CN110016194A - A kind of degradable plastic bag being conducive to water body purification - Google Patents
A kind of degradable plastic bag being conducive to water body purification Download PDFInfo
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- CN110016194A CN110016194A CN201910304100.6A CN201910304100A CN110016194A CN 110016194 A CN110016194 A CN 110016194A CN 201910304100 A CN201910304100 A CN 201910304100A CN 110016194 A CN110016194 A CN 110016194A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0009—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
- C08B37/0012—Cyclodextrin [CD], e.g. cycle with 6 units (alpha), with 7 units (beta) and with 8 units (gamma), large-ring cyclodextrin or cycloamylose with 9 units or more; Derivatives thereof
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
- C08G18/6423—Polyalkylene polyamines; polyethylenimines; Derivatives thereof
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6484—Polysaccharides and derivatives thereof
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/71—Monoisocyanates or monoisothiocyanates
- C08G18/718—Monoisocyanates or monoisothiocyanates containing silicon
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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
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- 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
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/24—Homopolymers or copolymers of amides or imides
- C08J2433/26—Homopolymers or copolymers of acrylamide or methacrylamide
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- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2479/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C08J2481/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers
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Abstract
The present invention provides a kind of degradable plastic bag for being conducive to water body purification, and the plastic bag material includes following components according to parts by weight: 30~40 parts of carboxy-modified polyvinyl alcohol；20~30 parts of polyether sulfone；20~25 parts of converted starch；15~25 parts of polyimides；8~12 parts of polyacrylamide；10~15 parts of aluminium polychloride；7~10 parts of nanometer cross-linking silicon substrate porous polymer.The polybag that the present invention makes has the mechanical performances such as excellent stretch resistance energy, impact strength, and there is lower smoke rate, even if therefore carrying out waste processing to polybag using combustion method, it will not be impacted to air quality, germs collect can be promoted in water on plastic film surface simultaneously, degraded by the microorganism in water, and then further promote the degradation rate of polybag, play and meanwhile purifying water body and promote polybag degradation capability double technique effect.
Description
Technical field
The application belongs to plastic applications, in particular to a kind of degradable plastic bag for being conducive to water body purification.
Background technique
The raw material system high-molecular compound of polybag, stable structure are not easy to be degraded by natural microbial bacterium, non-degradable
Polybag rot to need 200 years or more naturally.Waste plastics bag is not if recycled, the waste plastics bag being discarded in land and water body,
It can be swallowed by animal and fish etc. as food, cause animal and fish death or influence its growth.Ring can be seriously polluted simultaneously
Border health, increases the workload of sanitationman, and polybag can be flown upward with the wind due to frivolous, can be drifted everywhere, influences city beauty
It sees and environmental image, removing is got up time-consuming and laborious and dangerous.If it arbitrarily burned, toxic gas can be distributed, pollutes air,
Influence health of people.
When polybag is abandoned in water, on the one hand its high molecular chemical characters having is not easy by micro- lifes such as bacteriums in water
Object degradation, on the other hand, will cause the blocking of natural flow station, influence power supply normal operation, cleaning get up it is time-consuming and laborious, i.e.,
Make gradually to degrade and can also cause secondary pollution to water body, the organic chemistry poisonous substance and trace organic poison of degradation can be gradually right
The fresh water such as fish, green turtle or marine animal impact, and then cause the birds for eating these fish dead, or cause to eat
The human health of these fish is affected, and therefore, it is not solve in the prior art that how polybag degrades in water
The problem of.
Chinese patent 201810946083.1 discloses a kind of degradable plastic bag with graft copolymer production ingredient,
And shows that the polybag of its production has good mechanical property, but do not show that it makes ingredient and production method system
The polybag of work fast degradation and will not can pollute water body in water.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, the organic chemistry poisonous substance in water can be adsorbed this application provides one kind
And bacterium, and then a kind of degradable plastic bag for being conducive to water body purification for accelerating polybag to degrade in water.
Technical scheme is as follows:
A kind of degradable plastic bag being conducive to water body purification, the plastic bag material include with the following group according to parts by weight
Point:
30~40 parts of carboxy-modified polyvinyl alcohol；
20~30 parts of polyether sulfone；
20~25 parts of converted starch；
15~25 parts of polyimides；
8~12 parts of polyacrylamide；
10~15 parts of aluminium polychloride；
7~10 parts of nanometer cross-linking silicon substrate porous polymer.
It is further limited as of the invention, the nanometer cross-linking silicon substrate porous polymer includes following according to parts by weight
Component:
It is further limited as of the invention, the triethoxysilicane alkanisation derivative dendritic is in parts by weight
Meter includes following components:
30~40 parts of long aliphatic chain high molecular polymer；
40~50 parts of 3- triethoxysilylpropyl isocyanates；
20~30 parts of 4-dimethylaminopyridine；
15~25 parts of poly- beta-cyclodextrin.
It is further limited as of the invention, the long aliphatic chain high molecular polymer is poly- third diimine, polyethyleneimine
One or more of amine or polyglycerol ester.
It is further limited as of the invention, the production method of the triethoxysilicane alkanisation derivative dendritic
The following steps are included:
S1: the long aliphatic chain high molecular polymer of the parts by weight and the 3- triethoxysilylpropyl of the parts by weight is different
Cyanate carries out premixing reaction under the conditions of 20~25 DEG C；
S2: by the poly- beta-cyclodextrin of the parts by weight and the 4-dimethylaminopyridine of the parts by weight in 55~60 DEG C of items
Premixing reaction is carried out under part；
S3: the pretreated long aliphatic chain high molecular polymer of the S1 step and the S2 step is pretreated
Beta-cyclodextrin gathers jointly to be dissolved in dry methylene chloride；
S4: 0.3~0.5h is kept in dark place under the conditions of anaerobic and 0 DEG C；
S5: will be added acetonitrile precipitating hair occur and answer in product that the S4 step obtains, and 20,000~25,000rpm
Under the conditions of be centrifuged after, will precipitate under vacuum conditions through P2O5It is dry, it is poly- to obtain the triethoxysilicane alkanisation derivative dendroid
Close object.
It is further limited as of the invention, the poromeric production method of nanometer cross-linking silicon substrate includes following step
It is rapid:
S1: by the A1 of the parts by weight2O3、TiO2, SiC and nano-ceramic powder be dissolved in the triethoxysilicane alkanisation and spread out
In biological dendritic；
S2: under anaerobic, 55~60 DEG C are heated to, keep 5.5~7.5h, form nanometer laminated structure；
S3: being heated to 85~95 DEG C in air environment, keeps 45~60h, forms nanometer cross-linking and impregnates triethoxysilicane
Oxygen alkanisation porous polymer；
S4: the dry crosslinking dipping triethoxy siliconization porous polymer that the S3 step is formed is rushed with acetonitrile
It washes, is dried under vacuum to form the final nanometer cross-linking silicon substrate porous polymer.
The present invention is beneficial to be had the technical effect that
1, it using polyacrylamide and aluminium polychloride, can degrade after polybag enters water body gradually
It is released in journey, and then is flocculated, precipitated to the organic substance in water, and then be gathered in plastic film surface, by water
In microorganism degrade, and then further promote the degradation rate of polybag, play while purifying water body and promoting
The double technique effect of polybag degradation capability.
2, polyether sulfone is a kind of thermoplastic engineering plastic raw material resistant to high temperature, and making polybag using it can be improved plastics
Toughness, chemical stability and the solvent resistance of bag, above-mentioned functional characteristics can make up polystyrene and easily be corroded, can be had by a variety of
Solvent dissolution, and by defect easy to change after ultraviolet light, and then improve the overall performance of polybag.
3, polyimides is a kind of polymer with superregulated performance, and making polybag using it can be improved plastics
The stretch resistance energy of bag, the mechanical performances such as impact strength, and it is not readily dissolved in organic solvent, it is nontoxic, have high
Radiation-resistant property and biocompatibility, and polyimides is a kind of self-extinguishing polymer, with very low smoke rate, therefore even if
Waste processing is carried out to polybag using combustion method, will not be impacted to air quality.
4, nano-ceramic powder is added in the production ingredient of polybag-nanometer cross-linking silicon substrate porous polymer, can increased
It is poly- to increase triethoxysilicane alkanisation derivative dendroid in nanometer cross-linking silicon substrate porous polymer for poromeric hole interval
Object is closed for the adsorption capacity of arresting of organic pollutants, and then has reached and can be improved the water after polybag is degraded in water
The technical effect of body Cress ability.
5, active carbon can remove the pollutants such as the organic matter in water removal, but cannot go nanogram level (ppb grades) in water removal
Organic micro-pollutant, the nanometer cross-linking triethoxysilicane alkanisation derivative dendritic that the present invention uses is because use
A12O3、TiO2, SiC and nano-ceramic powder three kinds of ingredients production, can be formed not in nanometer cross-linking silicon substrate porous polymer
With the porosity of size, all have capture adsorption function in the organic matter of thus its different molecular size, improve polybag into
To the absorption property of organic components different in water body after entering in water, the broad spectrum activity of organic matter absorption is increased, water can be adsorbed
Pesticide, polycyclic aromatic hydrocarbon and mononuclear aromatics organic chemicals in body, and it is lazy to enhance the mechanical performance of polybag, chemistry
Property, working life, thermal stability；And raw material purchase cost is low, and it is few to manufacture cost；And enter in water body in polybag
After can gradually decompose under the action of microorganism in water, nanometer cross-linking silicon substrate porous polymer can also promote the plant in water body
The microorganisms such as object, zooplankter and bacterial fungus enrichment be adsorbed on thereon, thus alleviate the duck-weed plants in water body and
It is floating in decomposition digestion to be enriched in the microorganisms such as the bacterial fungus on nanometer cross-linking silicon substrate porous polymer for the breeding of bacterium in water
Also the decomposition of polybag can further be promoted to digest while duckweed plant, and then reach decomposition and the water body purification of polybag
Double technique effect.
6, the production of triethoxysilicane alkanisation derivative dendritic use poly- third diimine, polyethyleneimine,
The long aliphatic chain high molecular polymer of one or more of polyglycereol, thus in water nanogram level contaminant trace species and big point
Sub- organic pollutant, such as pesticide, polycyclic aromatic hydrocarbon and mononuclear aromatics lipophilicity organic compound also have absorption property.
Specific embodiment
Below with reference to embodiment, the present invention is specifically described.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
The carboxy-modified polyvinyl alcohol that the present invention uses is bought for model T-330H from Chongqing Jie He Chemical Co., Ltd.；
Polyether sulfone, model JF1004 rise a plasticizing Co., Ltd purchased from Taicang；Polyimides, model TY002, purchased from Qinyang City day
Beneficial Chemical Co., Ltd.；Poly- third diimine is bought from Jin Jinle Chemical Co., Ltd.；Polyethyleneimine, model: GBK-PEI7
Series buys green gram of new material science and technology (Shanghai) Co., Ltd. of self tapping；Polyglycereol has purchased from Anshan foundation biological material science and technology
Limit company；Polyacrylamide is purchased from Renqiu City Jin Yu Chemical Co., Ltd.；Aluminium polychloride, purchased from Henan filter source environmental protection science and technology
Co., Ltd；Nano-ceramic powder, model 1314-23-4 are purchased from Zhengzhou benefit Xinghua chemical product Co., Ltd；3- triethoxysilicane third
Based isocyanate, model 24801-88-5 are purchased from Qufu morning twilight Chemical Co., Ltd.；4-dimethylaminopyridine, model 1122-
58-3 is purchased from Suzhou Highfine Biotech Co., Ltd.；SiC is purchased from the bright matt new material in Henan Science and Technology Ltd.；Remaining system
It is commercially available as raw material.
Embodiment 1
A kind of degradable plastic bag being conducive to water body purification, plastic bag material includes following components according to parts by weight:
30 parts of carboxy-modified polyvinyl alcohol；
20 parts of polyether sulfone；
20 parts of converted starch；
15 parts of polyimides；
8 parts of polyacrylamide；
10 parts of aluminium polychloride；
7 parts of nanometer cross-linking silicon substrate porous polymer.
Wherein, nanometer cross-linking silicon substrate porous polymer includes following components according to parts by weight:
Wherein, triethoxysilicane alkanisation derivative dendritic includes following components according to parts by weight:
Poly- third diimine and totally 30 parts of polyethyleneimine, wherein 10 parts of poly- third diimine, 20 parts of polyethyleneimine；
40 parts of 3- triethoxysilylpropyl isocyanates；
20 parts of 4-dimethylaminopyridine；
15 parts of poly- beta-cyclodextrin.
The production method of triethoxysilicane alkanisation derivative dendritic the following steps are included:
S1: 10 parts of poly- third diimines and 20 parts of polyethyleneimines and 40 parts of 3- triethoxysilylpropyl isocyanates are existed
Premixing reaction is carried out under the conditions of 20 DEG C；
S2: 15 parts of poly- beta-cyclodextrin and 20 parts of 4-dimethylaminopyridine are carried out being pre-mixed under the conditions of 55 DEG C anti-
It answers；
S3: pretreated poly- third diimine of S1 step and polyethyleneimine and the pretreated β of S2 step-ring are pasted
Essence is jointly poly- to be dissolved in dry methylene chloride；
S4: 0.3h is kept in dark place under the conditions of anaerobic and 0 DEG C；
S5: acetonitrile will be added in product that S4 step obtains precipitating hair occurs and answer, and be centrifuged under the conditions of 20,000rpm
Afterwards, it will precipitate under vacuum conditions through P2O5It is dry, obtain triethoxysilicane alkanisation derivative dendritic.
In the production ingredient of polybag, the poromeric production method of nanometer cross-linking silicon substrate the following steps are included:
S1: by 15 parts of A12O3, 20 parts of TiO2, 15 parts of SiC and 10 part of nano-ceramic powder be dissolved in 30 parts of above-mentioned systems
In the triethoxysilicane alkanisation derivative dendritic performed；
S2: under anaerobic, 55 DEG C are heated to, keep 5.5h, form nanometer laminated structure；
S3: being heated to 85 DEG C in air environment, keeps 45h, and it is more to form nanometer cross-linking dipping triethoxy siliconization
Pore polymer；
S4: the dry crosslinking dipping triethoxy siliconization porous polymer that the S3 step is formed is rushed with acetonitrile
It washes, is dried under vacuum to form final nanometer cross-linking silicon substrate porous polymer.
Embodiment 2
A kind of degradable plastic bag being conducive to water body purification, plastic bag material includes following components according to parts by weight:
40 parts of carboxy-modified polyvinyl alcohol；
30 parts of polyether sulfone；
25 parts of converted starch；
25 parts of polyimides；
12 parts of polyacrylamide；
15 parts of aluminium polychloride；
10 parts of nanometer cross-linking silicon substrate porous polymer.
Wherein, nanometer cross-linking silicon substrate porous polymer includes following components according to parts by weight:
Wherein, triethoxysilicane alkanisation derivative dendritic includes following components according to parts by weight:
40 parts of polyglycerol ester；
50 parts of 3- triethoxysilylpropyl isocyanates；
30 parts of 4-dimethylaminopyridine；
25 parts of poly- beta-cyclodextrin.
The production method of triethoxysilicane alkanisation derivative dendritic the following steps are included:
S1: 40 parts of polyglycerol ester and 50 parts of 3- triethoxysilylpropyl isocyanates are carried out under the conditions of 25 DEG C pre-
Hybrid reaction；
S2: 25 parts of poly- beta-cyclodextrin and 30 parts of 4-dimethylaminopyridine are carried out being pre-mixed under the conditions of 60 DEG C anti-
It answers；
S3: by the pretreated polyglycerol ester of S1 step and the pretreated beta-cyclodextrin of S2 step jointly gather be dissolved in it is dry
In dry methylene chloride；
S4: 0.4h is kept in dark place under the conditions of anaerobic and 0 DEG C；
S5: acetonitrile will be added in product that S4 step obtains precipitating hair occurs and answer, and be centrifuged under the conditions of 25,000rpm
Afterwards, it will precipitate under vacuum conditions through P2O5It is dry, obtain triethoxysilicane alkanisation derivative dendritic.
In the production ingredient of polybag, the poromeric production method of nanometer cross-linking silicon substrate the following steps are included:
S1: by 20 parts of A12O3, 30 parts of TiO2, 30 parts of SiC and 30 part of nano-ceramic powder be dissolved in above-mentioned make
Triethoxysilicane alkanisation derivative dendritic in；
S2: under anaerobic, 60 DEG C are heated to, keep 7.5h, form nanometer laminated structure；
S3: being heated to 95 DEG C in air environment, keeps 60h, and it is more to form nanometer cross-linking dipping triethoxy siliconization
Pore polymer；
S4: the dry crosslinking dipping triethoxy siliconization porous polymer that S3 step is formed is rinsed with acetonitrile,
It is dry under vacuum to form the final nanometer cross-linking silicon substrate porous polymer.
Embodiment 3
A kind of degradable plastic bag being conducive to water body purification, plastic bag material includes following components according to parts by weight:
35.5 parts of carboxy-modified polyvinyl alcohol；
24.5 parts of polyether sulfone；
22 parts of converted starch；
20 parts of polyimides；
10 parts of polyacrylamide；
12.6 parts of aluminium polychloride；
8.5 parts of nanometer cross-linking silicon substrate porous polymer.
Wherein, nanometer cross-linking silicon substrate porous polymer includes following components according to parts by weight:
Wherein, triethoxysilicane alkanisation derivative dendritic includes following components according to parts by weight:
34 parts of poly- third diimine；
44.5 parts of 3- triethoxysilylpropyl isocyanates；
26 parts of 4-dimethylaminopyridine；
20 parts of poly- beta-cyclodextrin.
Wherein, triethoxysilicane alkanisation derivative dendritic production method the following steps are included:
S1: by 34 parts of poly- third diimine and 44.5 parts of 3- triethoxysilylpropyl isocyanates under the conditions of 22.5 DEG C
Carry out premixing reaction；
S2: 20 parts of poly- beta-cyclodextrin and 26 parts of 4-dimethylaminopyridine are carried out being pre-mixed under the conditions of 58 DEG C anti-
It answers；
S3: pretreated poly- third diimine of S1 step and the pretreated beta-cyclodextrin of S2 step are gathered jointly and are dissolved in
In dry methylene chloride；
S4: 0.5h is kept in dark place under the conditions of anaerobic and 0 DEG C；
S5: acetonitrile will be added in product that S4 step obtains precipitating hair occurs and answer, and be centrifuged under the conditions of 22,550rpm
Afterwards, it will precipitate under vacuum conditions through P2O5It is dry, obtain triethoxysilicane alkanisation derivative dendritic.
In the production ingredient of polybag, the poromeric production method of nanometer cross-linking silicon substrate the following steps are included:
S1: by 17.5 parts of A12O3, 25 parts of TiO2, 18 parts of SiC and 20 part of nano-ceramic powder be dissolved in above-mentioned production
In good triethoxysilicane alkanisation derivative dendritic；
S2: under anaerobic, 57 DEG C are heated to, keep 6.5h, form nanometer laminated structure；
S3: being heated to 90 DEG C in air environment, keeps 53h, and it is more to form nanometer cross-linking dipping triethoxy siliconization
Pore polymer；
S4: the dry crosslinking dipping triethoxy siliconization porous polymer that S3 step is formed is rinsed with acetonitrile,
It is dry under vacuum to form the final nanometer cross-linking silicon substrate porous polymer.
Comparative example 1
Polybag is made according to the production ingredient of the embodiment of the present invention 1~3, and uses Chinese patent in the prior art
201810946083.1 the preparation method and prepared composition of embodiment 3 prepare food polybag.
According to the tensile property of the measuring method detection polybag of GB/T1040.3-2006 plastic tensile performance；According to GB/
T9639.1-2008 thin sheets of plastic films shock resistance test method uses cantilever beam Zwick/Rock5113 shock machine
The shock resistance of polybag is detected, Testing index is notched specimen impact strength；According to the resistance to liquid of GB/T 11547-2008 plastics
The measurement of body chemical reagent performance provides, tests the solvent resistance of each embodiment polybag；According to QB/T 2670 and GB/T
The biodegradability of 20197 detection polybags；GB_T 8323-1987 Plastics Combustion method for testing performance-smoke density method detection
Smoke density, carbon monoxide yields, carbon dioxide yield and the CO/CO that polybag burning generates2.It the results are shown in Table 1.
Table 1
| Index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Tensile strength | 25.64MPa | 30.21MPa | 28.59MPa | 17.37MPa |
| Notch style impact strength | 523.12J/m2 | 921.34J/m2 | 785.24J/m2 | 359.14J/m2 |
| Solvent resistance | Preferably | It is good | Preferably | It is poor |
| Smoke density | 45 | 40 | 42.3 | 52 |
| Carbon monoxide yields (kg/kg) | 0.148 | 0.136 | 0.142 | 0.178 |
| Carbon dioxide yield (kg/kg) | 1.869 | 1.258 | 1.584 | 2.341 |
| CO/CO2×10-3 | 75.39 | 60.37 | 65.91 | 105.53 |
By table 1, it can be concluded that, the polybag that the present invention makes ingredient production has good tensile strength, impact strength
And solvent resistance, and there is lower smoke density, carbon monoxide yields and carbon dioxide yield after burning, and then can obtain
Out, the present invention, which makes ingredient, can be improved the mechanical property and flame retardant property of polybag, though using combustion method to polybag into
The processing of row waste, will not impact to air quality.
Comparative example 2
Polybag is made according to the production ingredient of the embodiment of the present invention 1~3, and uses Chinese patent in the prior art
201810946083.1 the preparation method and prepared composition of embodiment 3 prepare food polybag.
Take each 10cm of polybag of above-mentioned each embodiment and comparative example 22, put 1L and be derived from the nature such as river, lake
In the water of boundary's acquisition, the biodegrade of polybag after being detected 50 days, 100 days, 200 days according to QB/T 2670 and GB/T 20197
Rate, according to total number of bacterial colonies in water body after GB/T5750.12-2006 standard detection 200 days, using the efficient gas phase color of LC-20A
Spectrometer measures polycyclic aromatic hydrocarbon, mononuclear aromatics concentration in 200 sky and water, measures pesticide in 200 sky and water using chromatograph-mass spectrometer coupling method
(Rogor, parathion-methyl, decis and DDT) organic concentration.It the results are shown in Table 2.
Table 2
By table 2, it can be concluded that, the biological degradation rate of polybag is can be improved in technical solution of the present invention, and reduces water
In total number of bacterial colonies, and reduce polycyclic aromatic hydrocarbon, the concentration of mononuclear aromatics and various pesticides in water, meet
The regulation of GB3838-2002 " water environment quality standard " and GB11607-89 " water quality standard for fishery ", therefore can obtain
Out, by the way that the polybag discarding of present invention production ingredient can be conducive to water body purification in water, the bacterial population in water is reduced
Amount and pesticide concentration, to have the function that purifying water body and improve polybag degradation rate in water.
Claims (6)
1. a kind of degradable plastic bag for being conducive to water body purification, which is characterized in that the plastic bag material is according to parts by weight
Including following components:
30~40 parts of carboxy-modified polyvinyl alcohol；
20~30 parts of polyether sulfone；
20~25 parts of converted starch；
15~25 parts of polyimides；
8~12 parts of polyacrylamide；
10~15 parts of aluminium polychloride；
7~10 parts of nanometer cross-linking silicon substrate porous polymer.
2. a kind of degradable plastic bag for being conducive to water body purification according to claim 1, which is characterized in that the nanometer
Cross-linked silicone base porous polymer includes following components according to parts by weight:
A12O315~20 parts；
TiO220~30 parts；
15~20 parts of SiC；
10~30 parts of nano-ceramic powder；
30~40 parts of dendritic of triethoxysilicane alkanisation derivative.
3. a kind of degradable plastic bag for being conducive to water body purification according to claim 2, which is characterized in that three second
Oxysilane derivative dendritic includes following components according to parts by weight:
30~40 parts of long aliphatic chain high molecular polymer；
40~50 parts of 3- triethoxysilylpropyl isocyanates；
20~30 parts of 4-dimethylaminopyridine；
15~25 parts of poly- beta-cyclodextrin.
4. a kind of degradable plastic bag for being conducive to water body purification according to claim 3, which is characterized in that the long rouge
Fat chain high molecular polymer is one or more of poly- third diimine, polyethyleneimine or polyglycerol ester.
5. a kind of degradable plastic bag for being conducive to water body purification according to claim 3, which is characterized in that three second
The production method of oxysilane derivative dendritic the following steps are included:
S1: by the 3- triethoxysilylpropyl isocyanic acid of the long aliphatic chain high molecular polymer of the parts by weight and the parts by weight
Ester carries out premixing reaction under the conditions of 20~25 DEG C；
S2: by the poly- beta-cyclodextrin of the parts by weight and the 4-dimethylaminopyridine of the parts by weight under the conditions of 55~60 DEG C
Carry out premixing reaction；
S3: by the pretreated long aliphatic chain high molecular polymer of the S1 step and the pretreated β-ring of the S2 step
Dextrin gathers jointly to be dissolved in dry methylene chloride；
S4: 0.3~0.5h is kept in dark place under the conditions of anaerobic and 0 DEG C；
S5: will be added acetonitrile precipitating hair occur and answer in product that the S4 step obtains, and 20,000~25,000rpm condition
After lower centrifugation, it will precipitate under vacuum conditions through P2O5It is dry, obtain the triethoxysilicane alkanisation derivative dendroid polymerization
Object.
6. a kind of degradable plastic bag for being conducive to water body purification according to claim 1, which is characterized in that the nanometer
The poromeric production method of cross-linked silicone base the following steps are included:
S1: by the A1 of the parts by weight2O3、TiO2, SiC and nano-ceramic powder be dissolved in the triethoxysilicane alkanisation derivative
In dendritic；
S2: under anaerobic, 55~60 DEG C are heated to, keep 5.5~7.5h, form nanometer laminated structure；
S3: being heated to 85~95 DEG C in air environment, keeps 45~60h, forms nanometer cross-linking and impregnates triethoxy siloxanes
Change porous polymer；
S4: the dry crosslinking dipping triethoxy siliconization porous polymer that the S3 step is formed is rinsed with acetonitrile,
It is dry under vacuum to form the final nanometer cross-linking silicon substrate porous polymer.
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| CN1308639A (en) * | 1998-07-01 | 2001-08-15 | 加利福尼亚技术学院 | Linear cyclodextrin copolymers |
| CN104492286A (en) * | 2014-12-19 | 2015-04-08 | 天津工业大学 | Preparation and application of support layer functionalized adsorption-enhanced type composite ultrafiltration membrane |
| CN109173746A (en) * | 2018-09-06 | 2019-01-11 | 浙江大学 | The compound membrane preparation method of micropollutants in a kind of high efficiency filter water |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0609648A1 (en) * | 1993-02-01 | 1994-08-10 | Felix Schoeller jr. Papierfabrik GmbH & Co. KG | Recyclable support |
| EP0727232A2 (en) * | 1995-02-14 | 1996-08-21 | Mentor Corporation | Filling material for soft tissue implant prostheses and implants made therewith |
| CN1308639A (en) * | 1998-07-01 | 2001-08-15 | 加利福尼亚技术学院 | Linear cyclodextrin copolymers |
| CN104492286A (en) * | 2014-12-19 | 2015-04-08 | 天津工业大学 | Preparation and application of support layer functionalized adsorption-enhanced type composite ultrafiltration membrane |
| CN109173746A (en) * | 2018-09-06 | 2019-01-11 | 浙江大学 | The compound membrane preparation method of micropollutants in a kind of high efficiency filter water |
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Application publication date: 20190716 |