CN105837914A - 一种pe人造革包装材料及其制备方法 - Google Patents

一种pe人造革包装材料及其制备方法 Download PDF

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CN105837914A
CN105837914A CN201610372364.1A CN201610372364A CN105837914A CN 105837914 A CN105837914 A CN 105837914A CN 201610372364 A CN201610372364 A CN 201610372364A CN 105837914 A CN105837914 A CN 105837914A
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顾建芳
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Tripartite Confrontation Packing Co Ltd Of Suzhou City
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Abstract

本发明公开了一种PE人造革包装材料及其制备方法,原料为:LDPE、抗氧剂、偶氮二甲酰胺、顺丁橡胶、氯丁橡胶、氧化镁、EPDM、EVA、三碱式硫酸铅和AC发泡剂;产品相对密度1.2‑1.24,拉伸强度20‑40MPa,邵氏硬度90‑110;伸长率300‑500%,耐寒‑20℃对折不断;剥离力80‑100N/2.5m,原料简单易得,制备方法简单,耐弯曲疲劳20‑40万次。

Description

一种PE人造革包装材料及其制备方法
技术领域
本发明涉及包装材料技术领域,尤其涉及一种PE人造革包装材料及其制备方法。
背景技术
包装材料是指用于制造包装容器、包装装潢、包装印刷、包装运输等满足产品包装要求所使用的材料,它即包括金属、塑料、玻璃、陶瓷、纸、竹本、野生蘑类、天然纤维、化学纤维、复合材料等主要包装材料,又包括捆扎带、装潢、印刷材料等辅助材料。
是指用于制造包装容器、包装装潢、包装印刷、包装运输等满足产品包装要求所使用的材料,它既包括金属、塑料、玻璃、陶瓷、纸、竹本、野生蘑类、天然纤维、化学纤维、复合材料等主要包装材料,又包括捆扎带、装潢、印刷材料等辅助材料。
在包装工业发展的基础上,物品的包装也得到相应的发展。从简单纸包装,到单层塑料薄膜包装,发展到复合材料的广泛使用。复合膜能使包装内含物具有保湿、保香、美观、保鲜、避光、防渗透、延长货架期等特点,因而得到迅猛发展。
人造革是一种外观、手感似皮革并可代替其使用的塑料制品。通常以织物为底基,涂覆合成树脂及各种塑料添加制成。上世纪八十年代,昂贵的皮衣皮料一般人消费不起,应市场需求,仿冒皮革的人造革一度流行起来,被广泛应用于制衣、制包。这样仿冒皮革的人造革衣服、包包一度充斥街头,满足了人们穿皮戴皮的愿望。与皮革相比,人造革易于老化磨损,因含有大量化学原料而对人身健康产生危害,而且用其制作的衣包因不耐用而逐渐失去市场,直至被其他原料取代。
一种类似皮革的塑料制品。通常以织物为底基,在其上涂布或贴覆一层树脂混合物,然后加热使之塑化,并经滚压压平或压花,即得产品。近似于天然皮革,具有柔软、耐磨等特点。根据覆盖物的种类不同,按照用途有鞋用人造革、箱包用人造革等。
我国人造革合成革工业是建国后新兴的工业,于五十年代末起步发展,是塑料工业中发展较早的行业之一。经过近几十年的建设,人造革合成革行业已具有相当的经济规模;随着国内外高科技的发展与先进工艺设备的应用,行业管理、技术水平、产品档次都有了根本性的质的飞跃,人造革合成革已发展成为日常消费制品工业中重要的行业之一,与整个加工工业同步迈入世界大国行列,是世界上的生产大国、消费大国,进出口贸易大国之一。
中国人造革合成革生产企业主要分布在珠江三角洲、长江三角洲和京、津、冀三地及湖南、山东半岛等沿海地区发达省市。全国人造革合成革规模以上企业近千家,我们对400多家企业资料分析:其中华东和中南地区的企业总量占据了60%强,江苏省、浙江两地两百多家,河北省有三十多家。根据不完全统计资料汇总:主要集中在沿海地区及省城都市地域,以温州模式发展起来的"温州合成革之都"地区就有一百多家,以江南模式形式的周庄镇人造革生产基地就有22家。
箱包革,用猪、牛皮为原料,以植物蹂或铬植结合蹂法制作,包括硬型和软型全粒面箱包及手袋革。硬型的要求粒面平滑细致,伤残少,光泽好,革身挺括、革里洁净平整,用于制作手提衣箱、旅行包等。软包革要求粒面清晰,革身柔软、丰满,涂层薄,色调自然,真皮感强,用于制作软包、手袋等。绒面软包袋革多用二层革加工制作,档次较低。
发明内容
本发明提供一种硬度高、拉伸强度高、伸长率高和撕裂强度高的PE人造革包装材料及其制备方法,解决现有包装材料硬度低和拉伸强度低等技术问题。
本发明采用以下技术方案:一种PE人造革包装材料,其原料按质量份数配比如下:LDPE100份,抗氧剂0.1-2份,偶氮二甲酰胺1.5-5.5份,顺丁橡胶10-30份,氯丁橡胶5-25份,氧化镁为2-8份,EPDM5-45份,EVA20-40份,三碱式硫酸铅0.5-2.5份,AC发泡剂1.5-5.5份。
作为本发明的一种优选技术方案:所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂0.5-1.5份,偶氮二甲酰胺2.5-4.5份,顺丁橡胶15-25份,氯丁橡胶10-20份,氧化镁为3-7份,EPDM15-35份,EVA25-35份,三碱式硫酸铅1-2份,AC发泡剂2.5-4.5份。
作为本发明的一种优选技术方案:所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂0.5份,偶氮二甲酰胺2.5份,顺丁橡胶15份,氯丁橡胶10份,氧化镁为3份,EPDM15份,EVA25份,三碱式硫酸铅1份,AC发泡剂2.5份。
作为本发明的一种优选技术方案:所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂1.5份,偶氮二甲酰胺4.5份,顺丁橡胶25份,氯丁橡胶20份,氧化镁为7份,EPDM35份,EVA35份,三碱式硫酸铅2份,AC发泡剂4.5份。
作为本发明的一种优选技术方案:所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂1份,偶氮二甲酰胺3.5份,顺丁橡胶20份,氯丁橡胶15份,氧化镁为5份,EPDM25份,EVA30份,三碱式硫酸铅1.5份,AC发泡剂3.5份。
作为本发明的一种优选技术方案:所述抗氧剂采用抗氧剂CA或抗氧剂DLTP。
一种制备所述的PE人造革包装材料的方法,步骤为:
第一步:将氯丁橡胶和顺丁橡胶在30-40℃冷辊炼胶,辊距0.5mm,加入剩余原料,投入捏合机中,升温至100-120℃,捏合10-30min;
第二步:将LDPE投入高速混合机中,升温至100-120℃,加入剩余原料,升温至120-140℃,混合速度800-1000r/min,混合10-30min;
第三步:二辊塑炼温度90-100℃,三辊压延温度上辊90-100℃,中辊100-110℃,下辊110-120℃,发泡层厚度0.1-0.3mm,发泡温度200-220℃。
有益效果
本发明所述一种PE人造革包装材料及其制备方法采用以上技术方案与现有技术相比,具有以下技术效果:1、产品相对密度1.2-1.24,拉伸强度20-40MPa,邵氏硬度90-110;2、伸长率300-500%,耐寒-20℃对折不断;3、剥离力80-100N/2.5m,原料简单易得,制备方法简单,耐弯曲疲劳20-40万次,可以广泛生产并不断代替现有材料。
具体实施方式
以下结合实例对本发明作进一步的描述,实施例仅用于对本发明进行说明,并不构成对权利要求范围的限制,本领域技术人员可以想到的其他替代手段,均在本发明权利要求范围内。
实施例1:
第一步:按照质量份数配比称取LDPE100份,抗氧剂DLTP0.1份,偶氮二甲酰胺1.5份,顺丁橡胶10份,氯丁橡胶5份,氧化镁为2份,EPDM5份,EVA20份,三碱式硫酸铅0.5份,AC发泡剂1.5份。
第二步:将氯丁橡胶和顺丁橡胶在30℃冷辊炼胶,辊距0.5mm,加入剩余原料,投入捏合机中,升温至100℃,捏合10min。
第三步:二辊塑炼温度90℃,三辊压延温度上辊90℃,中辊100℃,下辊110℃,发泡层厚度0.1mm,发泡温度200℃。
产品相对密度1.2,拉伸强度20MPa,邵氏硬度90;伸长率300%,耐寒-20℃对折不断;剥离力80N/2.5m,原料简单易得,制备方法简单,耐弯曲疲劳20万次。
实施例2:
第一步:按照质量份数配比称取LDPE100份,抗氧剂DLTP2份,偶氮二甲酰胺5.5份,顺丁橡胶30份,氯丁橡胶25份,氧化镁为8份,EPDM45份,EVA40份,三碱式硫酸铅2.5份,AC发泡剂5.5份。
第二步:将氯丁橡胶和顺丁橡胶在40℃冷辊炼胶,辊距0.5mm,加入剩余原料,投入捏合机中,升温至120℃,捏合30min。
第三步:二辊塑炼温度100℃,三辊压延温度上辊100℃,中辊110℃,下辊120℃,发泡层厚度0.3mm,发泡温度220℃。
产品相对密度1.21,拉伸强度25MPa,邵氏硬度95;伸长率350%,耐寒-20℃对折不断;剥离力85N/2.5m,原料简单易得,制备方法简单,耐弯曲疲劳25万次。
实施例3:
第一步:按照质量份数配比称取LDPE100份,抗氧剂CA0.5份,偶氮二甲酰胺2.5份,顺丁橡胶15份,氯丁橡胶10份,氧化镁为3份,EPDM15份,EVA25份,三碱式硫酸铅1份,AC发泡剂2.5份。
第二步:将氯丁橡胶和顺丁橡胶在30℃冷辊炼胶,辊距0.5mm,加入剩余原料,投入捏合机中,升温至100℃,捏合10min。
第三步:二辊塑炼温度90℃,三辊压延温度上辊90℃,中辊100℃,下辊110℃,发泡层厚度0.1mm,发泡温度200℃。
产品相对密度1.22,拉伸强度30MPa,邵氏硬度100;伸长率400%,耐寒-20℃对折不断;剥离力90N/2.5m,原料简单易得,制备方法简单,耐弯曲疲劳30万次。
实施例4:
第一步:按照质量份数配比称取LDPE100份,抗氧剂CA1.5份,偶氮二甲酰胺4.5份,顺丁橡胶25份,氯丁橡胶20份,氧化镁为7份,EPDM35份,EVA35份,三碱式硫酸铅2份,AC发泡剂4.5份。
第二步:将氯丁橡胶和顺丁橡胶在40℃冷辊炼胶,辊距0.5mm,加入剩余原料,投入捏合机中,升温至120℃,捏合30min。
第三步:二辊塑炼温度100℃,三辊压延温度上辊100℃,中辊110℃,下辊120℃,发泡层厚度0.3mm,发泡温度220℃。
产品相对密度1.23,拉伸强度35MPa,邵氏硬度105;伸长率450%,耐寒-20℃对折不断;剥离力95N/2.5m,原料简单易得,制备方法简单,耐弯曲疲劳35万次。
实施例5:
第一步:按照质量份数配比称取LDPE100份,抗氧剂CA1份,偶氮二甲酰胺3.5份,顺丁橡胶20份,氯丁橡胶15份,氧化镁为5份,EPDM25份,EVA30份,三碱式硫酸铅1.5份,AC发泡剂3.5份。
第二步:将氯丁橡胶和顺丁橡胶在35℃冷辊炼胶,辊距0.5mm,加入剩余原料,投入捏合机中,升温至110℃,捏合20min。
第三步:二辊塑炼温度95℃,三辊压延温度上辊95℃,中辊105℃,下辊115℃,发泡层厚度0.2mm,发泡温度210℃。
产品相对密度1.24,拉伸强度40MPa,邵氏硬度110;伸长率500%,耐寒-20℃对折不断;剥离力100N/2.5m,原料简单易得,制备方法简单,耐弯曲疲劳40万次。

Claims (7)

1.一种PE人造革包装材料,其特征在于,所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂0.1-2份,偶氮二甲酰胺1.5-5.5份,顺丁橡胶10-30份,氯丁橡胶5-25份,氧化镁为2-8份,EPDM5-45份,EVA20-40份,三碱式硫酸铅0.5-2.5份,AC发泡剂1.5-5.5份。
2.根据权利要求1所述的一种PE人造革包装材料,其特征在于,所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂0.5-1.5份,偶氮二甲酰胺2.5-4.5份,顺丁橡胶15-25份,氯丁橡胶10-20份,氧化镁为3-7份,EPDM15-35份,EVA25-35份,三碱式硫酸铅1-2份,AC发泡剂2.5-4.5份。
3.根据权利要求1所述的一种PE人造革包装材料,其特征在于,所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂0.5份,偶氮二甲酰胺2.5份,顺丁橡胶15份,氯丁橡胶10份,氧化镁为3份,EPDM15份,EVA25份,三碱式硫酸铅1份,AC发泡剂2.5份。
4.根据权利要求1所述的一种PE人造革包装材料,其特征在于,所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂1.5份,偶氮二甲酰胺4.5份,顺丁橡胶25份,氯丁橡胶20份,氧化镁为7份,EPDM35份,EVA35份,三碱式硫酸铅2份,AC发泡剂4.5份。
5.根据权利要求1所述的一种PE人造革包装材料,其特征在于,所述PE人造革包装材料的原料按质量份数配比如下:LDPE100份,抗氧剂1份,偶氮二甲酰胺3.5份,顺丁橡胶20份,氯丁橡胶15份,氧化镁为5份,EPDM25份,EVA30份,三碱式硫酸铅1.5份,AC发泡剂3.5份。
6.根据权利要求1所述的一种PE人造革包装材料,其特征在于:所述抗氧剂采用抗氧剂CA或抗氧剂DLTP。
7.一种制备权利要求1所述的PE人造革包装材料的方法,其特征在于,包括如下步骤:
第一步:按照质量份数配比称取LDPE、抗氧剂、偶氮二甲酰胺、顺丁橡胶、氯丁橡胶、氧化镁、EPDM、EVA、三碱式硫酸铅和AC发泡剂;
第二步:将氯丁橡胶和顺丁橡胶在30-40℃冷辊炼胶,辊距0.5mm,加入剩余原料,投入捏合机中,升温至100-120℃,捏合10-30min;
第三步:二辊塑炼温度90-100℃,三辊压延温度上辊90-100℃,中辊100-110℃,下辊110-120℃,发泡层厚度0.1-0.3mm,发泡温度200-220℃。
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