CN103232650A - 一种建筑用密目式塑料安全网及其制备方法 - Google Patents

一种建筑用密目式塑料安全网及其制备方法 Download PDF

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CN103232650A
CN103232650A CN2013101517171A CN201310151717A CN103232650A CN 103232650 A CN103232650 A CN 103232650A CN 2013101517171 A CN2013101517171 A CN 2013101517171A CN 201310151717 A CN201310151717 A CN 201310151717A CN 103232650 A CN103232650 A CN 103232650A
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safety net
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计慷
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SUZHOU DELAIER BUILDING MATERIALS SCIENCE AND TECHNOLOGY CO LTD
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04Particle-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/36Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50Details of extruders
    • B29C48/505Screws
    • B29C48/625Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885Screw or gear
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92876Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895Barrel or housing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92904Die; Nozzle zone

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  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

一种建筑用密目式塑料安全网,其组成成份以质量份数表示法为:PVC100;DOP10—20;DOA5-10;ATBC60-70;TOTM5-10;抗氧剂0.2-0.5;热稳定剂4-16;氯化石蜡0.5-5;BPA0.5-1;紫外线吸收剂0.2-1;光稳定剂0.1-0.3;阻燃剂1-6;着色剂2-3;钛白粉3-4;产品耐冲击性好,耐贯穿性优,老化后拉力不少于原有的90%;阻燃性优,8s内自熄,会得到广泛使用,并不断替代现有材料。

Description

一种建筑用密目式塑料安全网及其制备方法
技术领域
本发明涉及建筑材料领域,尤其涉及一种建筑用密目式塑料安全网及其制备方法。
背景技术
随着社会城市化、科技化、人性化的发展,建筑业得到蓬勃发展,随之而来的是建筑用安全网使用量的增加和安全网强度低,网体重,隔热通风效果差,透光防火性低,不能防尘降噪等问题的彰显,建筑用密目式塑料安全网用于各种建筑工地,特别是高层建筑,可全封闭施工。能有效地防止人身,物体的坠落伤害,防止电焊火花所引起的火灾,降低噪音灰尘污染,达到文明施工,保护环境,美化城市的效果;而随着人性化理念的普及,及新型和谐社会的构成,设计一种强度高,网体轻,隔热通风,透光防火,防尘降噪的建筑用密目式塑料安全网是非常必要的。
现有的建筑用安全网,主要采用尼龙或化纤等材质,但是考虑到耐冲击性能和耐贯穿性能低,易老化,老化后拉力低和阻燃性差等角度,现有技术就显得略有不足。
发明内容
本发明提供一种建筑用密目式塑料安全网及其制备方法,解决现有密封条中的耐冲击性能和耐贯穿性能低,易老化,老化后拉力低和阻燃性差等技术问题。
本发明采用以下技术方案: 
一种建筑用密目式塑料安全网,由下列原料组成,以质量份数表示法为:
PVC                           100;
DOP                     10—20;
DOA          5-10;
ATBC           60-70;
TOTM           5-10;
抗氧剂                      0.2-0.5;
热稳定剂                   4-16;
氯化石蜡            0.5-5;
BPA            0.5-1;
紫外线吸收剂      0.2-1;
光稳定剂               0.1-0.3;
阻燃剂                         1-6;
着色剂                  2-3;
钛白粉                   3-4。
作为本发明的一种优选技术方案:所述PVC采用PVCXS-2型,绝对黏度为1.90~2.10mPa·s。
作为本发明的一种优选技术方案:所述抗氧剂采用DLTP或1010中的一种或多种混合物。
作为本发明的一种优选技术方案:所述光稳定剂采用光稳定剂2002。
作为本发明的一种优选技术方案:所述热稳定剂采用三碱式硫酸铅、二碱式亚磷酸铅、硬脂酸钙或硬脂酸钡中的一种或多种混合物。
作为本发明的一种优选技术方案:所述阻燃剂采用TPP、TCEP或TDCPP中的一种或多种混合物。
作为本发明的一种优选技术方案:所述紫外线吸收剂选用UV-327或UV-531中的一种或多种混合物
作为本发明的一种优选技术方案:所述建筑用密目式塑料安全网的制备方法为:
第一步:按照上文所述质量份数比称取各种原料;
第二步:将上述原料放入高混机中混合3-5分钟,使各种成分分散均匀; 
第三步:将第二步混合后的物料投放到长径比为28:1的单螺杆挤出机中,挤出机温度设置为:一区:90-100℃,二区120-140℃,三区150-160℃,四区160-180℃,机头体170-180℃,冷却水温30-40℃。
本发明使用的所有原料均为共知的已有,使用方法和功能均为已有技术。
本发明所述一种建筑用密目式塑料安全网采用以上技术方案与现有技术相比,具有以下技术效果:1、耐冲击性好,100kg沙包2m高出坠落,不破不裂;2、耐贯穿性优,5kg重钢管距网3m高落下,碰到30°角网面不穿透;3、老化后拉力不少于原有的90%;4、阻燃性优,8s内自熄;5、强度高,网体轻,隔热通风,透光防火,且紫外线吸收效果好,能抑制光氧化和光老化,会得到广泛使用,并不断替代现有材料。 
具体实施方式
以下通过实施例更加详细地阐述本发明的内容。 
实施例1:
第一步:按照下文所述质量份数比称取各种原料
PVC                           100;
DOP                     10;
DOA          5;
ATBC           60;
TOTM           5;
抗氧剂DLTP                      0.2;
三碱式硫酸铅                   4.5;
二碱式亚磷酸铅                 2.5;
硬脂酸钙                      1.5 ;
硬脂酸钡                       0.25;
氯化石蜡            0.5;
BPA            0.5;
紫外线吸收剂UV-327      0.2;
光稳定剂2002               0.1;
阻燃剂TPP                         1;
着色剂                  2;
钛白粉                   3。
第二步:将上述原料放入高混机中混合3-5分钟,使各种成分分散均匀; 
第三步:将第二步混合后的物料投放到长径比为28:1的单螺杆挤出机中,挤出机温度设置为:一区:90-100℃,二区120-140℃,三区150-160℃,四区160-180℃,机头体170-180℃,冷却水温30-40℃。
 实施例2:
第一步:按照下文所述质量份数比称取各种原料
PVC                           100;
DOP                     20;
DOA          10;
ATBC           70;
TOTM           10;
抗氧剂DLTP                      0.5;
三碱式硫酸铅                   5;
二碱式亚磷酸铅                 3;
硬脂酸钙                      2;
硬脂酸钡                       0.4;
氯化石蜡            5;
BPA            1;
紫外线吸收剂UV-327      1;
光稳定剂2002               0.3;
阻燃剂TPP                        6;
着色剂                  3;
钛白粉                   4。
第二步:将上述原料放入高混机中混合3-5分钟,使各种成分分散均匀; 
第三步:将第二步混合后的物料投放到长径比为28:1的单螺杆挤出机中,挤出机温度设置为:一区:90-100℃,二区120-140℃,三区150-160℃,四区160-180℃,机头体170-180℃,冷却水温30-40℃。
 实施例3:
第一步:按照下文所述质量份数比称取各种原料
PVC                           100;
DOP                     18;
DOA          5;
ATBC           60;
TOTM           5;
抗氧剂DLTP                      0.3;
三碱式硫酸铅                   4;
二碱式亚磷酸铅                 2;
硬脂酸钙                      1 ;
硬脂酸钡                       0.2;
氯化石蜡            4.5;
BPA            0.5;
紫外线吸收剂UV-327      0.6;
光稳定剂2002               0.2;
阻燃剂TPP                         5;
着色剂                  2;
钛白粉                   3。
第二步:将上述原料放入高混机中混合3-5分钟,使各种成分分散均匀; 
第三步:将第二步混合后的物料投放到长径比为28:1的单螺杆挤出机中,挤出机温度设置为:一区:90-100℃,二区120-140℃,三区150-160℃,四区160-180℃,机头体170-180℃,冷却水温30-40℃。
 以上实施例和对比例中的组合物所有组分均可以商业购买, PVC可在东莞市通富塑胶贸易有限公司购买,DOP可在上海祁聚化工有限公司购买,DOA可在上海甲美精细化工有限公司购买,三碱式硫酸铅可在上海嶅稞实业有限公司浦东分公司购买,硬脂酸钡、硬脂酸钙可在石家庄市德塑助剂有限公司购买,紫外线吸收剂UV-327可在南京惊天为化工购得,光稳定剂2002可在江苏赛亿得贸易有限公司购得。
测试性能:
测试性能:对实施例1~3进行冲击性、贯穿性等测试,测试结果为:
1、耐冲击性,100kg沙包2m高出坠落,不破不裂;
2、耐贯穿性,5kg重钢管距网3m高落下,碰到30°角网面不穿透;
3、老化后拉力不少于原有的90%;
4、阻燃性,8s内自熄。
上述实施例只是用于对本发明的内容进行阐述,而不是限制,因此在与本发明的权利要求书相当的含义和范围内的任何改变,都应该认为是包括在权利要求书的范围内。

Claims (8)

1.一种建筑用密目式塑料安全网,其特征在于:其组成成份以质量份数表示法为:
PVC                           100;
DOP                     10—20;
DOA          5-10;
ATBC           60-70;
TOTM           5-10;
抗氧剂                      0.2-0.5;
热稳定剂                   4-16;
氯化石蜡            0.5-5;
BPA            0.5-1;
紫外线吸收剂      0.2-1;
光稳定剂               0.1-0.3;
阻燃剂                         1-6;
着色剂                  2-3;
钛白粉                   3-4。
2.根据权利要求1所述的一种建筑用密目式塑料安全网,其特征在于:所述PVC采用PVCXS-2型,绝对黏度为1.90~2.10mPa·s。
3.根据权利要求1所述的一种建筑用密目式塑料安全网,其特征在于:所述抗氧剂采用DLTP或1010中的一种或多种混合物。
4.根据权利要求1所述的一种建筑用密目式塑料安全网,其特征在于:所述光稳定剂采用光稳定剂2002。
5.根据权利要求1所述的一种建筑用密目式塑料安全网,其特征在于:所述热稳定剂采用三碱式硫酸铅、二碱式亚磷酸铅、硬脂酸钙或硬脂酸钡中的一种或多种混合物。
6.根据权利要求1所述的一种建筑用密目式塑料安全网,其特征在于:所述阻燃剂采用TPP、TCEP或 TDCPP中的一种或多种混合物。
7.根据权利要求1所述的一种建筑用密目式塑料安全网,其特征在于:所述紫外线吸收剂选用UV-327或UV-531中的一种或多种混合物。
8.一种制备权利要求1所述建筑用密目式塑料安全网的方法,其特征在于步骤为:
第一步:按照上文所述质量份数比称取各种原料;
第二步:将上述原料放入高混机中混合3-5分钟,使各种成分分散均匀; 
第三步:将第二步混合后的物料投放到长径比为28:1的单螺杆挤出机中,挤出机温度设置为:一区:90-100℃,二区120-140℃,三区150-160℃,四区160-180℃,机头体170-180℃,冷却水温30-40℃。
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Cited By (1)

* Cited by examiner, † Cited by third party
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CN109535608A (zh) * 2018-12-07 2019-03-29 金发科技股份有限公司 一种软质聚氯乙烯材料及其制备方法

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