Lamination packaging material

A technology for packaging materials and thermoplastic materials, applied in the field of laminated packaging materials, can solve problems such as energy waste, raw material waste, etc., and achieve the effects of reducing necking phenomenon, high qualification rate, and restraining energy and raw material waste phenomenon.

Inactive Publication Date: 2015-04-08
TAIZHOU ZHUYE MACHINERY SCI & TECH
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

All three solutions require the extruder die to be much wider than the width of the paper substrate and barrier layers, requiring more heat to heat and melt the thermoplastic material, wasting energy, and cutting off after lamination is complete Defects on both sides of packaging materials, resulting in waste of raw materials

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Lamination packaging material
  • Lamination packaging material
  • Lamination packaging material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] Such as figure 2 As shown, a laminated packaging material of the present invention comprises an outermost layer 21 of thermoplastic material, a core layer 22, an intermediate layer 23 of thermoplastic material, a barrier layer 24, an adhesive layer 25 and an innermost layer 26 of thermoplastic material from outside to inside.

[0023] The adhesive layer 25 comprises metallocene catalyst polymerized linear low density polyethylene (MLLDPE) and low density polyethylene (LDPE), wherein the metallocene catalyst polymerized linear low density polyethylene (mLLDPE) has the following parameters: the average density is 0.88g / cm 3 ~0.925g / cm 3 , Melt flow index (190℃, 2.16kg) is 5g / 10min~20g / 10min, peak melting point is 85℃~130℃, expansion ratio is 1.2~1.8; low density polyethylene (LDPE) has the following parameters: average density 0.90g / cm 3 ~0.925g / cm 3 , Melt flow index (190℃, 2.16kg) is 5g / 10min~20g / 10min, peak melting point is 85℃~110℃, expansion ratio is 1.2~1.8, lo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
densityaaaaaaaaaa
densityaaaaaaaaaa
densityaaaaaaaaaa
Login to view more

Abstract

The invention provides a lamination packaging material which comprises an outermost thermoplastic material layer, a core layer, an intermediate thermoplastic material layer, a barrier layer, an adhesive layer and an innermost thermoplastic material layer from outside to inside, wherein the adhesive layer comprises metalloscene catalyst polymerized linear low-density polyethylene (MLLDPE) and low-density polyethylene (LDPE), wherein the mLLDPE has the following parameters: the average density is 0.88g / cm<3>-0.925g / cm<3>, the melt index (190 DEG C, 2.16kg) is 5g / 10min-20g / 10min, the peak melting point is 85 DEG C-130DEG C, and the expansion ratio is 1.2-1.8; and the LDPE has the following parameters: the average density is 0.90g / cm<3>-0.925g / cm<3>, the melt index (190 DEG C, 2.16kg) is 5g / 10min-20g / 10min, the peak melting point is 85 DEG C-110DEG C, and the expansion ratio is 1.2-1.8. During the process for manufacturing a packaging container by using the lamination packaging material provided by the invention, a longitudinal sealing part can be subjected to heat sealing rapidly, so as to obtain the packaging container with good sealing intensity, and the manufactured container has high yield and long durability time for liquid food.

Description

technical field [0001] The invention relates to a laminated packaging material, in particular to a laminated packaging material for packaging liquid food. Background technique [0002] At present, disposable disposable packaging containers for liquid food have shapes such as bricks, squares, triangles, octahedrons with hexagonal cross-sections, and pillows. Usually, the laminated packaging materials used to manufacture these packaging containers include sequential layers. The outermost layer of thermoplastic material, the core layer, the middle layer of thermoplastic material, the barrier layer, the adhesive layer and the innermost layer of thermoplastic material, and there are also low-density polyethylene (LDPE) / printing ink layer / paper ( fiber) base layer / LDPE / aluminum foil AL / LDPE / LDPE, LDPE / printing ink layer / paper base layer / LDPE / LDPE, printing ink layer / LDPE / paper base layer / LDPE / LDPE, such as LDPE / printing ink layer / paper Laminated packaging materials with multi-lay...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): B32B7/12C09J123/06C09J123/08B65D65/40
Inventor 吴壮
Owner TAIZHOU ZHUYE MACHINERY SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap