CN104119573B - A kind of preparation method of environmental-friendpacking packing material - Google Patents

A kind of preparation method of environmental-friendpacking packing material Download PDF

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CN104119573B
CN104119573B CN201410288831.3A CN201410288831A CN104119573B CN 104119573 B CN104119573 B CN 104119573B CN 201410288831 A CN201410288831 A CN 201410288831A CN 104119573 B CN104119573 B CN 104119573B
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packing material
environmental
temperature
preparation
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CN104119573A (en
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朱国
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Shandong Xinghai Industrial Company Limited
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Qingdao Guoxinghai Industrial Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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Abstract

The present invention relates to the preparation method of a kind of environmental-friendpacking packing material, the preparation method of described environmental-friendpacking packing material comprises the steps: that (1) takes microcrystalline Cellulose, soybean fiber, etherification starch, glycerol, microcrystalline Cellulose, soybean fiber, etherification starch, four kinds of materials of glycerol are put in constant temperature high speed vortex mixer, carry out mixing at a high speed, till reaching uniformly；(2) in constant temperature high speed vortex mixer, add calcium propionate, cross-linked hydroxypropyl base esterification starch again, after adding calcium propionate and cross-linked hydroxypropyl base esterification starch, then carry out mixed at high speed stirring；(3) being taken out from super mixer by mixing material, carry out extruder grain, fashion of extrusion processes for using twin-screw extruder；(4), after extruder grain, thin film is become by re-compacted for particle；(5) environment-friendly type film packing material hot-stretch is processed, for the environmental-friendpacking packing material of preparation after stretch processing.

Description

A kind of preparation method of environmental-friendpacking packing material
Technical field
The present invention relates to the preparation method of a kind of packaging material, particularly relate to the preparation method of a kind of environmental-friendpacking packing material.
Background technology
Along with rapid development of economy, the pollution that industrialization is brought also gets more and more.Packaging material, in preparation process, also can produce a lot of pollutions.The a lot of all not environment friendly types of the packaging material additionally prepared.Such as a lot of packaging material inherently have bigger pollution to environment, and also are not easily decomposed, and along with society and people are more and more higher to the concern of environment, environmental-friendpacking packing material is ready to appear.
Environmental-friendpacking packing material is on the premise of free from environmental pollution, if having higher hot strength and higher tensile modulus of elasticity, the use of packaging material can be effectively met, its pollution to environment can also be effectively reduced or eliminate while improving the quality of packaging material.
Summary of the invention
Solve the technical problem that: the hot strength of conventional environmental-friendpacking packing material is relatively low, and its tensile modulus of elasticity is relatively low simultaneously, it is impossible to the problem preferably meeting reality application.
Technical scheme: the invention discloses the preparation method of a kind of environmental-friendpacking packing material, the preparation method of described environmental-friendpacking packing material comprises the steps:
(1) constant temperature high speed vortex mixer temperature is set as 140 DEG C, take microcrystalline Cellulose, soybean fiber, etherification starch, glycerol, microcrystalline Cellulose, soybean fiber, etherification starch, four kinds of materials of glycerol are put in constant temperature high speed vortex mixer, carry out mixing at a high speed, till reaching uniformly；
(2) in constant temperature high speed vortex mixer, add calcium propionate, cross-linked hydroxypropyl base esterification starch again, after adding calcium propionate and cross-linked hydroxypropyl base esterification starch, high speed vortex mixer temperature is reduced to 120 DEG C, then carries out mixed at high speed stirring；
(3) being taken out from super mixer by mixing material, carry out extruder grain, fashion of extrusion is for using twin-screw extruder to process, and during extruding, first paragraph temperature is 165 DEG C～170 DEG C, and second segment temperature is 185 DEG C～190 DEG C, and the 3rd section of temperature is 215 DEG C～220 DEG C；
(4) after extruder grain, becoming thin film by re-compacted for particle, during compacting, temperature is 150 DEG C；
(5) hot-stretch at 140 DEG C of environment-friendly type film packing material is processed, for the environmental-friendpacking packing material of preparation after stretch processing.
The preparation method of described a kind of environmental-friendpacking packing material preferably includes following steps:
(1) constant temperature high speed vortex mixer temperature is set as 140 DEG C, take microcrystalline Cellulose be 14～19 parts, soybean fiber be 7～11 parts, etherification starch be 5～9 parts, glycerol be 4～8 parts, microcrystalline Cellulose, soybean fiber, etherification starch, four kinds of materials of glycerol are put in constant temperature high speed vortex mixer, carry out mixing at a high speed, till reaching uniformly；
(2) adding calcium propionate again in constant temperature high speed vortex mixer is 2～4 parts, and cross-linked hydroxypropyl base esterification starch is 11～14 parts, after adding calcium propionate and cross-linked hydroxypropyl base esterification starch, high speed vortex mixer temperature is reduced to 120 DEG C, then carries out mixed at high speed stirring；
(3) being taken out from super mixer by mixing material, carry out extruder grain, fashion of extrusion is for using twin-screw extruder to process, and during extruding, first paragraph temperature is 165 DEG C～170 DEG C, and second segment temperature is 185 DEG C～190 DEG C, and the 3rd section of temperature is 215 DEG C～220 DEG C；
(4) after extruder grain, becoming thin film by re-compacted for particle, during compacting, temperature is 150 DEG C；
(5) hot-stretch at 140 DEG C of environment-friendly type film packing material is processed, for the environmental-friendpacking packing material of preparation after stretch processing.
The preparation method of described a kind of environmental-friendpacking packing material, described microcrystalline Cellulose is preferably 19 parts.
The preparation method of described a kind of environmental-friendpacking packing material, described soybean fiber is preferably 7 parts.
The preparation method of described a kind of environmental-friendpacking packing material, described etherification starch is preferably 7 parts.
Beneficial effect: by the use raw material of environmental-friendpacking packing material is selected, the packaging material prepared not only environmental protection, and also possess higher hot strength and tensile modulus of elasticity, the hot strength of the environmental-friendpacking packing material of the present invention is at 276MPa to 289MPa, and tensile modulus of elasticity is 633MPa to 652MPa.
Detailed description of the invention
Embodiment 1
(1) constant temperature high speed vortex mixer temperature is set as 140 DEG C, take microcrystalline Cellulose be 14kg, soybean fiber be 11kg, etherification starch be 7kg, glycerol be 8kg, microcrystalline Cellulose, soybean fiber, etherification starch, four kinds of materials of glycerol are put in constant temperature high speed vortex mixer, carry out mixing at a high speed, till reaching uniformly；
(2) adding calcium propionate again in constant temperature high speed vortex mixer is 4kg, and cross-linked hydroxypropyl base esterification starch is 14kg, after adding calcium propionate and cross-linked hydroxypropyl base esterification starch, high speed vortex mixer temperature is reduced to 120 DEG C, then carries out mixed at high speed stirring；
(3) being taken out from super mixer by mixing material, carry out extruder grain, fashion of extrusion is for using twin-screw extruder to process, and during extruding, first paragraph temperature is 165 DEG C, and second segment temperature is 190 DEG C, and the 3rd section of temperature is 215 DEG C；
(4) after extruder grain, becoming thin film by re-compacted for particle, during compacting, temperature is 150 DEG C；
(5) hot-stretch at 140 DEG C of environment-friendly type film packing material is processed, for the environmental-friendpacking packing material of preparation after stretch processing.
Embodiment 2
(1) constant temperature high speed vortex mixer temperature is set as 140 DEG C, take microcrystalline Cellulose be 17kg, soybean fiber be 9kg, etherification starch be 9kg, glycerol be 6kg, microcrystalline Cellulose, soybean fiber, etherification starch, four kinds of materials of glycerol are put in constant temperature high speed vortex mixer, carry out mixing at a high speed, till reaching uniformly；
(2) adding calcium propionate again in constant temperature high speed vortex mixer is 2kg, and cross-linked hydroxypropyl base esterification starch is 11kg, after adding calcium propionate and cross-linked hydroxypropyl base esterification starch, high speed vortex mixer temperature is reduced to 120 DEG C, then carries out mixed at high speed stirring；
(3) being taken out from super mixer by mixing material, carry out extruder grain, fashion of extrusion is for using twin-screw extruder to process, and during extruding, first paragraph temperature is 170 DEG C, and second segment temperature is 185 DEG C, and the 3rd section of temperature is 215 DEG C；
(4) after extruder grain, becoming thin film by re-compacted for particle, during compacting, temperature is 150 DEG C；
(5) hot-stretch at 140 DEG C of environment-friendly type film packing material is processed, for the environmental-friendpacking packing material of preparation after stretch processing.
Embodiment 3
(1) constant temperature high speed vortex mixer temperature is set as 140 DEG C, take microcrystalline Cellulose be 19kg, soybean fiber be 7kg, etherification starch be 5kg, glycerol be 4kg, microcrystalline Cellulose, soybean fiber, etherification starch, four kinds of materials of glycerol are put in constant temperature high speed vortex mixer, carry out mixing at a high speed, till reaching uniformly；
(2) adding calcium propionate again in constant temperature high speed vortex mixer is 3kg, and cross-linked hydroxypropyl base esterification starch is 12kg, after adding calcium propionate and cross-linked hydroxypropyl base esterification starch, high speed vortex mixer temperature is reduced to 120 DEG C, then carries out mixed at high speed stirring；
(3) being taken out from super mixer by mixing material, carry out extruder grain, fashion of extrusion is for using twin-screw extruder to process, and during extruding, first paragraph temperature is 165 DEG C, and second segment temperature is 190 DEG C, and the 3rd section of temperature is 220 DEG C；
(4) after extruder grain, becoming thin film by re-compacted for particle, during compacting, temperature is 150 DEG C；
(5) hot-stretch at 140 DEG C of environment-friendly type film packing material is processed, for the environmental-friendpacking packing material of preparation after stretch processing.
Determine hot strength and the tensile modulus of elasticity of the environmental-friendpacking packing material of embodiment 1 to embodiment 3, result such as following table.
Embodiment 1 Embodiment 2 Embodiment 3
Hot strength (MPa) 276 289 284
Tensile modulus of elasticity (MPa) 633 652 645
The environmental-friendpacking packing material prepared has extraordinary hot strength and tensile modulus of elasticity, also reduces the packaging material pollution to environment while preferably meeting actually used needs.

Claims (1)

1. the preparation method of an environmental-friendpacking packing material, it is characterised in that the preparation method of described environmental-friendpacking packing material comprises the steps:
(1) constant temperature high speed vortex mixer temperature is set as 140 DEG C, take microcrystalline Cellulose be 19 parts, soybean fiber be 7 parts, etherification starch be 7 parts, glycerol be 4～8 parts, microcrystalline Cellulose, soybean fiber, etherification starch, four kinds of materials of glycerol are put in constant temperature high speed vortex mixer, carry out mixing at a high speed, till reaching uniformly；
(2) adding calcium propionate again in constant temperature high speed vortex mixer is 2～4 parts, and cross-linked hydroxypropyl base esterification starch is 11～14 parts, after adding calcium propionate and cross-linked hydroxypropyl base esterification starch, high speed vortex mixer temperature is reduced to 120 DEG C, then carries out mixed at high speed stirring；
(3) being taken out from super mixer by mixing material, carry out extruder grain, fashion of extrusion is for using twin-screw extruder to process, and during extruding, first paragraph temperature is 165 DEG C～170 DEG C, and second segment temperature is 185 DEG C～190 DEG C, and the 3rd section of temperature is 215 DEG C～220 DEG C；
(4) after extruder grain, becoming thin film by re-compacted for particle, during compacting, temperature is 150 DEG C；
(5) hot-stretch at 140 DEG C of environment-friendly type film packing material is processed, for the environmental-friendpacking packing material of preparation after stretch processing.
CN201410288831.3A 2014-06-26 2014-06-26 A kind of preparation method of environmental-friendpacking packing material Active CN104119573B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8449986B2 (en) * 2008-03-05 2013-05-28 Scout Materials Llc Multifunctional biocomposite additive compositions and methods
CN101463137B (en) * 2009-01-16 2011-10-26 四川大学 Method for preparing natural polymer blended membrane with ion liquid as solvent
CN101538407B (en) * 2009-04-16 2011-01-05 浙江大学 Wheat protein/methyl cellulose composite edible film and preparation method thereof
CN102382471A (en) * 2010-08-31 2012-03-21 山东万得福实业集团有限公司 Prescription of biodegradable soybean protein thermoplastic material
GB2491604A (en) * 2011-06-07 2012-12-12 Coca Cola Co Natural Fibre Material
CN103122079B (en) * 2012-09-20 2015-04-01 湖南工业大学 Starch-based composite blown film and preparation process of same

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