CN104403191A - 发泡注射中底及其制造方法 - Google Patents

发泡注射中底及其制造方法 Download PDF

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CN104403191A
CN104403191A CN201410794590.XA CN201410794590A CN104403191A CN 104403191 A CN104403191 A CN 104403191A CN 201410794590 A CN201410794590 A CN 201410794590A CN 104403191 A CN104403191 A CN 104403191A
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foaming
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陈可为
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PUTIAN LONGXIANG SHOES Co Ltd
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PUTIAN LONGXIANG SHOES Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853Vinylacetate
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00Soles; Sole-and-heel integral units
    • A43B13/02Soles; Sole-and-heel integral units characterised by the material
    • A43B13/04Plastics, rubber or vulcanised fibre
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/12Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/122Soles
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/102Azo-compounds
    • C08J9/103Azodicarbonamide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00Foams characterized by the expanding agent
    • C08J2203/04N2 releasing, ex azodicarbonamide or nitroso compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/04Thermoplastic elastomer

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  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

本发明公开了一种发泡注射中底及其制造方法,按重量比,其原料包括:EVAC46-50份,纳米碳酸钙:8-10份,OBCS:28-30份,TPE:13-15份;SBBS:8-10份,TPU:3-5份,ZNO:1-1.5份,R-1031-2份;著色剂:5-10份,发泡助剂0.4-0.5份;架桥助剂0.7-0.9份;硬脂酸:0.4-0.5份,DCP:0.7-1.9份,AC:3-3.5份。质地柔软,回弹力高。

Description

发泡注射中底及其制造方法
技术领域
本发明涉及一种鞋制造领域,具体涉及新型高分子发泡注射中底及制造方法。
背景技术
鞋底的构造相当复杂,就广义而言,可包括外底、中底与鞋跟等所有构成底部的材料。球鞋中底中,PHYLON中底和EVA中底最常见。现在鞋子中底用的最多的是PHYLON中底,PHYLON最大的特点就是轻便,弹性好,具有很好的缓震性能,PHYLON被称作二次发泡。EVA中底也很轻,但是缓震性能和弹性方面远远的比不上PHYLON中底,造价也比PHYLON要低很多,EVA中底被称为一次发泡。
目前市场可发泡高弹材料不易模压成型,缩水严重,UV照射后长度不稳定,易反弹。
发明内容
本发明的目的在于提供一种新型高分子发泡注射中底及制造方法,以解决现有技术中存在的上述问题。
本发明提供的技术方案如下:
EVAc(乙烯-醋酸乙烯共聚物,优选台塑或杜邦,醋酸乙烯含量26-28%)  46-50份,纳米碳酸钙:8-10份,
OBCS(聚烯烃嵌段式共聚物,优选杜邦Infuse9107):28-30份,
TPE(热塑性弹性体,优选杜邦TPE8000):13-15份;
SBBS(优选日本旭化成GT-83):8-10份,   TPU(热塑性聚氨酯弹性体橡胶):3-5份,
ZNO:1-1.5份,   R-103   1-2份
著色剂(清丰,色真,万泰普通EVA色粒均可):5-10份,
发泡助剂(普通材料,各EVA助剂生产厂均有销售)0.4-0.5份;   架桥助剂(普通材料,各EVA助剂生产厂均有销售)  0.7-0.9份
硬脂酸:0.4-0.5份,    DCP:0.7-1.9份,
AC:3-3.5份。
在较佳的实施例中,一种发泡注射中底按重量比,其原料包括:
在另一较佳的实施例中,一种发泡注射中底,按重量比,其原料包括:
在再一较佳的实施例中,一种发泡注射中底,按重量比,其原料包括:
前述的发泡注射中底的制造方法,包括如下步骤:第一步:备料,将称好的主材EVAC、TPE、SBBS、TPU、OBCS、填充材料,催化剂、著色剂、润滑剂按比例投放密炼机混炼6-8分钟,温度升温至95-100度时加入交联剂和发泡剂,混炼1-2分钟,温度110度出料投入开炼机,先翻厚一次厚度3-4mm,再束薄二次(调整开炼机两个滚轮间的间距,使物料出来的厚度为1-1.5mm,此为束薄,调整到3-4mm,使物料出来的厚度为3-4mm,此为翻厚),厚度1-1.5mm,再翻厚一次,厚度3-4mm,再投入单螺杆挤出造粒机,造粒机模头温度80度,炮管温度75度,粒径2.5-3mm,造好的粒料需室温静置2小时以上,
第二步:发泡,将静置好的颗粒称取适当的量放入高温高压的模具中发泡,模具温度165-170度,发泡台压力150kg/cm2,发泡时间45-50秒/mm,发泡后的半成品需在常温下冷却4小时;
第三步:打磨,将冷却好的半成品用卧式倒台清扫其表面,将表面污垢和死料清扫干净,
第四步:模压成型,将清扫完成后的半成品放入中底成型模具进行模压,模温(热模170-175度,冷模20-25度),模压时间(加热320-380秒,冷却400-450秒)。
本发明材料特点如下:
1.模压成型中底外观质感好,收缩小,UV照射后长度稳定,不反弹;
2.质地柔软,高弹超Q,回弹可达到65-70mm,比目前市场高弹发泡材料高5-10%;
3.比重轻,比重0.18-0.22g/cc;
4.压缩变形恢复性强,无折痕;
5.著色性佳,可调制各种颜色。
本材料制作的中底穿著舒适,轻盈。
具体实施方式
实施例1
一种发泡注射中底,按重量比,其原料包括:
第一步:备料,将称好的主材EVAC、TPE、SBBS、TPU、OBCS,填充材料,催化剂、著色剂、润滑剂按比例投放密炼机混炼6-8分钟,温度升温至95-100度时加入交联剂和发泡剂,混炼1-2分钟,温度110度出料投入开炼机,先翻厚一次厚度3-4mm,再束薄二次,厚度1-1.5mm,再翻厚一次,厚度3-4mm,再投入单螺杆挤出造粒机,造粒机模头温度80度,炮管温度75度,粒径2.5-3mm,造好的粒料需室温静置2小时以上,
第二步:发泡,将静置好的颗粒称取适当的量放入高温高压的模具中发泡,模具温度165-170度,发泡台压力150kg/cm2,发泡时间45-50秒/mm,发泡后的半成品需在常温下冷却4小时;
第三步:打磨,将冷却好的半成品用卧式倒台清扫其表面,将表面污垢和死料清扫干净,
第四步:模压成型,将清扫完成后的半成品放入中底成型模具进行模压,模温(热模170-175度,冷模20-25度),模压时间(加热350秒,冷却420秒)。
实施例2
一种发泡注射中底,按重量比,其原料包括:
制备方法参见实施例1
实施例3
一种发泡注射中底,按重量比,其原料包括:
制备方法参见实施例1
实施例1的产品性能见下表:
检测项目 结果
硬度℃ 46
拉力强度MPa 2.31
延伸率% 320%
撕裂强度kg/cm 19.1
比重g/cc 0.215
耐黄试验 4
反弹 67%
收缩 1.81%
压缩率 15%

Claims (5)

1.一种发泡注射中底,按重量比,其原料包括:
2.一种发泡注射中底,按重量比,其原料包括:
3.一种发泡注射中底,按重量比,其原料包括:
4.一种发泡注射中底,按重量比,其原料包括:
5.如权利要求1至4任一项所述的发泡注射中底的制造方法,包括如下步骤:
第一步:将称好的主材EVAC、TPE、SBBS、TPU、OBCS,填充材料,催化剂、著色剂、润滑剂按比例投放密炼机混炼6-8分钟,温度升温至95-100度时加入交联剂和发泡剂,混炼1-2分钟,温度110度出料投入开炼机,先翻厚一次,厚度3-4mm,再束薄二次,每次厚度1-1.5mm,再翻厚一次,厚度3-4mm,再投入单螺杆挤出造粒机,造粒机模头温度80度,炮管温度75度,粒径2.5-3mm,造好的粒料需室温静置2小时以上,
第二步:将静置好的颗粒称取适当的量放入高温高压的模具中发泡,模具温度165-170度,发泡台压力150kg/cm2,发泡时间45-50秒/mm,发泡后的半成品在常温下冷却4小时;
第三步:打磨,将冷却好的半成品用卧式倒台清扫其表面,将表面污垢和死料清扫干净,
第四步:模压成型,将清扫完成后的半成品放入中底成型模具进行模压,热模170-175度,冷模20-25度,加热320-380秒,冷却400-450秒。
CN201410794590.XA 2014-12-18 2014-12-18 发泡注射中底及其制造方法 Pending CN104403191A (zh)

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CN105385015A (zh) * 2015-12-17 2016-03-09 茂泰(福建)鞋材有限公司 一种超轻eva鞋底及其制备方法
EP2998346A1 (en) * 2014-09-19 2016-03-23 A.P.I. Applicazioni Plastiche Industriali S.P.A. Compounds based on crosslinkable polyolefins and thermoplastic polyurethanes
CN106947151A (zh) * 2017-01-18 2017-07-14 泉州嘉泰鞋业有限公司 一种复合发泡材料注射高反弹抗衰竭中底及其制造方法
CN107746482A (zh) * 2017-01-18 2018-03-02 泉州嘉泰鞋业有限公司 橡胶微发泡注射大底及其制造方法
CN108864557A (zh) * 2018-05-29 2018-11-23 福建师范大学 一种运动鞋底用超轻注射离子/共价交联闭孔式发泡聚合物材料及其制备方法
CN110204822A (zh) * 2019-05-29 2019-09-06 华侨大学 一种eva发泡材料及其制备方法

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2998346A1 (en) * 2014-09-19 2016-03-23 A.P.I. Applicazioni Plastiche Industriali S.P.A. Compounds based on crosslinkable polyolefins and thermoplastic polyurethanes
CN105385015A (zh) * 2015-12-17 2016-03-09 茂泰(福建)鞋材有限公司 一种超轻eva鞋底及其制备方法
CN105385015B (zh) * 2015-12-17 2018-03-30 茂泰(福建)鞋材有限公司 一种超轻eva鞋底及其制备方法
CN106947151A (zh) * 2017-01-18 2017-07-14 泉州嘉泰鞋业有限公司 一种复合发泡材料注射高反弹抗衰竭中底及其制造方法
CN107746482A (zh) * 2017-01-18 2018-03-02 泉州嘉泰鞋业有限公司 橡胶微发泡注射大底及其制造方法
CN106947151B (zh) * 2017-01-18 2018-08-10 泉州嘉泰鞋业有限公司 一种复合发泡材料注射高反弹抗衰竭中底及其制造方法
CN108864557A (zh) * 2018-05-29 2018-11-23 福建师范大学 一种运动鞋底用超轻注射离子/共价交联闭孔式发泡聚合物材料及其制备方法
CN108864557B (zh) * 2018-05-29 2021-04-20 福建师范大学 一种运动鞋底用超轻注射离子/共价交联闭孔式发泡聚合物材料及其制备方法
CN110204822A (zh) * 2019-05-29 2019-09-06 华侨大学 一种eva发泡材料及其制备方法
CN110204822B (zh) * 2019-05-29 2021-12-03 华侨大学 一种eva发泡材料及其制备方法

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