CN111660640A - 一种可降解包装产品 - Google Patents
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- 239000002994 raw material Substances 0.000 claims abstract description 29
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- 239000002131 composite material Substances 0.000 claims abstract description 14
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- 229920002472 Starch Polymers 0.000 claims description 6
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- 235000019698 starch Nutrition 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 5
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- 238000000034 method Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 239000011091 composite packaging material Substances 0.000 abstract description 5
- 239000005022 packaging material Substances 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 description 52
- 229920000573 polyethylene Polymers 0.000 description 52
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- -1 Polyethylene Polymers 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
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- 239000002356 single layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
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- 238000001782 photodegradation Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
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Abstract
本发明公开了一种可降解包装产品,涉及包装技术领域,所述可降解包装产品包括可降解PE膜以及与可降解PE膜复合的其他包装基材。所述一种可降解包装产品的可降解PE膜制备方法包括以下具体步骤:(1)原料选取、(2)熔融搅拌、(3)流延成膜、(4)复合加工。本发明的可降解包装产品采用可降解PE膜可其他包装基材进行复合加工,形成复合包装材料,可降解PE膜具有可降解的特性,经降解后对环境无影响,是一种无污染的包装材料,因此采用该类可降解PE膜与纸等材料进行复合可制成可降解的复合包装材料,对阻隔性要求高的降解包装材料,可采取用纸镀铝或PE镀铝进行复合得到阻隔性更高的包装材料,而可替代目前常使用的VMPET等材料。
Description
技术领域
本发明涉及包装技术领域,具体为一种可降解包装产品。
背景技术
PE保护膜,全名为Polyethylene,是结构最简单的高分子有机化合物,当今世界应用最广泛的高分子材料。PE保护膜以特殊聚乙烯(PE)塑料薄膜为基材,根据密度的不同分为高密度聚乙烯保护膜、中密度聚乙烯和低密度聚乙烯。
现在塑料包装产品一般无法降解,容易造成环境污染,而纸质包装产品使用性能较差,耐热性不足,而普通的单层PE膜阻隔性要求难以满足人们的使用需求,为此,我们提出一种可降解包装产品。
发明内容
本发明的目的在于解决现在塑料包装产品一般无法降解,容易造成环境污染,而纸质包装产品使用性能较差,耐热性不足,而普通的单层PE膜阻隔性要求难以满足人们的使用需求的问题。
为实现上述目的,本发明提供如下技术方案:一种可降解包装产品,所述可降解包装产品包括:可降解PE膜以及与可降解PE膜复合的其他包装基材。
优选地,所述一种可降解包装产品的可降解PE膜制备方法包括以下具体步骤:
(1)、原料选取;
(2)、熔融搅拌;
(3)、流延成膜;
(4)、复合加工。
优选的,所述(1)原料选取,按重量份称取PE树脂50-60份、降解淀粉5-15份、光降解添加剂0.5-1份,助溶剂0.2-0.5份,纤维素8-12份,作为可降解PE膜的原料。
优选的,所述(2)熔融搅拌,将配比好的原料加入到搅拌装置中加热并进行充分搅拌,使得搅拌均匀形成熔体。
优选的,所述(3)流延成膜,通过挤出机挤出原料熔体,然后通过流延机将熔体原料加工形成PE膜,并对该PE膜进行冷却、牵引和卷取,形成可降解PE膜成品。
优选的,所述(4)复合加工,将该可降解PE膜成品与其他包装基材进行热压复合,形成可降解包装产品。
优选的,所述可降解PE膜阻隔性相关的透氧量≤200cm3/㎡24h,透湿量≤7g/㎡24h。
优选的,所述与可降解PE膜进行复合的其他包装基材包括但不限于纸镀铝或PE镀铝。
本发明提供了一种可降解包装产品,具备以下有益效果:
该一种可降解包装产品采用可降解PE膜可其他包装基材进行复合加工,形成复合包装材料,可降解PE膜具有可降解的特性,经降解后对环境无影响,是一种无污染的包装材料,因此采用该类可降解PE膜与纸等材料进行复合可制成可降解的复合包装材料,对于阻隔性要求高的降解包装材料,可采取用纸镀铝或PE镀铝进行复合得到阻隔性更高的包装材料,从而替代目前常使用的VMPET等材料,并且该PE膜采用PE树脂作为主材料,具有一定的耐热性,添加有降解淀粉和光降解添加剂使得该PE膜具备可降解的特性,本发明制备的包装产品可降解,制备步骤简单环保,适用性广泛。
具体实施方式
下面将结合本发明的具体实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。
本发明提供技术方案:一种可降解包装产品,所述可降解包装产品包括:可降解PE膜以及与可降解PE膜复合的其他包装基材;所述可降解PE膜阻隔性相关的透氧量≤200cm3/㎡24h,透湿量≤7g/㎡24h,所述与可降解PE膜进行复合的其他包装基材包括但不限于纸镀铝或PE镀铝;
所述一种可降解包装产品的可降解PE膜制备方法包括以下具体步骤:
(1)、原料选取;
(2)、熔融搅拌;
(3)、流延成膜;
(4)、复合加工。
实施例一:
优选的,所述(1)原料选取,按重量份称取PE树脂55-58份、降解淀粉6-12份、光降解添加剂0.6-0.8份,助溶剂0.2-0.5份,纤维素8-10份,作为可降解PE膜的原料。
优选的,所述(2)熔融搅拌,将配比好的原料加入到搅拌装置中加热并进行充分搅拌,使得搅拌均匀形成熔体。
优选的,所述(3)流延成膜,通过挤出机挤出原料熔体,然后通过流延机将熔体原料加工形成PE膜,并对该PE膜进行冷却、牵引和卷取,形成可降解PE膜成品。
优选的,所述(4)复合加工,将该可降解PE膜成品与纸袋纸进行热压复合,形成可降解包装产品。
实施例二:
优选的,所述(1)原料选取,按重量份称取PE树脂52-55份、降解淀粉7-10份、光降解添加剂0.5-0.7份,助溶剂0.2-0.4份,纤维素8-9份,作为可降解PE膜的原料。
优选的,所述(2)熔融搅拌,将配比好的原料加入到搅拌装置中加热并进行充分搅拌,使得搅拌均匀形成熔体。
优选的,所述(3)流延成膜,通过挤出机挤出原料熔体,然后通过流延机将熔体原料加工形成PE膜,并对该PE膜进行冷却、牵引和卷取,形成可降解PE膜成品。
优选的,所述(4)复合加工,将该可降解PE膜成品与纸镀铝进行热压复合,形成可降解包装产品。
实施例三:
优选的,所述(1)原料选取,按重量份称取PE树脂56-60份、降解淀粉8-15份、光降解添加剂0.7-0.9份,助溶剂0.3-0.5份,纤维素9-11份,作为可降解PE膜的原料。
优选的,所述(2)熔融搅拌,将配比好的原料加入到搅拌装置中加热并进行充分搅拌,使得搅拌均匀形成熔体。
优选的,所述(3)流延成膜,通过挤出机挤出原料熔体,然后通过流延机将熔体原料加工形成PE膜,并对该PE膜进行冷却、牵引和卷取,形成可降解PE膜成品。
优选的,所述(4)复合加工,将该可降解PE膜成品与PE镀铝进行热压复合,形成可降解包装产品。
以上,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (8)
1.一种可降解包装产品,其特征在于,所述可降解包装产品包括可降解PE膜以及与可降解PE膜复合的其他包装基材。
2.根据权利要求1所述的一种可降解包装产品,其特征在于,所述一种可降解包装产品的可降解PE膜制备方法包括以下具体步骤:
(1)、原料选取;
(2)、熔融搅拌;
(3)、流延成膜;
(4)、复合加工。
3.根据权利要求2所述的一种可降解包装产品,其特征在于,所述(1)原料选取,按重量份称取PE树脂50-60份、降解淀粉5-15份、光降解添加剂0.5-1份,助溶剂0.2-0.5份,纤维素8-12份,作为可降解PE膜的原料。
4.根据权利要求2所述的一种可降解包装产品,其特征在于,所述(2)熔融搅拌,将配比好的原料加入到搅拌装置中加热并进行充分搅拌,使得搅拌均匀形成熔体。
5.根据权利要求2所述的一种可降解包装产品,其特征在于,所述(3)流延成膜,通过挤出机挤出原料熔体,然后通过流延机将熔体原料加工形成PE膜,并对该PE膜进行冷却、牵引和卷取,形成可降解PE膜成品。
6.根据权利要求2所述的一种可降解包装产品,其特征在于,所述(4)复合加工,将该可降解PE膜成品与其他包装基材进行热压复合,形成可降解包装产品。
7.根据权利要求1所述的一种可降解包装产品,其特征在于:所述可降解PE膜阻隔性相关的透氧量≤200cm3/㎡24h,透湿量≤7g/㎡24h。
8.根据权利要求1所述的一种可降解包装产品,其特征在于:所述与可降解PE膜进行复合的其他包装基材包括但不限于纸镀铝或PE镀铝。
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CN1205346A (zh) * | 1998-02-25 | 1999-01-20 | 李嘉琛 | 可控光生物全降解塑料 |
CN1631958A (zh) * | 2004-11-04 | 2005-06-29 | 沈阳化工学院 | 聚乙烯纳米抗菌及可控光、生物双降解塑料薄膜及其制备方法 |
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