸比1:1.20~1.7,管材的压缩比1:12-25。在加工过程中,将纵向拉伸比控制在1:1.2~1.6,环向拉伸比控制在1:1.20~1.7,提高管材的拉伸强度和环向强度,而将压缩比控制在1:12-25,结合到管材的原料配方,提高PVC树脂和PE树脂的相溶性,进而提高焊口的强度和圆滑性。
进一步的,在所述步骤S2中,挤出机机筒温度,1区175-225℃,2区180-215℃,3区170-200℃,4区165-185℃,合流芯165-195℃。
进一步的,在所述步骤S2中,模具温度为1区175-190℃,2区180-195℃,3区180-200℃,口模温度175-215℃。
进一步的,在所述步骤S2中,挤出机主机螺杆转速8-40转/分钟,机筒的真空度0.04-0.1MPa,水箱中空管0.04-0.08MPa,牵引机速度0.1-5米/分钟。
进一步的,在本发明中,原料还包含抗氧剂1010:0.1-0.8份,紫外光吸收剂UV-531:0.5-5份。提高管材的抗氧化性和抗光照性,利于管材裸露安装,在夏季,可长期在工地上堆放。
本发明的有益效果是:
在本发明中,管材的原料中加入大量的PE树脂,提高PVC管材的强度,并且,加入含氯量40-50%的氯化聚乙烯和含氯量60-70%的氯化聚乙烯作为PE增溶剂,提高PVC和PE的相容性,即较高氯含量的氯化聚乙烯,与PVC分子的接触面积大,氯化聚乙烯与PVC分子之间形成“桥梁”,PE树脂的分子链与PVC树脂的分子量交叉缠绕,提高相容性。在热熔对接焊时,由于管材中PE树脂和PVC树脂的相容高,熔融后的加工温区间变宽,使得焊口处圆滑,焊口处的拉伸强度、抗冲击强度、耐压性等均有所提高。并且,在本发明中,利用大量的PE树脂,对PVC进行改性,提高PVC管材和焊口的强度。
具体实施方式
实施例1:
按以下配方,配置管材原料:
PVC树脂75份;PE树脂50份;氯化聚乙烯(氯含量36%)10份;乙烯-醋酸乙烯共聚物3份;氯化聚乙烯(氯含量48%)4份;氯化聚乙烯(氯含量60%)4份;钙锌稳定剂3份;硬脂酸0.5份;聚乙烯蜡0.8份;ACR1.5份;丙烯腈-丁二烯-苯乙烯共聚物2.8份;纳米钛白粉1.0份。
按照以上发明中配方份数称量,将料加入高速搅拌机中,混合10分钟,混料温度达到105℃,放入冷却搅拌机中冷却到32℃,装袋下道工序备用。
调节模具参数:纵向拉伸比1:1.3,环向拉伸比1.25,压缩比1:12。3、挤出工艺参数:
挤出机机筒温度:1区190℃,2区180℃,3区175℃,4区165℃,合流芯170℃。
模具温度:1区180℃,2区185℃,3区195℃,口模温度195℃。
主机螺杆转速14转/分钟,机筒真空度0.08MPa,水箱中空管0.04MPa,牵引机速度0.5米/分钟。
经挤出成型,得到dn110x4.2mm,的管材,管材长度6米/根。
实施例2:
按以下配方,配置管材原料:
PVC树脂75份,PE树脂40份,氯化聚乙烯(氯含量36%)11份,乙烯-醋酸乙烯共聚物4份,氯化聚乙烯(氯含量48%)3.5份,氯化聚乙烯(氯含量60%)3.5份,钙锌稳定剂3.8份,硬脂酸0.6份,聚乙烯蜡0.7份,ACR 1.8份,丙烯腈-丁二烯-苯乙烯共聚物5.0份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物5.0份,纳米钛白粉3.0份,
按上述配方中的份数称量,将各原料加入高速搅拌机中,混合10分钟,混料温度达到105℃,放入冷却搅拌机中冷却到32℃,装袋下道工序备用。
调节模具参数:纵向拉伸比1:1.3,环向拉伸比1.25,压缩比1:12。
挤出工艺参数:
挤出机机筒温度:1区190℃,2区180℃,3区175℃,4区165℃,合流芯170℃。
模具温度:1区180℃,2区185℃,3区195℃,口模温度195℃。
主机螺杆转速25转/分钟,机筒真空度0.08MPa,水箱中空管0.04MPa,牵引机速度0.6米/分钟,
得到规格为dn110x5.3mm的管材,管材长度6米/根。
实施例3:
按照以下重量份数,配置管材原料:
PVC树脂75份;PE树脂55份;氯化聚乙烯(氯含量36%)12份;乙烯-醋酸乙烯共聚物4份,氯化聚乙烯(氯含量48%)4.5份,氯化聚乙烯(氯含量60%)4.5份,钙锌稳定剂4.0份,硬脂酸0.4份,聚乙烯蜡0.8份,ACR,1.8份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物1.0份,纳米二氧化硅1.5份,纳米钛白粉1.5份。
按照上述各原料的重要份数,将各原料加入高速搅拌机中,混合10分钟,待混料温度达到110℃,放入冷却搅拌机中冷却到35℃,装袋下道工序备用。
调节模具参数:纵向拉伸比1:1.3,环向拉伸比1.25,压缩比1:13。
挤出工艺参数:
挤出机机筒温度:1区190℃,2区180℃,3区175℃,4区165℃,合流芯170℃。
模具温度:1区180℃,2区185℃,3区195℃,口模温度195℃。
主机螺杆转速18转/分钟,机筒真空度0.08MPa,水箱中空管0.04MPa,牵引机速度0.8米/分钟。
得到规格为dn110x3.2mm的管材,管材的长度6米/根。
实施例4:
按照以下重量份数,配置管材原料:
PVC树脂50份;PE树脂99份;氯化聚乙烯(氯含量37%)12份,氯化聚乙烯(氯含量50%)4.5份,氯化聚乙烯(氯含量70%)4.5份,钙锌稳定剂4.0份,硬脂酸0.4份,聚乙烯蜡0.8份,ACR,1.8份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物1.0份,纳米钛白粉0.5份。
按照实施例1所述的模具参数和挤出参数,挤出成型管材。
实施例5:
按照以下重量份数,配置管材原料:
PVC树脂100份;PE树脂40份;氯化聚乙烯(氯含量35%)3份,乙烯-醋酸乙烯共聚物10份,氯化聚乙烯(氯含量50%)6.5份,氯化聚乙烯(氯含量60%)6.5份,钙锌稳定剂3份,硬脂酸1份,聚乙烯蜡0.8份,ACR,1.8份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物1.0份,纳米碳酸钙1.5份,纳米钛白粉4份。
按照实施例1所述的模具参数和挤出参数,挤出成型管材。
实施例6:
按照以下重量份数,配置管材原料:
PVC树脂80份;PE树脂60份;氯化聚乙烯(氯含量35%)3份,氯化聚乙烯(氯含量50%)3份,氯化聚乙烯(氯含量60%)3份,钙锌稳定剂5份,硬脂酸2份,聚乙烯蜡0.1份,ACR,0.5份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物1.0份,纳米碳酸钙1.5份,纳米钛白粉3份。
按照实施例1所述的模具参数和挤出参数,挤出成型管材。
实施例7:
按照以下重量份数,配置管材原料:
PVC树脂80份;PE树脂60份;氯化聚乙烯(氯含量35%)15份,乙烯-醋酸乙烯共聚物2份,氯化聚乙烯(氯含量50%)5份,氯化聚乙烯(氯含量60%)5份,钙锌稳定剂5份,硬脂酸2份,聚乙烯蜡0.1份,ACR,0.5份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物1.0份,纳米石英砂1份,纳米钛白粉10份。
按照实施例2中的模具参数和挤出参数,挤出成型管材。
实施例8:
PVC树脂65份;PE树脂75份;乙烯-醋酸乙烯共聚物18份,氯化聚乙烯(氯含量50%)5份,氯化聚乙烯(氯含量60%)5份,钙锌稳定剂5份,硬脂酸2份,聚乙烯蜡0.1份,ACR,0.5份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物1.0份,纳米云母5份,纳米钛白粉3份。
按照实施例2中的模具参数和挤出参数,挤出成型管材。
实施例9:
PVC树脂65份;PE树脂75份;乙烯-醋酸乙烯共聚物18份,氯化聚乙烯(氯含量50%)5份,氯化聚乙烯(氯含量60%)5份,钙锌稳定剂5份,硬脂酸2份,聚乙烯蜡0.1份,ACR,0.5份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物1.0份,纳米云母5份,纳米炭黑5份。
按照实施例2中的模具参数和挤出参数,挤出成型管材。
实施例10:
PVC树脂50份;PE树脂40份;氯化聚乙烯(氯含量35%)0.5份,乙烯-醋酸乙烯共聚物,1份,氯化聚乙烯(氯含量45%)6份,氯化聚乙烯(氯含量60%)6份,钙锌稳定剂3份,硬脂酸2份,聚乙烯蜡0.1份,ACR,8份,甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物1.0份,丙烯腈-丁二烯-苯乙烯共聚物5份,纳米石墨烯3份,纳米滑石粉5份。
按照实施例2中的模具参数和挤出参数,挤出成型管材。
对比例1:
在实施例1的基础上,所加入的氯化聚乙烯总量为18份,其氯化聚乙烯的氯含量为10%,其余的原料和份数与实施例1的相同,模具参数和挤出工艺参数与实施例1的也相同。
对比例2:
在实施例1的基础上,所加入的氯化聚乙烯总量为18份,其氯化聚乙烯的氯含量为20%,其余的原料和份数与实施例1的相同,模具参数和挤出工艺参数与实施例1的也相同。
对比例3:
按照以下配方,配置各原料
PVC树脂100份;钙锌稳定剂3份;硬脂酸0.5份;聚乙烯蜡0.8份;ACR 1.5份;丙烯腈-丁二烯-苯乙烯共聚物2.8份;纳米钛白粉1.0份。
按照实施例1的模具参数和挤出工艺参数,挤出成型得到管材。
实施例4:
PVC树脂100份;PE树脂10份,氯化聚乙烯(氯含量10%)10份,钙锌稳定剂3份;硬脂酸0.5份;聚乙烯蜡0.8份;ACR 1.5份;丙烯腈-丁二烯-苯乙烯共聚物2.8份;纳米钛白粉1.0份。
按照实施例1的模具参数和挤出工艺参数,挤出成型得到管材。
实验例:
将上述实施例1-10和对比例1-4得到的管材,依次标号为1-10号和对比1-4号。将得到的管材进行热熔对接焊,即1号管材和1号管材焊接,2号管材和2号管材焊接。焊接后,分别测定各管材焊口的强度、焊口断裂伸长率、焊口冲击强度、焊口折弯度、焊口耐压性,并观察焊口的外观是否圆滑,得到的结果如表1所示。
其中,焊口冲击强度指的是,将焊口在0℃冷冻1小时后,以冲击高2米,锤头半径45mm进行焊口冲击强度测试。焊口耐压性能测试:向焊接后的管材中通入20℃的温水,在公称压力42MPa环应力下,进行液压试验,得到焊口的耐压性能。
表1实施例1-10管材的焊口和对比例1-4管材的焊口的力学性能
从上述表1中,可以得出,实施例1-10的管材焊口,其焊口的拉伸强度在42.7-48.5Mpa,断裂伸长率175-280%,在进行低温摆锤冲击试验时,实施例1-10的焊口均为破裂,并且,实施例1-10的焊口,在弯折45°后,焊口不断裂,通水后焊口处无渗漏,向焊接后的管材中通入20℃的温水,在公称压力42MPa环应力下,进行液压试验,实施例1-10的焊口处在1小时内均无破裂和渗漏,并且,实施例1-10的焊口处圆滑。
在对比例1-4号中,焊口的拉伸强度在37.5-40.1Mpa,实施例1-10号的焊口处的拉伸强度明显高于对比例1-4的拉伸强度,并且,结合实施例1和对比例1,对比例1中添加的增溶剂氯化聚乙烯的氯含量10%,其余的均与实施例1的相同,由于对比例1中增容剂的氯含量较低,且氯化聚乙烯的种类单一,使得管材中的PVC树脂和PE树脂的相容性较差,溶入到PVC树脂分子中的PE树脂的量较少,PE树脂改性性能较弱,在热熔焊接时,热熔后的管材中的PE树脂难以再融入到PVC树脂中,使得焊口处的拉伸强度要低于管材本体的强度(对比例1的断裂位置为焊口,实施例1的断裂位置为管材)。而在对比实施例1中,加入的增容剂分别为氯含量36%、48%、60%的氯化聚乙烯,其氯含量较高,可将大量的PE树脂溶入到PVC树脂中,明显的提高管材焊口处的强度。同时,由于PE树脂的溶入量增大,热熔后管材的加工温度区间变宽,使得焊接后的焊口处更加的圆滑,焊口的耐压性、抗冲击强度和弯折性均有提高。
同样的,结合到实施例1和对比例2,在对比例2中,氯化聚乙烯的氯含量为20%,相对与对比例1,增加了氯化聚乙烯的氯含量,但从对比例2的管材的焊口性能来看,焊口的拉伸强度、断裂伸长率、抗冲击性能、弯折性能、耐压性能均比实施例1-10的焊口的性能差。
结合实施例1和对比例3,在对比例3中,未加入PE树脂以及增溶剂,即为普通的PVC管材,从表1中,可以看出,对比例3的管材焊口的力学性能明显差与实施例1-10的管材焊口。
综上所述,本发明提高的PVC管材,其具有优异的热熔对接焊性能,焊口处的力学性能明显优于现有的PVC管材。
Claims (9)
2.根据权利要求1所述的可热熔对接焊聚氯乙烯管材,其特征在于:所述含氯量40-50%的氯化聚乙烯和含氯量60-70%的氯化聚乙烯的重量份数比为1:1。
3.根据权利要求1所述的可热熔对接焊聚氯乙烯管材,其特征在于:所述增强剂为丙烯腈-丁二烯-苯乙烯共聚物、甲基丙烯酸甲酯-丁二烯-苯乙烯共聚物中一种或者两种共混物。
4.根据权利要求1所述的可热熔对接焊聚氯乙烯管材,其特征在于:所述填充剂为纳米级的碳酸钙、云母、石英砂、黏土、钛白粉、炭黑、石墨烯、滑石粉、二氧化硅中一种或者两种以上混合物。
5.一种如权利要求1-4任一所述的可热熔对接焊聚氯乙烯管材的制备方法,其特征在于:包括以下步骤,
S1混料:将各原料加入到搅拌机中,搅拌均匀,待原料温度达到100-125℃后,将原料加入到冷却搅拌机中,搅拌,并将各原料冷却至28-42℃;
S2挤出成型:调节模具参数和挤出工艺参数,将上述步骤S1混合后的物料加入到挤出机中,挤出管材。
6.根据权利要求5所述的可热熔对接焊聚氯乙烯管材的制备方法,其特征在于:在所述步骤S2中,管材的纵向拉伸比1:1.2~1.6,管材的环向拉伸比1:1.20~1.7,管材的压缩比1:12-25。
7.根据权利要求1所述的可热熔对接焊聚氯乙烯管材的制备方法,其特征在于:在所述步骤S2中,挤出机机筒温度,1区175-225℃,2区180-215℃,3区170-200℃,4区165-185℃,合流芯165-195℃。
8.根据权利要求1所述的可热熔对接焊聚氯乙烯管材的制备方法,其特征在于:在所述步骤S2中,模具温度为1区175-190℃,2区180-195℃,3区180-200℃,口模温度175-215℃。
9.根据权利要求1所述的可热熔对接焊聚氯乙烯管材的制备方法,其特征在于:在所述步骤S2中,挤出机主机螺杆转速8-40转/分钟,机筒的真空度0.04-0.1MPa,水箱中空管0.04-0.08MPa,牵引机速度0.1-5米/分钟。
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CN112321964A (zh) * | 2020-10-30 | 2021-02-05 | 山东国塑科技实业有限公司 | 高阻燃耐老化聚氯乙烯复合通信管及其制备方法 |
CN113881170A (zh) * | 2021-11-12 | 2022-01-04 | 阿姆斯壮地面材料(中国)有限公司 | 一种含pvdf(聚偏氟乙烯)的焊线材料的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104194218A (zh) * | 2014-09-01 | 2014-12-10 | 康泰塑胶科技集团有限公司 | 聚乙烯和聚氯乙烯共混改性的管材及其制备方法 |
CN105001356A (zh) * | 2015-08-07 | 2015-10-28 | 芜湖融汇化工有限公司 | 一种pvc/hdpe增容用氯化聚乙烯、制备方法及其应用 |
-
2020
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104194218A (zh) * | 2014-09-01 | 2014-12-10 | 康泰塑胶科技集团有限公司 | 聚乙烯和聚氯乙烯共混改性的管材及其制备方法 |
CN105001356A (zh) * | 2015-08-07 | 2015-10-28 | 芜湖融汇化工有限公司 | 一种pvc/hdpe增容用氯化聚乙烯、制备方法及其应用 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112321964A (zh) * | 2020-10-30 | 2021-02-05 | 山东国塑科技实业有限公司 | 高阻燃耐老化聚氯乙烯复合通信管及其制备方法 |
CN113881170A (zh) * | 2021-11-12 | 2022-01-04 | 阿姆斯壮地面材料(中国)有限公司 | 一种含pvdf(聚偏氟乙烯)的焊线材料的制备方法 |
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