CN106977790A - A kind of environment-friendly package material and preparation method - Google Patents

A kind of environment-friendly package material and preparation method Download PDF

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Publication number
CN106977790A
CN106977790A CN201710200229.3A CN201710200229A CN106977790A CN 106977790 A CN106977790 A CN 106977790A CN 201710200229 A CN201710200229 A CN 201710200229A CN 106977790 A CN106977790 A CN 106977790A
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Prior art keywords
parts
environment
package material
friendly package
food pack
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CN201710200229.3A
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Chinese (zh)
Inventor
武行峰
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Hefei Jintongwei Low-Temperature Technology Co Ltd
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Hefei Jintongwei Low-Temperature Technology Co Ltd
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Priority to CN201710200229.3A priority Critical patent/CN106977790A/en
Publication of CN106977790A publication Critical patent/CN106977790A/en
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    • 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B2017/001—Pretreating the materials before recovery
    • B29B2017/0015—Washing, rinsing
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5816—Measuring, controlling or regulating temperature
    • 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
    • B29L2007/002—Panels; Plates; Sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/20—Recycled plastic
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

The invention belongs to insulation material processing technique field there is provided a kind of environment-friendly package material and preparation method, environment-friendly package material includes the raw material of following parts by weight：37 parts of 18 25 parts of hard polyurethane foam, 27 32 parts of food pack fused mass, 39 parts of plasticizer, 19 parts of adhesive, 8 17 parts of Eichhornia crassipes and sodium methyl silicate.Environment-friendly package material is made by the process such as melting, mixing, shaping, dry in raw material.The raw material that the present invention produces food waste packaging bag as packaging bag, reduce white pollution, increase economic efficiency.

Description

A kind of environment-friendly package material and preparation method
Technical field
The invention belongs to packaging material processing technique field, in particular it relates to a kind of environment-friendly package material and preparation method.
Background technology
The scope that food pack is applied by it can be divided into：Ordinary food packaging bag, vacuum food packaging bag, aerated food Food pack, cooking food packaging bag and functional food packaging bag are boiled in packaging bag, water.The raw material of food pack are poly- Ethene, polyethylene is universally acknowledged contact food optimal material, nontoxic, tasteless, odorless, composite food package sanitary standard, With the excellent properties such as moistureproof, anti-oxidant, antiacid, alkali resistant.Therefore, it is that plastics package consumption is most, most important raw material.
But in daily life, people mostly whip food pack to throw away, and on the one hand cause white pollution, have impact on Living environment, has had a strong impact on the raising of people's quality of the life；On the one hand, substantial amounts of plastic packaging bag is not degradable, not to it Regeneration, also result in the waste of resource.
The present invention is utilized food waste packaging bag, is re-used, is realized with this as the raw material of packaging bag Resource reutilization, reduces white pollution, increases economic efficiency.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of environment-friendly package material, by food waste bag The raw material produced as packaging bag are packed, white pollution is reduced, increases economic efficiency.
A kind of environment-friendly package material provided according to an aspect of the present invention, the environment-friendly package material includes following parts by weight Several raw materials：18-25 parts of hard polyurethane foam, 27-32 parts of food pack fused mass, 3-9 parts of plasticizer, adhesive 1-9 3-7 parts of part, 8-17 parts of Eichhornia crassipes and sodium methyl silicate.
Preferably, the environment-friendly package material includes the raw material of following parts by weight：19-23 parts of hard polyurethane foam, 29-32 parts of food pack fused mass, 4-8 parts of plasticizer, 3-7 parts of adhesive, 9-11 parts of Eichhornia crassipes and sodium methyl silicate 4-6 Part.
Preferably, the environment-friendly package material includes the raw material of following parts by weight：21 parts of hard polyurethane foam, food 5 parts of 31 parts of packaging bag fused mass, 5 parts of plasticizer, 6 parts of adhesive, 10 parts of Eichhornia crassipes and sodium methyl silicate.
Preferably, described plasticizer is glycerine.
Preferably, described adhesive is gelatin.
Preferably, the Eichhornia crassipes processing method comprises the following steps：
Step（1）：With clear water immersion Eichhornia crassipes branches and leaves 40-50min；
Step（2）：2 min break process is carried out under 400-450 r/s rotating speeds using pulverizer；
Step（3）：60-80 mesh sieves are crossed after broken, you can.
Preferably, the food pack fused mass preparation method comprises the following steps：
Step（1）：Cleaning, with 40-60 DEG C of hot-water soak food pack 1-2h；
Step（2）：Dehydration, is dehydrated with centrifugal filtration evaporation to aqueous food pack；
Step（3）：Drying, is dried with hot-air drier to food pack；
Step（3）：Plasticate, the food pack after drying, which is placed in plasticator, plasticates, and temperature control is at 240-260 DEG C.
Preferably, the hard polyurethane foam preprocess method is：By hard polyurethane foam under the conditions of 60-80 DEG C Melting, obtains molten state hard polyurethane foam.
A kind of preparation method for environment-friendly package material that one aspect of the present invention is provided, the preparation side of the environment-friendly package material Method is as follows：
Step（1）：Weigh 18-25 parts of molten state hard polyurethane foam, 27-32 parts of food pack fused mass, plasticizer 3-9 Part, 1-9 parts of adhesive, 8-17 parts of Eichhornia crassipes and 3-7 parts of sodium methyl silicate are well mixed；
Step（2）：By the step（1）Mixed material is filled into mould, using heat pressing forming machines 160-175 DEG C, 1 Hot pressing 2-4min under the conditions of -2MPa；
Step（3）：Board-like material after will be hot-forming, which is put into 120-125 DEG C of drying box, dries 60-80 min.
Compared with prior art, the present invention has following beneficial effect：
（1）The raw material that the present invention produces food waste packaging bag as packaging bag, reduce white pollution, improve economic effect Benefit；
（2）The present invention adds hard polyurethane foam in packaging material formula, makes the packaging material prepared shockproof, electric exhausted The features such as edge, heat-resisting, cold-resistant, solvent resistant；
（3）The present invention adds Eichhornia crassipes in packaging material formula, is used as a kind of aquatic and herbaceous largely planted in Tai Lake Plant-Eichhornia crassipes, it serves great role to purification Taihu Lake water quality, but because the Eichhornia crassipes speed of growth is exceedingly fast, if not in time Salvage or until the maturity period, the water surface can be covered and finally rot to foul, polluted water causes secondary pollution of water, endangers environment, therefore The packaging for foodstuff class material of environmental protection can be prepared using Eichhornia crassipes, the requirement of protection water environment can be both realized, can save significantly again Cost-saving, conservation of nature ecological environment.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention Rather than limitation the scope of the present invention.
A kind of environment-friendly package material provided according to an aspect of the present invention, the environment-friendly package material includes following parts by weight Several raw materials：18-25 parts of hard polyurethane foam, 27-32 parts of food pack fused mass, 3-9 parts of plasticizer, adhesive 1-9 3-7 parts of part, 8-17 parts of Eichhornia crassipes and sodium methyl silicate.
The raw material that food waste packaging bag of the present invention is produced as packaging bag, reduce white pollution, increase economic efficiency.
The present invention adds hard polyurethane foam in packaging material formula, makes the packaging material prepared shockproof, electric exhausted The features such as edge, heat-resisting, cold-resistant, solvent resistant.
The present invention adds Eichhornia crassipes in packaging material formula, is used as a kind of aquatic and herbaceous largely planted in Tai Lake Plant-Eichhornia crassipes, it serves great role to purification Taihu Lake water quality, but because the Eichhornia crassipes speed of growth is exceedingly fast, if not in time Salvage or until the maturity period, the water surface can be covered and finally rot to foul, polluted water causes secondary pollution of water, endangers environment, therefore The packaging for foodstuff class material of environmental protection can be prepared using Eichhornia crassipes, the requirement of protection water environment can be both realized, can save significantly again Cost-saving, conservation of nature ecological environment.
Preferably, described plasticizer is glycerine.
Preferably, described adhesive is gelatin.
Preferably, the Eichhornia crassipes processing method comprises the following steps：
Step（1）：With clear water immersion Eichhornia crassipes branches and leaves 40-50min；
Step（2）：2 min break process is carried out under 400-450 r/s rotating speeds using pulverizer；
Step（3）：60-80 mesh sieves are crossed after broken, you can.
Preferably, the food pack fused mass preparation method comprises the following steps：
Step（1）：Cleaning, with 40-60 DEG C of hot-water soak food pack 1-2h；
Step（2）：Dehydration, is dehydrated with centrifugal filtration evaporation to aqueous food pack；
Step（3）：Drying, is dried with hot-air drier to food pack；
Step（3）：Plasticate, the food pack after drying, which is placed in plasticator, plasticates, and temperature control is at 240-260 DEG C.
Preferably, the hard polyurethane foam preprocess method is：By hard polyurethane foam under the conditions of 60-80 DEG C Melting, obtains molten state hard polyurethane foam.
A kind of preparation method for environment-friendly package material that one aspect of the present invention is provided, the preparation side of the environment-friendly package material Method is as follows：
Step（1）：Weigh 18-25 parts of molten state hard polyurethane foam, 27-32 parts of food pack fused mass, plasticizer 3-9 Part, 1-9 parts of adhesive, 8-17 parts of Eichhornia crassipes and 3-7 parts of sodium methyl silicate are well mixed；
Step（2）：By the step（1）Mixed material is filled into mould, using heat pressing forming machines 160-175 DEG C, 1 Hot pressing 2-4min under the conditions of -2MPa；
Step（3）：Board-like material after will be hot-forming, which is put into 120-125 DEG C of drying box, dries 60-80 min.
Embodiment 1
A kind of environment-friendly package material that the present embodiment is provided, the environment-friendly package material includes the raw material of following parts by weight：It is poly- 25 parts of urethane rigid foam, 27 parts of food pack fused mass, 9 parts of plasticizer, 1 part of adhesive, 17 parts of Eichhornia crassipes and methyl silicon Sour 3 parts of sodium.
Described plasticizer is glycerine.
Described adhesive is gelatin.
The Eichhornia crassipes processing method comprises the following steps：
Step（1）：With clear water immersion Eichhornia crassipes branches and leaves 50min；
Step（2）：2 min break process is carried out under 400 r/s rotating speeds using pulverizer；
Step（3）：80 mesh sieves are crossed after broken, you can.
The food pack fused mass preparation method comprises the following steps：
Step（1）：Cleaning, with 40 DEG C of hot-water soak food pack 2h；
Step（2）：Dehydration, is dehydrated with centrifugal filtration evaporation to aqueous food pack；
Step（3）：Drying, is dried with hot-air drier to food pack；
Step（3）：Plasticate, the food pack after drying, which is placed in plasticator, plasticates, and temperature control is at 240 DEG C.
The hard polyurethane foam preprocess method is：Hard polyurethane foam is melted under the conditions of 80 DEG C, obtains molten Melt state hard polyurethane foam.
A kind of preparation method for environment-friendly package material that the present embodiment is provided, the preparation method of the environment-friendly package material is such as Under：
Step（1）：Weigh 25 parts of molten state hard polyurethane foam, 27 parts of food pack fused mass, 9 parts of plasticizer, gluing 3 parts of 1 part of agent, 17 parts of Eichhornia crassipes and sodium methyl silicate are well mixed；
Step（2）：By the step（1）Mixed material is filled into mould, using heat pressing forming machines in 160 DEG C, 2MPa Under the conditions of hot pressing 2min；
Step（3）：Board-like material after will be hot-forming, which is put into 125 DEG C of drying boxes, dries 60 min.
Embodiment 2
A kind of environment-friendly package material that the present embodiment is provided, the environment-friendly package material includes the raw material of following parts by weight：It is poly- 18 parts of urethane rigid foam, 32 parts of food pack fused mass, 3 parts of plasticizer, 9 parts of adhesive, 8 parts of Eichhornia crassipes and methane-siliconic acid 7 parts of sodium.
Described plasticizer is glycerine.
Described adhesive is gelatin.
The Eichhornia crassipes processing method comprises the following steps：
Step（1）：With clear water immersion Eichhornia crassipes branches and leaves 40min；
Step（2）：2 min break process is carried out under 450 r/s rotating speeds using pulverizer；
Step（3）：60 mesh sieves are crossed after broken, you can.
The food pack fused mass preparation method comprises the following steps：
Step（1）：Cleaning, with 60 DEG C of hot-water soak food pack 1h；
Step（2）：Dehydration, is dehydrated with centrifugal filtration evaporation to aqueous food pack；
Step（3）：Drying, is dried with hot-air drier to food pack；
Step（3）：Plasticate, the food pack after drying, which is placed in plasticator, plasticates, and temperature control is at 260 DEG C.
The hard polyurethane foam preprocess method is：Hard polyurethane foam is melted under the conditions of 60 DEG C, obtains molten Melt state hard polyurethane foam.
A kind of preparation method for environment-friendly package material that the present embodiment is provided, the preparation method of the environment-friendly package material is such as Under：
Step（1）：Weigh 18 parts of molten state hard polyurethane foam, 32 parts of food pack fused mass, 3 parts of plasticizer, gluing 7 parts of 9 parts of agent, 8 parts of Eichhornia crassipes and sodium methyl silicate are well mixed；
Step（2）：By the step（1）Mixed material is filled into mould, using heat pressing forming machines in 175 DEG C, 1 MPa Under the conditions of hot pressing 4min；
Step（3）：Board-like material after will be hot-forming, which is put into 120 DEG C of drying boxes, dries 80 min.
Embodiment 3
A kind of environment-friendly package material that the present embodiment is provided, the environment-friendly package material includes the raw material of following parts by weight：Institute Stating environment-friendly package material includes the raw material of following parts by weight：23 parts of hard polyurethane foam, 29 parts of food pack fused mass, 4 parts of 8 parts of plasticizer, 3 parts of adhesive, 11 parts of Eichhornia crassipes and sodium methyl silicate.
Described plasticizer is glycerine.
Described adhesive is gelatin.
The Eichhornia crassipes processing method comprises the following steps：
Step（1）：With clear water immersion Eichhornia crassipes branches and leaves 50min；
Step（2）：2 min break process is carried out under 450 r/s rotating speeds using pulverizer；
Step（3）：80 mesh sieves are crossed after broken, you can.
The food pack fused mass preparation method comprises the following steps：
Step（1）：Cleaning, with 60 DEG C of hot-water soak food pack 2h；
Step（2）：Dehydration, is dehydrated with centrifugal filtration evaporation to aqueous food pack；
Step（3）：Drying, is dried with hot-air drier to food pack；
Step（3）：Plasticate, the food pack after drying, which is placed in plasticator, plasticates, and temperature control is at 260 DEG C.
The hard polyurethane foam preprocess method is：Hard polyurethane foam is melted under the conditions of 80 DEG C, obtains molten Melt state hard polyurethane foam.
A kind of preparation method for environment-friendly package material that the present embodiment is provided, the preparation method of the environment-friendly package material is such as Under：
Step（1）：Weigh 23 parts of molten state hard polyurethane foam, 29 parts of food pack fused mass, 8 parts of plasticizer, gluing 4 parts of 3 parts of agent, 11 parts of Eichhornia crassipes and sodium methyl silicate are well mixed；
Step（2）：By the step（1）Mixed material is filled into mould, using heat pressing forming machines in 175 DEG C, 2MPa Under the conditions of hot pressing 4min；
Step（3）：Board-like material after will be hot-forming, which is put into 125 DEG C of drying boxes, dries 80 min.
Embodiment 4
A kind of environment-friendly package material that the present embodiment is provided, the environment-friendly package material includes the raw material of following parts by weight：Institute Stating environment-friendly package material includes the raw material of following parts by weight：19 parts of hard polyurethane foam, 32 parts of food pack fused mass, 6 parts of 4 parts of plasticizer, 7 parts of adhesive, 9 parts of Eichhornia crassipes and sodium methyl silicate.
Described plasticizer is glycerine.
Described adhesive is gelatin.
The Eichhornia crassipes processing method comprises the following steps：
Step（1）：With clear water immersion Eichhornia crassipes branches and leaves 40min；
Step（2）：2 min break process is carried out under 400 r/s rotating speeds using pulverizer；
Step（3）：60 mesh sieves are crossed after broken, you can.
The food pack fused mass preparation method comprises the following steps：
Step（1）：Cleaning, with 40 DEG C of hot-water soak food pack 1h；
Step（2）：Dehydration, is dehydrated with centrifugal filtration evaporation to aqueous food pack；
Step（3）：Drying, is dried with hot-air drier to food pack；
Step（3）：Plasticate, the food pack after drying, which is placed in plasticator, plasticates, and temperature control is at 240 DEG C.
The hard polyurethane foam preprocess method is：Hard polyurethane foam is melted under the conditions of 60 DEG C, obtains molten Melt state hard polyurethane foam.
A kind of preparation method for environment-friendly package material that the present embodiment is provided, the preparation method of the environment-friendly package material is such as Under：
Step（1）：Weigh 19 parts of molten state hard polyurethane foam, 32 parts of food pack fused mass, 4 parts of plasticizer, gluing 6 parts of 7 parts of agent, 9 parts of Eichhornia crassipes and sodium methyl silicate are well mixed；
Step（2）：By the step（1）Mixed material is filled into mould, using heat pressing forming machines in 160 DEG C, 1 MPa Under the conditions of hot pressing 2min；
Step（3）：Board-like material after will be hot-forming, which is put into 120 DEG C of drying boxes, dries 60min.
Embodiment 5
A kind of environment-friendly package material that the present embodiment is provided, the environment-friendly package material includes the raw material of following parts by weight：Institute Stating environment-friendly package material includes the raw material of following parts by weight：21 parts of hard polyurethane foam, 31 parts of food pack fused mass, 5 parts of 5 parts of plasticizer, 6 parts of adhesive, 10 parts of Eichhornia crassipes and sodium methyl silicate.
Described plasticizer is glycerine.
Described adhesive is gelatin.
The Eichhornia crassipes processing method comprises the following steps：
Step（1）：With clear water immersion Eichhornia crassipes branches and leaves 45min；
Step（2）：2 min break process is carried out under 420 r/s rotating speeds using pulverizer；
Step（3）：70 mesh sieves are crossed after broken, you can.
The food pack fused mass preparation method comprises the following steps：
Step（1）：Cleaning, with 50 DEG C of hot-water soak food pack 1h；
Step（2）：Dehydration, is dehydrated with centrifugal filtration evaporation to aqueous food pack；
Step（3）：Drying, is dried with hot-air drier to food pack；
Step（3）：Plasticate, the food pack after drying, which is placed in plasticator, plasticates, and temperature control is at 250 DEG C.
The hard polyurethane foam preprocess method is：Hard polyurethane foam is melted under the conditions of 65 DEG C, obtains molten Melt state hard polyurethane foam.
A kind of preparation method for environment-friendly package material that the present embodiment is provided, the preparation method of the environment-friendly package material is such as Under：
Step（1）：Weigh 21 parts of molten state hard polyurethane foam, 31 parts of food pack fused mass, 5 parts of plasticizer, gluing 5 parts of 6 parts of agent, 10 parts of Eichhornia crassipes and sodium methyl silicate are well mixed；
Step（2）：By the step（1）Mixed material is filled into mould, using heat pressing forming machines in 165 DEG C, 1MPa Under the conditions of hot pressing 3min；
Step（3）：Board-like material after will be hot-forming, which is put into 122 DEG C of drying boxes, dries 65 min.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring the substantive content of the present invention.

Claims (9)

1. a kind of environment-friendly package material, it is characterised in that the environment-friendly package material includes the raw material of following parts by weight：Poly- ammonia 18-25 parts of ester rigid foam, 27-32 parts of food pack fused mass, 3-9 parts of plasticizer, 1-9 parts of adhesive, Eichhornia crassipes 8-17 3-7 parts of part and sodium methyl silicate.
2. environment-friendly package material according to claim 1, it is characterised in that：The environment-friendly package material includes following weight The raw material of number：19-23 parts of hard polyurethane foam, 29-32 parts of food pack fused mass, 4-8 parts of plasticizer, adhesive 3- 4-6 parts of 7 parts, 9-11 parts of Eichhornia crassipes and sodium methyl silicate.
3. environment-friendly package material according to claim 1, it is characterised in that：The environment-friendly package material includes following weight The raw material of number：21 parts of hard polyurethane foam, 31 parts of food pack fused mass, 5 parts of plasticizer, 6 parts of adhesive, Eichhornia crassipes 10 parts and 5 parts of sodium methyl silicate.
4. environment-friendly package material according to claim 1, it is characterised in that：Described plasticizer is glycerine.
5. environment-friendly package material according to claim 1, it is characterised in that：Described adhesive is gelatin.
6. environment-friendly package material according to claim 1, it is characterised in that：The Eichhornia crassipes processing method includes following step Suddenly：
Step（1）：With clear water immersion Eichhornia crassipes branches and leaves 40-50min；
Step（2）：2 min break process is carried out under 400-450 r/s rotating speeds using pulverizer；
Step（3）：60-80 mesh sieves are crossed after broken, you can.
7. environment-friendly package material according to claim 1, it is characterised in that：The food pack fused mass preparation method Comprise the following steps：
Step（1）：Cleaning, with 40-60 DEG C of hot-water soak food pack 1-2h；
Step（2）：Dehydration, is dehydrated with centrifugal filtration evaporation to aqueous food pack；
Step（3）：Drying, is dried with hot-air drier to food pack；
Step（3）：Plasticate, the food pack after drying, which is placed in plasticator, plasticates, and temperature control is at 240-260 DEG C.
8. environment-friendly package material according to claim 1, it is characterised in that：The hard polyurethane foam preprocess method For：Hard polyurethane foam is melted under the conditions of 60-80 DEG C, molten state hard polyurethane foam is obtained.
9. the preparation method of the environment-friendly package material according to claim any one of 1-8, it is characterised in that：The environmental protection bag The preparation method of package material is as follows：
Step（1）：Weigh 18-25 parts of molten state hard polyurethane foam, 27-32 parts of food pack fused mass, plasticizer 3-9 Part, 1-9 parts of adhesive, 8-17 parts of Eichhornia crassipes and 3-7 parts of sodium methyl silicate are well mixed；
Step（2）：By the step（1）Mixed material is filled into mould, using heat pressing forming machines 160-175 DEG C, 1 Hot pressing 2-4min under the conditions of -2MPa；
Step（3）：Board-like material after will be hot-forming, which is put into 120-125 DEG C of drying box, dries 60-80 min.
CN201710200229.3A 2017-03-30 2017-03-30 A kind of environment-friendly package material and preparation method Withdrawn CN106977790A (en)

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CN107501906A (en) * 2017-09-26 2017-12-22 安徽斯威达建材科技有限公司 A kind of special cystosepiment of packaging for foodstuff
CN107513248A (en) * 2017-09-25 2017-12-26 桐城市人和包装有限公司 A kind of bag material
CN107880360A (en) * 2017-12-05 2018-04-06 佛山君帝环保科技有限公司 A kind of environment-friendly shopping bag
CN107964113A (en) * 2017-08-15 2018-04-27 安徽华猫软包装有限公司 A kind of production method of microwave packaging bag
US11746238B1 (en) * 2022-03-22 2023-09-05 In-Between International S. A. Water hyacinth fiber-based materials

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107964113A (en) * 2017-08-15 2018-04-27 安徽华猫软包装有限公司 A kind of production method of microwave packaging bag
CN107513248A (en) * 2017-09-25 2017-12-26 桐城市人和包装有限公司 A kind of bag material
CN107501906A (en) * 2017-09-26 2017-12-22 安徽斯威达建材科技有限公司 A kind of special cystosepiment of packaging for foodstuff
CN107880360A (en) * 2017-12-05 2018-04-06 佛山君帝环保科技有限公司 A kind of environment-friendly shopping bag
US11746238B1 (en) * 2022-03-22 2023-09-05 In-Between International S. A. Water hyacinth fiber-based materials

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Application publication date: 20170725