CN106003981A - 一种塑料薄膜制备方法 - Google Patents

一种塑料薄膜制备方法 Download PDF

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CN106003981A
CN106003981A CN201610336986.9A CN201610336986A CN106003981A CN 106003981 A CN106003981 A CN 106003981A CN 201610336986 A CN201610336986 A CN 201610336986A CN 106003981 A CN106003981 A CN 106003981A
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thin film
component
plastic thin
temperature
longitudinal stretching
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黄华
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Anhui Huibao Packing Co Ltd
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Anhui Huibao Packing Co Ltd
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Priority to CN201610336986.9A priority Critical patent/CN106003981A/zh
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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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films

Abstract

一种塑料薄膜制备方法，其特征在于塑料薄膜的配料为：聚丙烯组分为55‑95％，聚烯烃的马来酸酐接枝改性物组分为2‑30％，剂母料组分为0.5‑30％，所述的剂母料包含的防粘剂组分为0‑2％，抗静电剂组分为0‑5％，消光母料组分为0‑20％，二氧化钛和碳酸钙组分为0‑20％。本发明具有适用性更广，成本更低的纸张与塑料薄膜或塑料薄膜之间低温热封合的拉伸薄膜，该薄膜与纸张或其它薄膜复合时，不用涂布胶水，通过低温热封层与被复合的对象接触即可完成复合，复合时不会产生有毒气体等特点。

Description

一种塑料薄膜制备方法
技术领域：
本发明涉及一种塑料薄膜制备方法。
背景技术：
目前，纸塑结构对纸张的适应性较差，适用范围窄，无胶复合膜加工成本高。
发明内容：
本发明的目的在于克服现有技术的不足，提供一种适用性更广，成本更低的纸张与塑料薄膜或塑料薄膜之间低温热封合的拉伸薄膜，该薄膜与纸张或其它薄膜复合时，不用涂布胶水，通过低温热封层与被复合的对象接触即可完成复合，复合时不会产生有毒气体。
本发明的目的是这样实现的：
一种塑料薄膜制备方法，其特征在于塑料薄膜的配料为：聚丙烯组分为55-95％，聚烯烃的马来酸酐接枝改性物组分为2-30％，剂母料组分为0.5-30％，
所述的剂母料包含的防粘剂组分为0-2％，抗静电剂组分为0-5％，消光母料组分为0-20％，二氧化钛和碳酸钙组分为0-20％。
一种塑料薄膜制备方法包含以下步骤：
将配料加入相应的挤出机内180℃-280℃进行熔融、塑化，挤压并汇流于T型或衣架型模头，通过模头于180℃-280℃挤出；
将支撑层的模头挤出物经过10℃-60℃的冷却装置冷却，形成膜片；
膜片经纵向拉伸机依次进行预热、纵向拉伸和热定型，100℃-170℃预热，纵向拉伸倍率为2-6，拉伸温度为60℃-160℃，热定型的温度为90℃-170℃；
此时，至少一层低温热封层料熔融状态的树脂从另一个模头流出，同样要将聚烯烃的马来酸酐接枝改性物等配料加入相应的挤出机内进行熔融、塑化，挤压并汇流于T型或衣架型模头，通过模头挤出，与纵向拉伸后的薄膜进行热压复合再进入横向拉伸预热区域；
经100℃-190℃预热，横向拉伸倍率为6-12、拉伸温度为60℃-170℃横向拉伸，温度范围为90℃-190℃进行热定型；
对横向拉伸后复合膜的支撑层(不与低温热封层接触的那一面)的最外层进行常规电晕或火焰处理；
收卷。
具体实施方式：
一种塑料薄膜制备方法，其特征在于塑料薄膜的配料为：聚丙烯组分为55-95％，聚烯烃的马来酸酐接枝改性物组分为2-30％，剂母料组分为0.5-30％，
所述的剂母料包含的防粘剂组分为0-2％，抗静电剂组分为0-5％，消光母料组分为0-20％，二氧化钛和碳酸钙组分为0-20％。
一种塑料薄膜制备方法包含以下步骤：
将配料加入相应的挤出机内180℃-280℃进行熔融、塑化，挤压并汇流于T型或衣架型模头，通过模头于180℃-280℃挤出；
将支撑层的模头挤出物经过10℃-60℃的冷却装置冷却，形成膜片；
膜片经纵向拉伸机依次进行预热、纵向拉伸和热定型，100℃-170℃预热，纵向拉伸倍率为2-6，拉伸温度为60℃-160℃，热定型的温度为90℃-170℃；
此时，至少一层低温热封层料熔融状态的树脂从另一个模头流出，同样要将聚烯烃的马来酸酐接枝改性物等配料加入相应的挤出机内进行熔融、塑化，挤压并汇流于T型或衣架型模头，通过模头挤出，与纵向拉伸后的薄膜进行热压复合再进入横向拉伸预热区域；
经100℃-190℃预热，横向拉伸倍率为6-12、拉伸温度为60℃-170℃横向拉伸，温度范围为90℃-190℃进行热定型；
对横向拉伸后复合膜的支撑层(不与低温热封层接触的那一面)的最外层进行常规电晕或火焰处理；
收卷。

Claims (2)

1.一种塑料薄膜制备方法，其特征在于塑料薄膜的配料为：聚丙烯组分为55-95％，聚烯烃的马来酸酐接枝改性物组分为2-30％，剂母料组分为0.5-30％，
所述的剂母料包含的防粘剂组分为0-2％，抗静电剂组分为0-5％，消光母料组分为0-20％，二氧化钛和碳酸钙组分为0-20％。
2. 根据权利要求1所述的一种塑料薄膜制备方法，其特征在于包含以下步骤：
将配料加入相应的挤出机内180℃-280℃进行熔融、塑化，挤压并汇流于T型或衣架型模头，通过模头于180℃-280℃挤出；
将支撑层的模头挤出物经过10℃-60℃的冷却装置冷却，形成膜片；
膜片经纵向拉伸机依次进行预热、纵向拉伸和热定型，100℃-170℃预热，纵向拉伸倍率为2-6，拉伸温度为60℃-160℃，热定型的温度为90℃-170℃；
此时，至少一层低温热封层料熔融状态的树脂从另一个模头流出，同样要将聚烯烃的马来酸酐接枝改性物等配料加入相应的挤出机内进行熔融、塑化，挤压并汇流于T型或衣架型模头，通过模头挤出，与纵向拉伸后的薄膜进行热压复合再进入横向拉伸预热区域；
经100℃-190℃预热，横向拉伸倍率为6-12、拉伸温度为60℃-170℃横向拉伸，温度范围为90℃-190℃进行热定型；
对横向拉伸后复合膜的支撑层(不与低温热封层接触的那一面)的最外层进行常规电晕或火焰处理；
收卷。
CN201610336986.9A 2016-05-20 2016-05-20 一种塑料薄膜制备方法 Pending CN106003981A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106003995A (zh) * 2016-05-20 2016-10-12 合肥徽宝包装有限公司 一种塑料薄膜的制备工艺
CN109016678A (zh) * 2018-09-03 2018-12-18 夏敏月 一种塑料袋生产方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101148105A (zh) * 2007-08-16 2008-03-26 广东德冠包装材料有限公司 一种纸塑无胶复合用在线淋复双向拉伸聚丙烯薄膜及其制备方法
CN101298202A (zh) * 2008-06-20 2008-11-05 佛山塑料集团股份有限公司 一种纸张与塑料薄膜或塑料薄膜之间低温热封合的拉伸薄膜及制造方法
CN105773989A (zh) * 2016-03-15 2016-07-20 安徽安恒纸塑制品有限公司 一种塑料薄膜的制备工艺
CN106003995A (zh) * 2016-05-20 2016-10-12 合肥徽宝包装有限公司 一种塑料薄膜的制备工艺

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101148105A (zh) * 2007-08-16 2008-03-26 广东德冠包装材料有限公司 一种纸塑无胶复合用在线淋复双向拉伸聚丙烯薄膜及其制备方法
CN101298202A (zh) * 2008-06-20 2008-11-05 佛山塑料集团股份有限公司 一种纸张与塑料薄膜或塑料薄膜之间低温热封合的拉伸薄膜及制造方法
CN105773989A (zh) * 2016-03-15 2016-07-20 安徽安恒纸塑制品有限公司 一种塑料薄膜的制备工艺
CN106003995A (zh) * 2016-05-20 2016-10-12 合肥徽宝包装有限公司 一种塑料薄膜的制备工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106003995A (zh) * 2016-05-20 2016-10-12 合肥徽宝包装有限公司 一种塑料薄膜的制备工艺
CN109016678A (zh) * 2018-09-03 2018-12-18 夏敏月 一种塑料袋生产方法

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