CN112391035A - 聚酯膜及其制造方法 - Google Patents
聚酯膜及其制造方法 Download PDFInfo
- Publication number
- CN112391035A CN112391035A CN201910880174.4A CN201910880174A CN112391035A CN 112391035 A CN112391035 A CN 112391035A CN 201910880174 A CN201910880174 A CN 201910880174A CN 112391035 A CN112391035 A CN 112391035A
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- recycled
- polyester
- polyester resin
- raw material
- polyester film
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Classifications
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Abstract
本发明公开一种聚酯膜及其制造方法。聚酯膜的制造方法是用于回收再利用一回收塑料,其包括以下步骤:物理再制一部分的回收塑料,以获得一物理性回收聚酯树脂。化学再制另一部分的回收塑料,以获得一化学性回收聚酯树脂。制备一聚酯组成物,其包括物理性回收聚酯树脂以及化学性回收聚酯树脂;其中,以聚酯组成物的总重为100wt%,化学性回收聚酯树脂的重量比例为大于或等于5wt%。使用聚酯组成物成型聚酯膜;其中,以聚酯膜的总重为100wt%,物理性回收聚酯树脂和化学性回收聚酯树脂的总重为10wt%至100wt%。
Description
技术领域
本发明涉及一种聚酯膜及其制造方法,特别是涉及一种同时使用物理性回收聚酯树脂和化学性回收聚酯树脂的聚酯膜及其制造方法。
背景技术
近年来,塑料的使用量大幅增加,也因此产生了大量的塑料垃圾。由于塑料具有不易分解的特性,使得塑料的回收以及回收后的处理方式变得格外重要。
在回收塑料中,又以聚乙烯对苯二甲酸酯(polyethylene terephthalate,PET)为大宗,PET回收塑料的含量约占总回收塑料的52.4%,故以下将以PET回收塑料进行说明。面临如此大量的PET回收塑料,相关领域的技术人员不得不致力于开发PET回收塑料的处理方法。
现有技术中,最常见的PET回收方法,是通过物理(机械)的方式回收PET。首先将清洁干净的PET回收塑料切成碎片,于高温下熔融,并以压出机挤出制得PET回收粒(又称为r-PET)。
在环保要求下,又欲维持PET产品具有较多的环保回收PET粒,则需使用大量高质量回收PET粒,目前业界中,大都使用物理回收的方式回收PET,但其制作的回收粒,无法在物理回收的制程上添加滑剂、静电密着剂等功能性成分。因此,需要额外使用全新的非回收PET粒,并另添加滑剂、静电密着剂等功能性成分。
但如此一来,PET产品中PET回收粒的使用比率会下降。也就是说,现有技术中无法完全利用PET回收粒来制造新的PET产品。若PET回收粒的使用比率过低,则可能无法符合环保法规所订定的标准而获得环保标章。并且,在制造PET产品过程中新使用的PET原粒,后续仍会变成待处理的PET回收塑料,最终仍会面临需要被回收再利用的问题。
发明内容
本发明所要解决的技术问题在于,针对现有技术的不足提供一种聚酯膜的制造方法。聚酯膜的制造方法是用于回收再利用一回收塑料。聚酯膜的制造方法包括以下步骤:物理再制一部分的回收塑料,以获得一物理性回收聚酯树脂。化学再制另一部分的回收塑料,以获得一化学性回收聚酯树脂。制备一聚酯组成物,其包括物理性回收聚酯树脂以及化学性回收聚酯树脂;其中,以聚酯组成物的总重为100重量百分浓度(wt%),化学性回收聚酯树脂的重量比例为大于或等于5wt%。使用聚酯组成物成型聚酯膜;其中,以聚酯膜的总重为100wt%,物理性回收聚酯树脂和化学性回收聚酯树脂的总重为10wt%至100wt%。
优选地,以聚酯组成物的总重为100wt%,物理性回收聚酯树脂的含量为10wt%至90wt%,化学性回收聚酯树脂的含量为10wt%至90wt%。
优选地,化学再制另一部分的回收塑料的步骤进一步包括:解聚回收塑料,获得一原料混合物;以及重新聚合原料混合物,以制得化学性回收聚酯树脂。
优选地,重新聚合原料混合物的步骤进一步包括:于原料混合物中添加一静电密着剂;静电密着剂为包含碱金属或碱土金属的一复合物。
优选地,重新聚合原料混合物的步骤进一步包括:于原料混合物中添加一滑剂,再重新聚合原料混合物;滑剂为二氧化硅、聚苯乙烯、聚甲基丙烯酸甲脂、硅胶、压克力或其组合物,聚酯组成物进一步包含0.01wt%至1wt%的滑剂,以使聚酯膜的透明度为大于或等于85%,滑剂的颗粒尺寸小于2微米。
优选地,聚酯膜的雾度为小于或等于5%。
优选地,重新聚合原料混合物的步骤进一步包括:于原料混合物中,添加一颜色色料,再重新聚合原料混合物;其中,聚酯组成物进一步包含10ppm至10wt%的颜色色料。
优选地,重新聚合原料混合物的步骤进一步包括:于原料混合物中添加一白色添加物,再重新聚合原料混合物,其中,聚酯组成物中进一步包含5wt%至40wt%的白色添加物。
优选地,白色添加物选自二氧化钛、硫酸钡及碳酸钙中的至少一种。
优选地,白色添加物包含二氧化钛、硫酸钡及碳酸钙,二氧化钛占白色添加物总重的0.01wt%至80wt%,硫酸钡占白色添加物总重的0.01wt%至80wt%,碳酸钙占白色添加物总重的0.01wt%至80wt%。
优选地,重新聚合原料混合物的步骤进一步包括:于原料混合物中,添加一雾面添加物,再重新聚合原料混合物,雾面添加物为二氧化硅、硅胶、压克力或其组合物,其中,聚酯组成物中包含500ppm至20wt%的雾面添加物,以使聚酯膜的雾度为0.1%至90%。
优选地,重新聚合原料混合物的步骤进一步包括:于原料混合物中,添加一可降解材料,其中,聚酯组成物中包含5wt%至90wt%的可降解材料。
优选地,在物理再制一部分的回收塑料的步骤中,于回收塑料中添加一滑剂,滑剂的颗粒尺寸大于2微米。
优选地,在物理再制一部分的回收塑料的步骤中,于回收塑料中添加一有机添加物,有机添加物为聚乙烯、聚丙烯、聚4-甲基戊烯或其组合物。
本发明所要解决的技术问题在于,针对现有技术的不足提供一种聚酯膜。聚酯膜是由前述聚酯膜的制造方法制备而得。也就是说,聚酯膜包括10wt%至100wt%的一回收聚酯树脂,回收聚酯树脂包括一物理性回收聚酯树脂和一化学性回收聚酯树脂,以回收聚酯树脂的总重为100wt%,化学性回收聚酯树脂的重量比例为大于或等于5wt%。
为使能更进一步了解本发明的特征及技术内容,请参阅以下有关本发明的详细。
具体实施方式
以下是通过特定的具体实例说明本发明所公开有关“聚酯膜及其制造方法”的实施方式,本领域技术人员可由本说明书所公开的内容了解本发明的优点与效果。本发明可通过其他不同的具体实施例加以施行或应用,本说明书中的各项细节也可基于不同观点与应用,在不悖离本发明的构思下进行各种修改与变更。
应当可以理解的是,本文中所使用的术语“或”,应视实际情况可能包括相关联的列出项目中的任一个或者多个的组合。
为了处理大量的回收塑料,本发明提供了一种聚酯膜及其制造方法,其是利用回收聚酯树脂所制成,且具有较高的回收聚酯树脂使用比率。在本发明聚酯膜及其制造方法中,同时使用以物理再制而得的物理性回收聚酯树脂以及以化学再制而得的化学性回收聚酯树脂。更进一步来说,本发明的聚酯膜及其制造方法可完全使用回收聚酯树脂制备而得,不需另添加聚酯原粒(ester virgin resin)。
首先,为了获得可被再利用的回收塑料,待收集各式废弃塑料后,会先依据其种类、颜色及用途进行分类,并于压缩打包后运送至处理厂。于本实施例中,回收塑料的材料为PET,但不以此为限。
接着,去除回收塑料上的瓶盖、标签和黏合剂。使回收塑料上其他非回收塑料的对象分离后,破碎回收塑料。并利用浮选方式将不同材质的瓶口、衬垫和瓶身分离。于干燥后,即可获得处理后的瓶片。于其他实施例中,亦可直接购买处理后的瓶片。
然后,本发明对一部分的瓶片进行物理再制,以获得物理性回收聚酯树脂。并对另一部分的瓶片进行化学再制,以获得化学性回收聚酯树脂。
[物理再制]
物理再制的方式是先将瓶片切割,以减少熔融瓶片所需的时间和耗能。接着,将切割后的瓶片熔融混合。使用单螺杆或双螺杆押出机造粒,制得物理性回收聚酯树脂。也就是说,成型后的瓶片,依序通过切割、熔融和挤出的步骤重新塑型,使原本瓶片中的聚酯分子重新排列。值得注意的是,物理再制的过程中,聚酯分子只有重新排列并未重组,原存在于回收塑料中的成分(例如:合成聚酯时使用的金属触媒、滑剂、抗氧化剂或添加剂)仍存在于物理性回收聚酯树脂中。
另外,在物理再制的过程中,可添加一有机添加物,以制得物理性回收聚酯树脂,在制成工艺上使PET聚酯树脂与有机添加物形成不兼容的膜内孔洞,如此产生PET膜光学性质成为白色雾状,并在聚酯膜的密度降低。此有机添加物例如但不限于:聚乙烯(PE)、聚丙烯(PP)、聚4-甲基戊烯(TRX)或其组合物。
或者,在物理再制的过程中,也可添加一滑剂,滑剂可以是但不限于:二氧化硅、聚苯乙烯、聚甲基丙烯酸甲脂、硅胶、压克力或其组合物,并且,滑剂的颗粒尺寸大于2微米。
[化学再制]
化学再制的方式是先将瓶片切割,以减少解聚瓶片所需的时间和耗能。接着,将瓶片投入一化学解聚液中,使聚酯分子断链,以达到使聚酯分子解聚的效果,而可获得分子链较短的聚酯单体和低聚物。于本实施例中,化学解聚液可以是包含甲酸、甲醇、乙酸、乙醇、乙二醇、丙酸、丙二酸、丙酮、丁酮、甲苯或其组合物的溶液,但不以此为限。于一较佳实施例中,化学解聚液包括乙二醇。另外,为了降低化学性回收聚酯树脂中杂质的含量,可使回收塑料在真空环境下进行解聚,以去除汽化或挥发的有机杂质,而可获得一原料混合物。
接着,对原料混合物进行分离纯化的步骤,提高原料混合物中单体和/或低聚物的含量。在于特定反应条件下,使原料混合物中的单体和/或低聚物重新聚合,可制得化学性回收聚酯树脂。换句话说,化学再制的过程中,聚酯分子可被解聚成较小单位的分子,并进一步重组聚合为新的聚酯分子。
于其他实施例中,化学性回收聚酯树脂的制备方法并不限于上述,亦可利用水解法或超临界流体法制得。水解法是使瓶片在碱性溶液中进行,通过调控一定的温度和压力,并在微波辐射的照射下,使聚酯分子完全裂解为单体。超临界流体法是使聚酯在超临界流体态的甲醇中分解成少量单体和低聚物,单体和低聚物的产率会受反应温度和反应时间影响。
并且,在重新聚合的过程中,可于原料混合物中另添加适量的添加物,以调整化学性回收聚酯树脂的特性(例如:滑性、静电密着性、雾度、颜色、降解性和/或强度)。
举例来说,在重新聚合的过程中,可通过于原料混合物中添加滑剂来提升化学性回收聚酯树脂的滑性与光学性质,以制得符合特定透明度需求的化学性回收聚酯树脂。滑剂可以是但不限于:二氧化硅、聚苯乙烯(PS)、聚甲基丙烯酸甲脂(PMMA)、硅胶、压克力或其组合物。于本实施例中,滑剂呈球形,而具有较佳的透光性。并且,滑剂的颗粒尺寸为小于2微米。
在重新聚合的过程中,可通过于原料混合物中添加雾面添加物来调整化学性回收聚酯树脂的雾度,制得符合特定雾度需求的化学性回收聚酯树脂。雾面添加物可以是但不限于:二氧化硅、有机物、硅胶、压克力或其组合物。于一较佳实施例中,雾面添加物呈球形,而可增加光线的散射。
在重新聚合的过程中,可通过于原料混合物中添加颜色色料来调整化学性回收聚酯树脂的色彩,以符合各种聚酯产品的需求。例如,添加黑色色料,可制得黑色化学性回收聚酯树脂。另外,除了色料之外,亦可添加本身具有颜色的添加物。举例来说,可通过添加白色添加物制得白色化学性回收聚酯树脂。
白色添加物可以是白色无机物,例如但不限于:二氧化钛、硫酸钡、碳酸钙或其组合物。白色添加物的添加,除了可调整化学性回收聚酯树脂的颜色之外,还可能对聚酯膜的物理性质造成影响。举例来说,二氧化钛的添加量会影响聚酯膜的雾度,而硫酸钡和碳酸钙的添加量会影响聚酯膜的表面光泽度。于一较佳实施例中,白色添加物同时包括二氧化钛、硫酸钡和碳酸钙,且二氧化钛占白色添加物总重的0.01wt%至80wt%,硫酸钡占白色添加物总重的0.01wt%至80wt%,碳酸钙占白色添加物总重的0.01wt%至80wt%。
在重新聚合的过程中,可通过于原料混合物中添加可降解材料,以降低日后需处理的塑料量。可降解材料为生物高分子、天然材料或其等之混合物。具体而言,生物高分子可以是但不限于:淀粉、纤维素、甲壳素、聚乳酸(polylactic acid,PLA)、聚乙醇酸(polyglycolic acid,PGA)、聚羟基羧酸酯(polyhydroxyalkanoate,PHA)、聚羟基丁酸酯(polyhydroxybutyrate,PHB)、聚羟基戊酸酯(polyhydroxyvalerate,PHV)、聚羟基己酸酯(polyhydroxycaproate,PHC)、聚羟基庚酸酯(polyhydroxyheptanoate,PHH)、聚羟基丁酯羟基戊酯(poly(3-hydroxybutyrate-co-3-hydroxyvalerate,PHBV)、聚己内酯(polycaprolactone,PCL)、聚丁二酸丁二醇酯(polybutylenesuccinate,PBS)、丁二酸丁二酯/己二酸丁二酯共聚物(polybutylene succinate/adipate,PBSA)、丁二酸丁二酯/对苯二甲酸丁二酯共聚物(polybutylene succinate/terephthalate,PBST)、丁二酸丁二酯/丁二酸反丁烯二醇酯共聚物(polybutylene succinate/butylene fumarate,PBAT)、聚酯碳酸酯(polyestercarbonate,PEC)、聚丁二酸乙二醇酯(polyethylene succinate,PES)、己二酸对苯二甲酸丁二酯共聚物(polybutylene adipate/terephthalate,PBAT)、己二酸对苯二甲酸四亚甲基酯(polytetramethylene adipate/terephthalate,PTMAT)、聚乙烯醇(polyvinyl alcohol,PVA)或其混合物。天然材料可以是但不限于:天然橡胶、木质素、咖啡、茶、可可、香茅、稻谷、花、姜黄、树叶、木材、甘蔗、椰壳、玉米、种子、甘藷、柚皮或其混合物。
据此,通过上述各种添加物,可制得多种具有不同特性的化学性回收聚酯树脂。再通过上述物理再制和化学再制两种不同的流程,可获得性质不同的物理性回收聚酯树脂和化学性回收聚酯树脂。如此一来,只要选用特定种类的化学性回收聚酯树脂,并调配物理性回收聚酯树脂和化学性回收聚酯树脂的用量比例,有利后续制造不同聚酯产品,例如:聚酯膜。
在物理再制和化学再制的步骤之后,本发明利用物理性回收聚酯树脂和化学性回收聚酯树脂制备一聚酯组成物。聚酯组成物包括物理性回收聚酯树脂和化学性回收聚酯树脂,通过调配特定成分比例的物理性回收聚酯树脂和化学性回收聚酯树脂,而可用于制备各种聚酯产品。为了维持聚酯产品的外观色相,以回收聚酯树脂的总重为100wt%,化学性回收聚酯树脂的重量比例为大于或等于5wt%。并可依聚酯膜的需求和用途选用具有不同特性的化学性回收聚酯树脂。
举例来说,当制备透明聚酯膜时,可使用特定的化学性或物理性回收聚酯树脂作为基底,使聚酯组成物(包含物理性回收聚酯树脂以及化学性回收聚酯树脂)中包含0.01wt%至1wt%的滑剂。也就是将滑剂混入化学性回收聚酯树脂之后,再调控化学性回收聚酯树脂和物理性回收聚酯树脂的用量,进而使聚酯组成物中包含0.01wt%至1wt%的滑剂。于本实施例中,制得的透明聚酯膜的透明度大于或等于85%。若再进一步调控滑剂的添加成分和含量,可使聚酯膜的雾度为小于或等于5%。
当制备多色聚酯膜时,可使用特定的化学性回收或物理性回收聚酯树脂作为基底,使聚酯组成物中包含10ppm至10wt%的颜色色料。举例来说,若制备黑色聚酯膜时,可使聚酯组成物中包含10ppm至10wt%的黑色色料。另外,除了色料之外,在制备多色聚酯膜时,亦可使聚酯组成物中包含其他有色添加物。举例来说,若要制备白色聚酯膜,可使聚酯组成物中包含5wt%至40wt%的白色添加物。如前所述,聚酯膜的雾度和表面光泽度也会受到白色添加物的成分含量比例影响。于一较佳实施例中,以白色添加物的总重为100wt%,二氧化钛的含量为0.01wt%至80wt%,硫酸钡的含量为0.01wt%至80wt%,碳酸钙的含量为0.01wt%至80wt%。
当制备雾面聚酯膜时,可使用特定的化学性或物理性回收聚酯树脂作为基底,使聚酯组成物中包含500ppm至20wt%的雾面添加物,雾面添加物可以颗粒的形式存在,而可制得雾度为0.1%至90%的雾面聚酯膜。
当制备可降解聚酯膜时,可使用特定的化学性或物理性回收聚酯树脂作为基底,使聚酯组成物中包含5wt%至90wt%的可降解材料,以提升可降解聚酯膜的降解特性。
[实施例的有益效果]
本发明的其中一有益效果在于,本发明所提供的聚酯膜及其制造方法,其能通过“制备一聚酯组成物,其包括物理性回收聚酯树脂和化学性回收聚酯树脂”以及“化学性回收聚酯树脂的重量比例为大于或等于5wt%”的技术特征,改善以往使用回收聚酯树脂所制得的聚酯产品色相不佳的问题。并可依据各种需求和用途,选用不同性质的化学性回收聚酯树脂,再通过调配物理性回收聚酯树脂和化学性回收聚酯树脂的用量,可制备得不同性质的聚酯膜。
以上所公开的内容仅为本发明的优选可行实施例,并非因此局限本发明的权利要求书的保护范围,所以凡是运用本发明说明书内容所做的等效技术变化,均包含于本发明的权利要求书的保护范围内。
Claims (15)
1.一种聚酯膜的制造方法,其特征在于,所述聚酯膜的制造方法是用于回收再利用一回收塑料,所述聚酯膜的制造方法包括:
物理再制一部分的所述回收塑料,以获得一物理性回收聚酯树脂;
化学再制另一部分的所述回收塑料,以获得一化学性回收聚酯树脂;
制备一聚酯组成物,其包括所述物理性回收聚酯树脂以及所述化学性回收聚酯树脂;其中,以所述聚酯组成物的总重为100重量百分浓度,所述化学性回收聚酯树脂的重量比例为大于或等于5重量百分浓度;以及
使用所述聚酯组成物成型所述聚酯膜;其中,以所述聚酯膜的总重为100重量百分浓度,所述物理性回收聚酯树脂和所述化学性回收聚酯树脂的总重为10重量百分浓度至100重量百分浓度。
2.根据权利要求1所述的聚酯膜的制造方法,其特征在于,以所述聚酯组成物的总重为100重量百分浓度,所述物理性回收聚酯树脂的含量为10重量百分浓度至90重量百分浓度,所述化学性回收聚酯树脂的含量为10重量百分浓度至90重量百分浓度。
3.根据权利要求1所述的聚酯膜的制造方法,其特征在于,所述化学再制另一部分的所述回收塑料的步骤进一步包括:
解聚所述回收塑料,获得一原料混合物;以及
重新聚合所述原料混合物,以制得所述化学性回收聚酯树脂。
4.根据权利要求3所述的聚酯膜的制造方法,其特征在于,所述重新聚合所述原料混合物的步骤进一步包括:于所述原料混合物中添加一静电密着剂;所述静电密着剂为包含碱金属或碱土金属的一复合物。
5.根据权利要求3所述的聚酯膜的制造方法,其特征在于,所述重新聚合所述原料混合物的步骤进一步包括:于所述原料混合物中添加一滑剂,再重新聚合所述原料混合物;所述滑剂为二氧化硅、聚苯乙烯、聚甲基丙烯酸甲脂、硅胶、压克力或其组合物,所述聚酯组成物进一步包含0.01重量百分浓度至1重量百分浓度的所述滑剂,以使所述聚酯膜的透明度为大于或等于85%,所述滑剂的颗粒尺寸小于2微米。
6.根据权利要求5所述的聚酯膜的制造方法,其特征在于,所述聚酯膜的雾度为小于或等于5%。
7.根据权利要求3所述的聚酯膜的制造方法,其特征在于,所述重新聚合所述原料混合物的步骤进一步包括:于所述原料混合物中,添加一颜色色料,再重新聚合所述原料混合物;其中,所述聚酯组成物进一步包含10ppm至10重量百分浓度的所述颜色色料。
8.根据权利要求3所述的聚酯膜的制造方法,其特征在于,所述重新聚合所述原料混合物的步骤进一步包括:于所述原料混合物中添加一白色添加物,再重新聚合所述原料混合物,其中,所述聚酯组成物中进一步包含5重量百分浓度至40重量百分浓度的所述白色添加物。
9.根据权利要求8所述的聚酯膜的制造方法,其特征在于,所述白色添加物选自二氧化钛、硫酸钡及碳酸钙中的至少一种。
10.根据权利要求9所述的聚酯膜的制造方法,其特征在于,所述白色添加物包含二氧化钛、硫酸钡及碳酸钙,二氧化钛占所述白色添加物总重的0.01重量百分浓度至80重量百分浓度,硫酸钡占所述白色添加物总重的0.01重量百分浓度至80重量百分浓度,碳酸钙占所述白色添加物总重的0.01重量百分浓度至80重量百分浓度。
11.根据权利要求3所述的聚酯膜的制造方法,其特征在于,所述重新聚合所述原料混合物的步骤进一步包括:于所述原料混合物中,添加一雾面添加物,再重新聚合所述原料混合物,所述雾面添加物为二氧化硅、硅胶、压克力或其组合物,其中,所述聚酯组成物中包含500ppm至20重量百分浓度的所述雾面添加物,以使所述聚酯膜的雾度为0.1%至90%。
12.根据权利要求3所述的聚酯膜的制造方法,其特征在于,所述重新聚合所述原料混合物的步骤进一步包括:于所述原料混合物中,添加一可降解材料,其中,所述聚酯组成物中包含5重量百分浓度至90重量百分浓度的所述可降解材料。
13.根据权利要求1所述的聚酯膜的制造方法,其特征在于,在所述物理再制一部分的所述回收塑料的步骤中,于所述回收塑料中添加一滑剂,所述滑剂的颗粒尺寸大于2微米。
14.根据权利要求1所述的聚酯膜的制造方法,其特征在于,在所述物理再制一部分的所述回收塑料的步骤中,于所述回收塑料中添加一有机添加物,所述有机添加物为聚乙烯、聚丙烯、聚4-甲基戊烯或其组合物。
15.一种聚酯膜,其特征在于,所述聚酯膜是由如权利要求1至14项中任一项所述的制造方法所制得,所述聚酯膜包括:
10重量百分浓度至100重量百分浓度的一回收聚酯树脂,所述回收聚酯树脂包括一物理性回收聚酯树脂和一化学性回收聚酯树脂,以所述回收聚酯的总重为100重量百分浓度,所述化学性回收聚酯树脂的重量比例为大于或等于5重量百分浓度。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113278262A (zh) * | 2021-03-30 | 2021-08-20 | 上海昶法新材料有限公司 | 一种银黑双色生物降解农膜及其制备方法 |
CN115322526A (zh) * | 2021-05-11 | 2022-11-11 | 南亚塑胶工业股份有限公司 | 用于射出成型的聚酯树脂组成物、其制备方法及射出成型品 |
CN116200012A (zh) * | 2023-01-29 | 2023-06-02 | 安徽华驰环保科技有限公司 | 一种可生物降解塑料薄膜生产工艺及其生产用吹膜机 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI762915B (zh) * | 2020-04-28 | 2022-05-01 | 南亞塑膠工業股份有限公司 | 具有疊層結構的聚酯膜及其製造方法 |
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TWI787602B (zh) * | 2020-04-28 | 2022-12-21 | 南亞塑膠工業股份有限公司 | 聚酯膜及其製造方法 |
TW202228972A (zh) * | 2021-01-29 | 2022-08-01 | 南亞塑膠工業股份有限公司 | 聚酯黑膜及其製造方法 |
TWI790537B (zh) * | 2021-01-29 | 2023-01-21 | 南亞塑膠工業股份有限公司 | 聚酯白膜及其製造方法 |
TWI746359B (zh) * | 2021-01-29 | 2021-11-11 | 南亞塑膠工業股份有限公司 | 聚酯薄膜及其製造方法 |
TWI765551B (zh) * | 2021-01-29 | 2022-05-21 | 南亞塑膠工業股份有限公司 | 可熱封聚酯膜 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11302443A (ja) * | 1998-04-17 | 1999-11-02 | Is:Kk | ペットボトルのリサイクル方法 |
WO2007083969A1 (en) * | 2006-01-21 | 2007-07-26 | Kwang Suck Suh | Antistatic protection films for display |
JP2011256328A (ja) * | 2010-06-11 | 2011-12-22 | Toyo Seikan Kaisha Ltd | リサイクルポリエステル含有ポリエステル構造体及びその製造方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5334894A (en) * | 1976-09-14 | 1978-03-31 | Toray Ind Inc | Preparation of polyester |
JPS5962627A (ja) * | 1982-10-01 | 1984-04-10 | Toyobo Co Ltd | ポリエステルの製造方法 |
JPH0639521B2 (ja) * | 1984-04-27 | 1994-05-25 | 東洋紡績株式会社 | ポリエステルの製造法 |
US5876644A (en) * | 1996-08-27 | 1999-03-02 | Wellman, Inc. | Food quality polyester recycling |
JP3715812B2 (ja) * | 1998-12-10 | 2005-11-16 | 株式会社アイエス | ポリエチレンテレフタレート廃棄物のケミカルリサイクル方法 |
JP2000169567A (ja) | 1998-12-11 | 2000-06-20 | Nippon Ester Co Ltd | ポリエステル樹脂の製造方法及びポリエステルフィルム |
JP2000302849A (ja) * | 1999-04-19 | 2000-10-31 | Toyobo Co Ltd | ポリエステル樹脂の製造方法 |
US6787202B2 (en) * | 2000-02-10 | 2004-09-07 | Teijin Limited | Polyester film composite, light-diffuser plate and utilization thereof |
PT1327648E (pt) * | 2000-09-12 | 2007-08-31 | Toyo Boseki | Catalizador de polimerização para poliéster, poliéster produzido com o catalizador e processo para a produção do poliéster |
US20030134915A1 (en) * | 2001-12-17 | 2003-07-17 | Scantlebury Geoffrey Raymond | Production of transparent polyester using waste |
JP3949565B2 (ja) | 2002-11-29 | 2007-07-25 | 三菱樹脂株式会社 | 熱収縮性ポリエステルフィルム及びその製造方法 |
JP2004284022A (ja) * | 2003-03-19 | 2004-10-14 | Teijin Fibers Ltd | ポリエステル廃棄物の破砕方法 |
JP2006282801A (ja) * | 2005-03-31 | 2006-10-19 | Toyobo Co Ltd | ポリエステルフィルム製造方法 |
JP4894176B2 (ja) * | 2005-06-21 | 2012-03-14 | 東洋紡績株式会社 | Petボトル再生原料を使用した熱収縮性ポリエステル系フィルムおよびラベル |
JP5716318B2 (ja) * | 2010-08-20 | 2015-05-13 | 東洋紡株式会社 | 回収ポリエステル樹脂の再生方法、およびリサイクルポリエステル樹脂を用いた成形品 |
JP5671990B2 (ja) * | 2010-12-13 | 2015-02-18 | 東洋紡株式会社 | ポリエステル樹脂の製造方法 |
US20130041053A1 (en) * | 2011-08-12 | 2013-02-14 | Eastman Chemical Company | Process for the Preparation of Polyesters with High Recycle Content |
TW201336667A (zh) * | 2011-12-16 | 2013-09-16 | Saudi Basic Ind Corp | 含有熱塑性聚酯的單軸定向膜 |
JP5911734B2 (ja) * | 2012-02-24 | 2016-04-27 | 大和製罐株式会社 | ポリエステル樹脂組成物及びその製造方法 |
TWI499612B (zh) * | 2014-04-02 | 2015-09-11 | Far Eastern New Century Corp | 製備共聚酯醚薄膜的方法及其用途 |
CN109652872B (zh) * | 2019-01-21 | 2024-01-26 | 湖北绿宇环保有限公司 | 一种聚酯废料再生系统 |
-
2019
- 2019-08-14 TW TW108128832A patent/TWI819062B/zh active
- 2019-09-18 CN CN201910880174.4A patent/CN112391035A/zh active Pending
- 2019-11-28 JP JP2019215313A patent/JP7080871B2/ja active Active
-
2020
- 2020-02-20 US US16/795,687 patent/US20210047493A1/en not_active Abandoned
- 2020-04-01 EP EP20167602.0A patent/EP3778743A1/en active Pending
-
2021
- 2021-10-19 US US17/505,205 patent/US20220041835A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11302443A (ja) * | 1998-04-17 | 1999-11-02 | Is:Kk | ペットボトルのリサイクル方法 |
WO2007083969A1 (en) * | 2006-01-21 | 2007-07-26 | Kwang Suck Suh | Antistatic protection films for display |
JP2011256328A (ja) * | 2010-06-11 | 2011-12-22 | Toyo Seikan Kaisha Ltd | リサイクルポリエステル含有ポリエステル構造体及びその製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113278262A (zh) * | 2021-03-30 | 2021-08-20 | 上海昶法新材料有限公司 | 一种银黑双色生物降解农膜及其制备方法 |
CN115322526A (zh) * | 2021-05-11 | 2022-11-11 | 南亚塑胶工业股份有限公司 | 用于射出成型的聚酯树脂组成物、其制备方法及射出成型品 |
CN116200012A (zh) * | 2023-01-29 | 2023-06-02 | 安徽华驰环保科技有限公司 | 一种可生物降解塑料薄膜生产工艺及其生产用吹膜机 |
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JP7080871B2 (ja) | 2022-06-06 |
TWI819062B (zh) | 2023-10-21 |
TW202106780A (zh) | 2021-02-16 |
US20220041835A1 (en) | 2022-02-10 |
US20210047493A1 (en) | 2021-02-18 |
JP2021031668A (ja) | 2021-03-01 |
EP3778743A1 (en) | 2021-02-17 |
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