CN104403191A - 发泡注射中底及其制造方法 - Google Patents
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
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- 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
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
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- 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
- C08J9/06—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 by a chemical blowing agent
- C08J9/10—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 by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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- C08L2205/00—Polymer mixtures characterised by other features
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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
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。
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Cited By (6)
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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)
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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