CN108117669A - A kind of biomass-based environmental-friendfilm film and preparation method - Google Patents
A kind of biomass-based environmental-friendfilm film and preparation method Download PDFInfo
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- CN108117669A CN108117669A CN201611086526.1A CN201611086526A CN108117669A CN 108117669 A CN108117669 A CN 108117669A CN 201611086526 A CN201611086526 A CN 201611086526A CN 108117669 A CN108117669 A CN 108117669A
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—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
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
- C08J2305/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
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Abstract
The present invention discloses a kind of biomass-based environmental-friendfilm film and preparation method, and the environmental-friendfilm film includes the following component of score ratio composition by weight：40 80 parts of biomass family macromolecule, 20 60 parts of inorganic filler, 0.02 0.1 parts of dispersant.The preparation method of the environmental-friendfilm film is：Dispersant and it is churned mechanically help peptizaiton under, inorganic filler is distributed to, relatively stable suspension system is formed in water-based system, then biomass family macromolecule is added in, using room temperature or heating decompression dissolving, it is cast, is solidified by solution blending, drying process obtains the laminated film that thickness is 25 200 microns.Not only production method is simple, environmental friendly for environmental-friendfilm film prepared by the present invention, and the biomass family macromolecule in selected raw material is a kind of abundance, renewable, degradable environment-friendly material, which is widely portable to the fields such as food packaging, shopping bag, life and paper in the office.
Description
Technical field
The invention belongs to chemical industry membrane material preparing technical field, especially a kind of biomass-based environmental-friendfilm film and preparation method.
Background technology
With the reduction increasingly of the non-renewable resources such as oil, coal, natural gas and people's environmental consciousness, sustainability of natural resources
The enhancing of using consciousness using natural reproducible resource, production environment degradation material, to reduce " white pollution ", becomes material
Expect one of hot spot of scientific research.Cellulose is renewable resource most ancient, most abundant on the earth and biodegradable
Material, but substantial amounts of intramolecular and intermolecular hydrogen bonding make its indissoluble, infusibility, and this hinders cellulose within a very long time
Extensive use, until in the 1960s, a kind of environment-friendly type good solvent N-methylmorpholine-N- oxides of native cellulose are asked
Generation using natural plant celluloses such as timber, bamboo, straws just so that directly have essential breakthrough.Some other dicyandiamide solutions are such as
Lithium chloride/dimethyl acetamide, 1- butyl -3- methylimidazoles chloro and 1- pi-allyl -3- methylimidazole chloro ionic liquids with
And exploitation is even more to have expanded the application field of cellulose to highly basic/urea etc. in succession.
However, natural macromolecular material such as cellulose, chitosan, sodium alginate etc. are lacked since hygroscopicity is high, intensity is low etc.
Point seriously limits its application in fields such as papermaking, packagings.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of biomass-based environmental-friendfilm film and preparation methods.
The present invention solves its technical problem and following technical scheme is taken to realize：
A kind of biomass-based environmental-friendfilm film, the following component formed comprising score ratio by weight：
Biomass family macromolecule：40-80 parts
Inorganic filler：20-60 parts
Dispersant：0.02-0.1 parts.
Moreover, the biomass family macromolecule is at least one kind in cellulose, chitosan, starch and sodium alginate.
Moreover, the cellulose is at least one kind in bamboo cellulose, gossypin and flaxen fiber element.
Moreover, the inorganic filler is at least one kind in calcium carbonate, diatomite, mica, talcum powder and attapulgite,
Its grain size is 800-4000 mesh.
Moreover, the dispersant is at least calgon, more Vitrafos, neopelex and poly- third
One kind in olefin(e) acid sodium.
A kind of biomass-based environmentally friendly membrane preparation method, preparation process are：
(1) dispersant and it is churned mechanically help peptizaiton under, 20-60 parts of inorganic fillers are distributed in water-based system
Form relatively stable suspension system；
(2) and then in suspension system 40-80 parts of biomass family macromolecules are added in, using room temperature or heating decompression dehydration
Dissolving passes through solution blending-curtain coating or solution blending-extrusion (deleting blue font part), solidification, drying process acquisition thickness
For 25-200 microns of laminated film.
Moreover, the water-based system is at least commercially available the aqueous solution of N-methylmorpholine-N- oxides, 0.5-2wt%
Aqueous acetic acid and deionized water in one kind.
Moreover, when the biomass family macromolecule is cellulose, water-based system is commercially available N-methylmorpholine-N- oxygen
The aqueous solution of compound；When the biomass family macromolecule is chitosan, water-based system is the acetic acid water of concentration 0.5-2wt%
Solution；The biomass family macromolecule for a kind of in starch and sodium alginate when, water-based system is deionized water.
Moreover, the heating decompression dehydration dissolving refers to that when water-based system be commercially available N-methylmorpholine-N- oxides
Aqueous solution when, for cellulose is enable to dissolve well, between need to solution temperature being increased to 90-120 DEG C, be depressurized to
0.05MPa or so is dewatered to water content in 13-15wt%, and adds in the antioxidant nutgall for accounting for cellulose 0.5-1%
Propyl propionate.
Moreover, the solidification refers in the film forming procedure of cellulose, it is necessary to regulate and control the form of film with coagulating bath.
Moreover, the coagulating bath composition be at least water, methanol, ethyl alcohol and isopropanol in one kind or by they with
Arbitrary proportion is combined the binary or multicomponent mixture of composition.
The advantages and positive effects of the present invention are：
Compared with prior art, the environmental-friendfilm film that prepared by the present invention, not only production method is simple, environmental friendly, but also selected
Biomass family macromolecule in raw material is a kind of abundance, renewable, degradable environment-friendly material.The environmental-friendfilm film can be wide
It is general to be suitable for the fields such as food packaging, shopping bag, life and paper in the office.
Specific embodiment
The embodiment of the present invention is further described below：It is emphasized that embodiment of the present invention is explanation
It is property rather than limited, therefore the present invention is not limited to the embodiment described in specific embodiment, it is every by this field
The other embodiment that technical staff's technique according to the invention scheme is drawn, also belongs to the scope of protection of the invention.
Embodiment 1：A kind of biomass-based environmental-friendfilm film and preparation method, its preparation method are：
(1) by a certain amount of commercially available NMMO solution (water content 50% or so), 80 parts of (weight) bamboo celluloses and 0.8 part
(weight) propylgallate is added to together in the container with heating, stirring and decompressor；It is stirred at 90 DEG C
30min makes cellulose reach optimal solvent swelling state；Open pressure reducing device steams part water at a temperature of 100 DEG C, is made
Transparent cellulose solution.
(2) 20 parts of (weight) 800 mesh calcium carbonate and 0.02 part of (weight) dodecyl are added in into the cellulose solution of (1)
Benzene sulfonic acid sodium salt continues stir about 30min.Vacuumizing and defoaming obtains cellulose-calcium carbonate mixed solution.
(3) scraper height is adjusted, by cellulose-calcium carbonate mixed solution by solution casting method special equipment coated in special
With in base band, formed then in turn through the ethyl alcohol by 20% volume fraction coagulating bath, water washing bath, drying steps obtain thickness
About 25 microns of composite membrane.
Embodiment 2：A kind of biomass-based environmental-friendfilm film and preparation method, its preparation method are：
(1) by a certain amount of commercially available NMMO solution (water content 50% or so), 40 parts of (weight) gossypins and 0.2 part
(weight) propylgallate is added to together in the container with heating, stirring and decompressor；It is stirred at 90 DEG C
30min makes cellulose reach optimal solvent swelling state；Open pressure reducing device steams part water at a temperature of 100 DEG C, is made
Transparent cellulose solution.
(2) 60 parts of (weight) 2000 mesh calcium carbonate and 0.1 part of (weight) dodecyl are added in into the cellulose solution of (1)
Benzene sulfonic acid sodium salt continues stir about 30min.Vacuumizing and defoaming obtains cellulose-calcium carbonate mixed solution.
(3) scraper height is adjusted, by cellulose-calcium carbonate mixed solution by solution casting method special equipment coated in special
With in base band, formed then in turn through the propyl alcohol by 20% volume fraction coagulating bath, water washing bath, drying steps obtain thickness
About 200 microns of composite membrane.
Embodiment 3：A kind of biomass-based environmental-friendfilm film and preparation method, its preparation method are：
(1) by a certain amount of concentration be 2% aqueous acetic acid and 60 parts of (weight) chitosans (deacetylation 90%) together
It is added in the container with heating, stirring and decompressor, stirring is completely dissolved chitosan.
(2) 40 parts of (weight) 4000 mesh ultrafine mica powders and 0.05 part of (weight) polyacrylic acid are added in into the solution of (1)
Sodium continues stir about 30min.Vacuumizing and defoaming obtains chitosan-mica mixed solution.
(3) scraper height is adjusted, by chitosan-mica mixed solution by solution casting method special equipment coated in special
In base band, thickness is obtained about then in turn through diluted alkaline (sodium hydroxide solution of about 0.2mol/L) solution, washing, drying steps
100 microns of composite membrane.
Embodiment 4：A kind of biomass-based environmental-friendfilm film and preparation method, its preparation method are：
(1) by a certain amount of commercially available NMMO solution (water content 50% or so), 80 parts of (weight) bamboo celluloses and 0.8 part
(weight) propylgallate is added to together in the container with heating, stirring and decompressor；It is stirred at 90 DEG C
30min makes cellulose reach optimal solvent swelling state；Open pressure reducing device steams part water at a temperature of 100 DEG C, is made
Transparent cellulose solution.
(2) 20 parts of (weight) 1000 mesh diatomite and 0.02 part of (weight) dodecane are added in into the cellulose solution of (1)
Base benzene sulfonic acid sodium salt continues stir about 30min.Vacuumizing and defoaming obtains cellulose-calcium carbonate mixed solution.
(3) scraper height is adjusted, by cellulose-diatomite mixed solution by solution casting method special equipment coated in special
With in base band, formed then in turn through the ethyl alcohol by 20% volume fraction coagulating bath, water washing bath, drying steps obtain thickness
About 100 microns of composite membrane.
Embodiment 5：A kind of biomass-based environmental-friendfilm film and preparation method, its preparation method are：
(1) by a certain amount of commercially available NMMO solution (water content 50% or so), 40 parts of (weight) gossypins and 0.2 part
(weight) propylgallate is added to together in the container with heating, stirring and decompressor；It is stirred at 90 DEG C
30min makes cellulose reach optimal solvent swelling state；Open pressure reducing device steams part water at a temperature of 100 DEG C, is made
Transparent cellulose solution.
(2) 60 parts of (weight) 2000 mesh talcum powder and 0.1 part of (weight) dodecyl are added in into the cellulose solution of (1)
Benzene sulfonic acid sodium salt continues stir about 30min.Vacuumizing and defoaming obtains cellulose-calcium carbonate mixed solution.
(3) scraper height is adjusted, by cellulose-talcum powder mixed solution by solution casting method special equipment coated in special
With in base band, formed then in turn through the propyl alcohol by 20% volume fraction coagulating bath, water washing bath, drying steps obtain thickness
About 100 microns of composite membrane.
Embodiment 6：A kind of biomass-based environmental-friendfilm film and preparation method, its preparation method are：
(1) by a certain amount of concentration be 2% aqueous acetic acid and 60 parts of (weight) chitosans (deacetylation 90%) together
It is added in the container with heating, stirring and decompressor, stirring is completely dissolved chitosan.
(2) the ultra-fine attapulgite of 40 parts of (weight) 4000 mesh and 0.05 part of (weight) polyacrylic acid are added in into (1) solution
Sodium continues stir about 30min.Vacuumizing and defoaming obtains chitosan-mica mixed solution.
(3) scraper height is adjusted, chitosan-attapulgite mixed solution is coated in by solution casting method special equipment
In special base band, obtained then in turn through diluted alkaline (sodium hydroxide solution of about 0.2mol/L) solution, washing, drying steps thick
The composite membrane of about 100 microns of degree.
Film obtained by various embodiments above is cut into each 5 of the sample of 80mm × 15mm sizes, in room temperature (25 DEG C or so)
With its mechanical property is tested under the conditions of relative humidity 50%, with reference to GB/T13022-1991 standards, with tensile speed 50mm/min
It is tested on electronic universal tester.Each film is respectively provided with preferable mechanical strength more than the result shows that, as environment-friendly type
Film can be competent at the fields such as food packaging, shopping bag, life and paper in the office.
Table one, each embodiment main mechanical properties
Claims (10)
1. a kind of biomass-based environmental-friendfilm film, it is characterised in that：Include the following component of the composition of score ratio by weight：
Biomass family macromolecule：40-80 parts
Inorganic filler：20-60 parts
Dispersant：0.02-0.1 parts.
2. biomass-based environmental-friendfilm film according to claim 1, it is characterised in that：The biomass family macromolecule is at least
One kind in cellulose, chitosan, starch and sodium alginate.
3. biomass-based environmental-friendfilm film according to claim 2, it is characterised in that：The cellulose be at least bamboo cellulose,
One kind in gossypin and flaxen fiber element.
4. biomass-based environmental-friendfilm film according to claim 1, it is characterised in that：The inorganic filler is at least carbonic acid
One kind in calcium, diatomite, mica, talcum powder and attapulgite, grain size are 800-4000 mesh.
5. biomass-based environmental-friendfilm film according to claim 1, it is characterised in that：The dispersant is at least hexa metaphosphoric acid
One kind in sodium, more Vitrafos, neopelex and Sodium Polyacrylate.
6. a kind of biomass-based environmentally friendly membrane preparation method, it is characterised in that：Preparation process is as follows：
(1) dispersant and it is churned mechanically help peptizaiton under, 20-60 parts of inorganic fillers are distributed in water-based system and are formed
Relatively stable suspension system；
(2) and then in suspension system 40-80 parts of biomass family macromolecules are added in, are dissolved using room temperature or heating decompression dehydration,
The laminated film that thickness is 25-200 microns is obtained by solution blending-curtain coating, solidification, drying process.
7. biomass-based environmentally friendly membrane preparation method according to claim 6, it is characterised in that：The water-based system is at least
The one kind being commercially available in the aqueous solution of N-methylmorpholine-N- oxides, the aqueous acetic acid of 0.5-2wt% and deionized water.
8. the biomass-based environmentally friendly membrane preparation method according to claim 6 or 7, it is characterised in that：The biomass class
When macromolecule is cellulose, water-based system is the aqueous solution of commercially available N-methylmorpholine-N- oxides；The biomass class
When macromolecule is chitosan, water-based system is the aqueous acetic acid of concentration 0.5-2wt%；The biomass family macromolecule is
During a kind of in starch and sodium alginate, water-based system is deionized water.
9. the biomass-based environmentally friendly membrane preparation method according to claim 6 or 7, it is characterised in that：The heating decompression
Dehydration dissolving refers to when water-based system is the aqueous solution of commercially available N-methylmorpholine-N- oxides, to enable cellulose fine
Dissolving, between need to solution temperature being increased to 90-120 DEG C, be depressurized to 0.05MPa or so and be dewatered to water content in 13-
15wt% scopes, and add in the antioxidant propylgallate for accounting for cellulose 0.5-1%.
10. biomass-based environmentally friendly membrane preparation method according to claim 6, it is characterised in that：The solidification refers to
, it is necessary to regulate and control the form of film with coagulating bath in the film forming procedure of cellulose, the composition of coagulating bath is water, methanol, ethyl alcohol, isopropyl
One kind in alcohol and the binary mixture being made of them with arbitrary proportion.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778794A (en) * | 2021-01-06 | 2021-05-11 | 浙江花蝶染料化工有限公司 | High-dispersion brilliant blue composite dye and preparation method thereof |
-
2016
- 2016-11-28 CN CN201611086526.1A patent/CN108117669A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778794A (en) * | 2021-01-06 | 2021-05-11 | 浙江花蝶染料化工有限公司 | High-dispersion brilliant blue composite dye and preparation method thereof |
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