CN106496768A - A kind of anti-shrink Polywoven Bag and preparation method thereof - Google Patents
A kind of anti-shrink Polywoven Bag and preparation method thereof Download PDFInfo
- Publication number
- CN106496768A CN106496768A CN201610833522.9A CN201610833522A CN106496768A CN 106496768 A CN106496768 A CN 106496768A CN 201610833522 A CN201610833522 A CN 201610833522A CN 106496768 A CN106496768 A CN 106496768A
- Authority
- CN
- China
- Prior art keywords
- shrink
- polywoven bag
- parts
- bag
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- 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
- C08L2203/00—Applications
- C08L2203/12—Applications used for fibers
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of anti-shrink Polywoven Bag, with polypropylene as base material, optimize masterbatch raw material type and formula, improve production technology, science compounding is remarkably improved Polywoven Bag anti-contracility energy, the modified Nano carbon of relative tensile load, intensity, toughness and elastic modelling quantity；It is remarkably improved Polywoven Bag shock resistance and easily biological-degradable, the Cerasus humilis Bunge fiber of reduction production cost；Polyethylene/winter rye the peptide complexes of Polywoven Bag resistance to low temperature are greatly improved, the Semen Armeniacae Amarum oil of Polywoven Bag lubricity and non-oxidizability can be effectively improved；A kind of anti-shrink Polywoven Bag is finally obtained.The molding shrinkage of the preparing raw material of the Polywoven Bag is relatively low, reduce by 45 47% than the molding shrinkage of commercially available low-shrinkage modified polypropylene material, there is excellent anti-contracility energy, the anti-shrink plastics material woven bag good stability of the dimension of preparation, do not shrink, environmental demand is especially suitable for during storage, use, dimensionally stable will not produce Shrinkage behavior.
Description
Technical field
The present invention relates to Polywoven Bag, and in particular to a kind of anti-shrink Polywoven Bag and preparation method thereof.
Background technology
Polywoven Bag is with polypropylene (PP), polyethylene (PE) resin as primary raw material, adds a small amount of adjuvant, after mixing
Filamentation is cut in the melting of extruded machine, extruded plastic foil, is stretched under less than resin melt temperature, by molecular orientation with
The flat filament of high intensity, low elongation is made in thermal finalization, then rolled, weave cotton cloth, Polywoven Bag is made in cutting, suture.Plastics are compiled
Knit bag and be divided into TA types, A types, Type B and c-type by loading mass scope, TA types are to allow for allowing 10～20kg of loading mass, A types
21～30kg of loading mass, Type B are to allow 51～60kg of loading mass for allowing 31～50kg of loading mass, c-type.Plastic knitting
Bag has that smooth, tension intensity is high, packing is convenient, corrosion-resistant, does not absorb water, does not go mouldy, is easy to handling, pile, carrying and storage
The advantages of, it is adaptable to the packaging of the granular such as industrial chemicals, chemical fertilizer, cement, food, building material and flexible product, is current
Most widely used packaging product on market.
Polypropylene belongs to semicrystalline resin, and its molding shrinkage is generally 1.4-2.6%, with acrylonitrile-butadiene-benzene
(molding shrinkage is 0.4- to the amorphous materialses such as ethylene-dien terpolymer (ABS), polystyrene (PS), Merlon (PC)
0.8%) compare much greater.Also known as secondary shrinkage factor, molding shrinkage herein refers to that material is molded system after moulding
Size difference between product and mold cavity.Plastic is fetched into from mould to be stablized in this period of time, and size still occurs small
Change, a kind of change is to continue with shrinking, and this contraction is referred to as after-contraction.Another kind of change is some hydroscopic plastics because of moisture absorption
There is expansion.The control of polyacrylic shrinkage factor is applied to that range effects are larger, during the injection, storage and use in product
Shrinkage behavior occurs often, causes product to produce warpage, local produces internal stress and product size is unstable.Therefore, reduce
The shrinkage factor of PP becomes the important research direction for improving PP performances.
Polyacrylic above-mentioned retractable property and is disappeared to enterprise, client in the preparation of Polywoven Bag, storage and using process
Expense person brings inconvenience, has had a strong impact on product quality and service request, constrains the production and selling of plastic knitting, resistance
The further development of industry is hindered.
At present, the patent of disclosed anti-shrink polypropylene plastics woven bag or technical literature are less, the anti-receipts of correlation
Polycondensation propylene material more:104140590 A of Chinese patent CN disclose the polypropylene film material that a kind of heat resistanceheat resistant shrinks and
Its preparation method, the polypropylene film material that heat resistanceheat resistant is shunk are made up of according to weight ratio following component：Polipropene 25～30 part, poly-
15～18 parts of acid imide, 8～14 parts of poly terephthalic acid dipropyl, 3～4 parts of trimethylene glycol, isophthalic acid be 2～5 parts, two
Dicyclopentadiene is 6～7 parts, styrene is 2～3 parts.The preparation method of the polypropylene film material that heat resistanceheat resistant is shunk is mixing, melts
Melt, extrude, rolling, film forming.The polypropylene film material for preparing overcomes the heating of conventional polypropylene films material and easily sends out
The raw problem that shrinks.105218951 A of Chinese patent CN disclose a kind of low-shrinkage modified polypropylene material, are pressed by following
The raw material of parts by weight meter is prepared from：Acrylic resin 40-80 parts, four-leg crystal whisker of zinc oxide 2-5 parts, inorganic particle 10-
20 parts, α nucleator 0.05-1.2 parts, antioxidant 1-5 parts, high density polyethylene (HDPE) 5-30 parts；The acrylic resin is poly- for copolymerization
The melt flow rate (MFR) of propylene K9026, the COPP K9026 under 230 DEG C × 2.16kg test conditions is 30g/
10min.Synergism of the invention using whisker, high density polyethylene (HDPE) and inorganic particle three, particularly tetrapod-like ZnO
The interpolation of whisker, not only greatly reduces polyacrylic molding shrinkage, and the mechanical property of material is also greatly improved.Chinese patent
105745269 A of CN disclose a kind of polypropene composition with the shrinkage factor for reducing and the mechanical performance of balance, described poly-
Propylene compositions include Noblen, two kinds of heterophasic propylene copolymers, elastic ethylene copolymer and inorganic fillers.Chinese special
105273301 A of sharp CN disclose a kind of low-shrinkage PP composite material.It is made up of the raw material of following mass fraction：Poly-
Allyl resin 59.5-89.95 parts, metallocene linear-low density polyethylene 10-35 parts, toughener 1-5 parts and Pulvis Talci 0.05-
0.5 part.The invention gathering using metallocene linear-low density polyethylene, toughener and talcous mixture and low-shrinkage
Propylene blending and modifying is prepared, and solves the problems, such as that polypropylene shrinkage factor is big, easy to operate, be can be widely applied to shrinkage factor
Require the direct injection production of higher high-grade part and for modified base resin once again.
The antishrinking agent feature lists such as Pulvis Talci that related polypropylene plastics material disclosed above is used, ZnOw
First, be not suitable for the performance requirement of polypropylene plastics woven bag, elongation at break, opposing tensile forces, impact strength etc. can be caused
Other physical properties and performance decline.Anti-shrink effect is also not ideal；The inserts for being used simultaneously mostly are silicate
With the inorganic salt fillers such as Calcium Carbonate not easily biological-degradable, easily make alkalization of soils, severe environmental pollution can be caused.
Carbon fiber is in traditional use in addition to heat-insulating material is used as.Many as reinforcing material be added to resin, metal,
In the materials such as pottery, concrete, composite is constituted.Carbon fiber has become the most important reinforcing material of advanced composite material.By
In carbon fibre composite have light and strong, light and just, high temperature resistant, corrosion-resistant, endurance, physical dimension good stability and set
Meter property good, can large area global formation the features such as, the every field in Aero-Space, defence and military and civilian industry is obtained extensively
General application.Carbon fiber can be processed into fabric, felt, seat, band, paper and other materials.High-performance carbon fibre is manufacture advanced composite material
Expect most important reinforcing material.
CNT has high intensity, toughness and elastic modelling quantity in terms of mechanics.Its elasticity is up to 1TPa, about steel
5 times, almost identical with the elastic modelling quantity of diamond, its elastic strain is about 5%, reaches as high as 12%.CNT no matter
It is intensity or toughness is all far superior to any fibrous material.Using CNT as composite material reinforcement body, can show good
Intensity well, elasticity, fatigue resistance.CNT not only has excellent mechanical property, and also there is excellent electricity, optical
Energy.Many experiments show, compared with other reinforcements (such as white carbon black, carbon fiber or metal charge etc.), CNT is to polymerization
The improvement of thing based composites electric conductivity is more notable, and as CNT has nano-grade size, addition is few, its
Polymer composites can also strengthen its mechanical performance and other performance while good electric conductivity is obtained, while also
Be conducive to the design of macromolecular material other performance, therefore suffer from extensive concern.
But the active group of carbon fiber, carbon nano tube surface is considerably less, the interaction with macromolecular material group is very
Weak, and the draw ratio and specific surface area of CNT are big, divide for are prepared in the polymer
Dissipate uniformly, agglomeration easily occur, it is impossible to embody its excellent properties.Therefore the surface modification of CNT is seemed extremely
Important.
To sum up, with polypropylene as base material, masterbatch raw material type and formula are optimized, science compounds modified carbon fiber and carbon
Nanotube, replaces Calcium Carbonate and silicate with organic degradable filler, improves production technology, prepares a kind of physical property and use
Anti-shrink Polywoven Bag of good performance is necessary.
Content of the invention
Technical problem solved by the invention is the defect for overcoming existing anti-shrink woven bag and preparation method thereof, with poly- third
Alkene is base material, optimizes masterbatch raw material type and formula, improves production technology, and science compounding is remarkably improved the anti-receipts of Polywoven Bag
Contracting performance, resistance to elevated temperatures, the modified Nano carbon of relative tensile load, intensity, toughness and elastic modelling quantity；It is remarkably improved plastics
Woven bag shock resistance and easily biological-degradable, the Cerasus humilis Bunge fiber of reduction production cost；It is greatly improved Polywoven Bag resistance to low
Polyethylene/winter rye the peptide complexes of warm nature energy, can effectively improve the Semen Armeniacae Amarum oil of Polywoven Bag lubricity and non-oxidizability；
With other processing aid synergism, a kind of good environment-friendly type anti-shrink Polywoven Bag of physical property is finally obtained；
In order to achieve the above object, the present invention is employed the following technical solutions：
A kind of anti-shrink Polywoven Bag, is mainly prepared by the raw material of following parts by weight：
100 parts of polypropylene, Cerasus humilis Bunge fiber 12-16 parts, linear low density polyethylene 10-12 part, polyoxymethylenes 5-7 parts,
Polyethylene/winter rye peptide complexes 3-5 parts, modified Nano carbon 2-4 parts, ethylene-methyl acrylate copolymer 1.5-2.5 parts are prevented
Aging dose of 1.2-3 part, tributyl citrate 0.8-1.2 part, coupling agent 0.8-1.2 parts, Tissuemat E 0.6-1.0 parts are combined anti-
Oxygen agent 0.3-0.5 parts, Semen Armeniacae Amarum oil 0.1-0.4 parts；
Further, the Cerasus humilis Bunge fiber is the natural plants Cerasus humilis Bunge stem higher with calcic, iron, leaf of Cerasus humilis Bunge and waste wood
Consider to be worth doing as raw material, through being cleaned by ultrasonic, ultrasound and high-pressure pulse electric extract, biobleaching and appropriateness enzymolysis, microwave drying, extruding
Expanded, micronizing and be obtained；
Preferably, the preparation method of the Cerasus humilis Bunge fiber, comprises the steps：By fresh Cerasus humilis Bunge stem, leaf of Cerasus humilis Bunge and waste wood
Bits 3-7 in mass ratio:2-6:1-2 uniformly mixes, and is placed in ultrasonic washing unit and cleans 3-5min in 200W, 30KHz, drains,
Broken, the water of addition fragment quality 0.5-1.5 times, room temperature 200-400W, 35-40KHz condition supersound extraction 10-15min, so
Afterwards in electric field intensity 20-40kV/cm, burst length 400-600 μ s carry out high-voltage pulse under the conditions of pulse frequency 200-400Hz
Electric field treatment 10-15min；Regulation pH value is 6-10, adds the enzyme of mixture quality 0.1-0.3%, digests in 50-60 DEG C
10-15min；Enzymolysis solution is evaporated to solid content for 40-60%, is put into microwave dryer in 2000W, 130-150 DEG C
Intermittent drying is carried out, moisture is allowed to and is reached 8-10%, be then crushed to particle diameter 0.4-0.6mm, add ground product quality 0.2-
0.4% sodium bicarbonate, uniform mixing adjust mixture moisture for 15-18%, room temperature, sealing and standing 1.5-2.5h, in
Screw speed 105-115r/min, temperature 140-160 DEG C condition extruding puffing, then micronizing is to 10-15 μm of particle diameter, finally
4-6h is dried in 100-115 DEG C and obtains final product Cerasus humilis Bunge fiber；
The enzyme be alkalescent xylanase, laccase, glucanase, seminase, pectase, tannase in mass ratio
2-4:1-3:1-3:0.5-1.5:0.4-1:0.2-0.8 uniformly mixes.
Further, the modified Nano carbon is in water phase by single wall or multi-walled carbon nano-tubes and carbon fiber with Ammonium persulfate.
System gentle reaction purification, modification after ultrasonic disperse and high voltage pulse electric field processing are obtained；
Preferably, the preparation method of the modified Nano carbon, comprises the steps：By middle modules carbon fibre, single
Pipe, Ammonium persulfate. and deionized water in mass ratio 1:0.6-0.8:70-80:1000 uniform mixing, first power 200-400W,
Frequency 20-24KHz supersound process 20-40min, then in electric field intensity 2-6kV/cm, burst length 100-300 μ s, pulse frequency
High voltage pulse electric field processing 10-15min is carried out under the conditions of rate 200-400Hz；Mixture after through process is in rotating speed 100-120r/
Min, temperature 50-70 DEG C reaction 0.5-2.5h, reactant liquor are filtered with the PP micropore filtering films in 0.22 μm of aperture, and spend from
Sub- water cyclic washing is most dried under vacuum to constant weight after 70-80 DEG C to neutrality, crushes, obtains final product modified Nano carbon.
Further, the polyethylene/winter rye peptide complexes are gathered with the synthetic resin with good resistance to low temperature
Ethylene and the blending of the winter rye antifreeze peptide with excellent anti-freezing property, co-melting, extruding pelletization are formed；
Preferably, the preparation method of the polyethylene/winter rye peptide complexes, comprises the steps：
1) preparation of winter rye peptide：By the seed sabot of winter rye, 6- is processed in electric field intensity 4-6kV/cm high-pressure electrostatic
8min；Then soaking at room temperature 1-3h in salicylic acid solution of the concentration for 12-18mg/L, while in electric field intensity 6-10kV/cm,
Burst length 100-200 μ s, carry out high voltage pulse electric field processing under the conditions of pulse frequency 200-400Hz；Rinse, drain, in 3-5
DEG C 18-24h is stood, then successively in 1-3 DEG C of cold preservation 2-4d, -3--5 DEG C of freezing 1-3d, -15--18 DEG C of freezing 10-15h, immediately
Outdoor natural light photograph is placed on, seed half is crushed after thawing immediately, ground product particle diameter 0.5-1.5mm is subsequently added into crushing
The water of amount of substance 2-4 times, is 3.5-5.5 with newborn acid for adjusting pH value；It is eventually adding the mixing of mixed liquor quality 1.3-1.7%
Enzyme, digests 10-30min in 35-50 DEG C first, then digests 20-40min in 50-60 DEG C；Enzymolysis solution is filtered, filtrate decompression is dense
Contracting, lyophilization obtain final product winter rye peptide；
The mixed enzyme is protease, cellulase, amylase, pectase 5-7 in mass ratio:4-6:1-3:0.5-1.5
Uniform mixing.
2) winter rye peptide is sufficiently mixed in proportion with polyethylene, maleic anhydride, styrene, initiator and antioxidant, weight
Measuring ratio is：Polyethylene: winter rye peptide: maleic anhydride: styrene: initiator: antioxidant=100: 2-10: 3-20: 1-15: 0.1-
5∶0.1-1；
3) by step 2) compound that obtains adds double screw extruder frit reaction, extruding pelletization, control twin screw to squeeze
Go out machine and die temperature at 145-180 DEG C, screw speed is 30-200r/min, stop of the reactant in double screw extruder
Time control obtains final product polyethylene/winter rye peptide complexes in the 10-100 seconds.
Further, the Semen Armeniacae Amarum oil is with Semen Armeniacae Amarum as raw material, soaking detoxification, microwave exposure enzyme denaturing, freezing crushing,
The extract at low temperature techniques such as biological enzymolysis, biological demulsifying agent breakdown of emulsion, traditional vacuum are obtained；
Preferably, the preparation method of the Semen Armeniacae Amarum oil, comprises the steps：Semen Armeniacae Amarum is immersed mass percent concentration
Rinse, drain for room temperature in the sodium bicarbonate solution of 0.01-0.03%, put sealing and standing moistening 1-3h in container, then peel,
Decortication Semen Armeniacae Amarum is put in microwave dryer in frequency 2450MHz, power 1000-3000W, temperature 80-90 DEG C, thickness of feed layer
3-5cm condition microwave exposure enzyme denaturing 2-4min；It is then placed in room in the citric acid solution that mass percent concentration is 0.1-0.3%
Warm macerating steeps 2-4h, and clear water is rinsed 1-3 time, drained, and in -20--25 DEG C, thickness of feed layer 8-10cm freezing 3-5h, is crushed to particle diameter
0.4-0.6mm obtains Semen Armeniacae Amarum powder；The pH value of its quality 3-5 times is added in Semen Armeniacae Amarum powder for the deionized water of 4.5-6.5, uniformly
Mixing, controls mixed material temperature for 45-55 DEG C, is added thereto to the compound enzyme of Semen Armeniacae Amarum silty amount 0.03-0.05%, stir
Uniformly, it is incubated, digests 40-60min；Enzymolysis solution is put vacuum -0.01--0.03MPa, temperature 10-20 in vacuum centrifuge
DEG C, rotating speed 10000r/min, traditional vacuum 5-8min, isolated free oil, emulsion, hydrolyzed solution and Semen Armeniacae Amarum from top to bottom
The emulsion for obtaining is controlled temperature for 30-50 DEG C, adds the biological demulsifying agent breakdown of emulsion of emulsion quality 0.02-0.04% by slag
40-60min, breakdown of emulsion is after vacuum -0.01--0.03MPa, temperature 10-20 DEG C, 5000r/min traditional vacuum 10- again
15min obtains free oil, and the free oil for merging gained obtains final product Semen Armeniacae Amarum oil；
The quality of the compound enzyme is consisted of：Acid protease:Cellulase:Pectase:Amylase=6-9:2-4:1-
3:1-3；
The quality of the biological demulsifying agent is consisted of：Glycolipid class:Lipopeptid class:Cell wall combines class=4-6:2-4:1-3；
The quality of the glycolipid class biological demulsifying agent is consisted of：Rhamnolipid:Alkyl polyglucoside=2-5:1-3；
Preferably, the ethylene-methyl acrylate copolymer preferably uses Dupont EMA1125AC；
Preferably, the composite antioxidant is antioxidant 1010 and irgasfos 168 1-2 in mass ratio:2-4 uniformly mixes.
Another object of the present invention is to provide the preparation method of above-mentioned anti-shrink Polywoven Bag, comprises the steps：First
Each raw material is accurately weighed according to formula, and according to equal increments method principle, batch mixing, after mix homogeneously, controls compound while stirring
Thickness degree is 5-10cm, then dries 20-40min in 100-120 DEG C, and compound after drying is 230 DEG C -250 in temperature
Plastify into molten at DEG C, be extruded into thin film, cool down, be cut into embryo silk, through wire drawing, weave cotton cloth, be coated with, bag, turn over bag, cutting, print
Brush, sewing, packing obtain final product anti-shrink Polywoven Bag.
Further, the power of agitator is per kilogram compound 2.5-3.5kW；
Further, draw ratio when being extruded into thin film is 1:6-6.5, pressure are 9-11Mpa；
Further, the cooling is with the water cooling that temperature is 45-48 DEG C；
Further, the draw ratio of the drawing process is 5-7.
Beneficial effect：
The present invention optimizes masterbatch raw material type and formula with polypropylene as base material, improves production technology, and science compounding can show
Write and improve Polywoven Bag anti-contracility energy, resistance to elevated temperatures, the modification of relative tensile load, intensity, toughness and elastic modelling quantity
Nano-sized carbon；It is remarkably improved Polywoven Bag shock resistance and easily biological-degradable, the Cerasus humilis Bunge fiber of reduction production cost；Can be big
Big polyethylene/winter rye the peptide complexes for improving Polywoven Bag resistance to low temperature, can effectively improve Polywoven Bag lubricity
And the Semen Armeniacae Amarum oil of non-oxidizability；With other processing aid synergism, a kind of good environment-friendly type of physical property is finally obtained
Anti-shrink Polywoven Bag.Test shows：1) molding shrinkage of the preparing raw material of anti-shrink Polywoven Bag of the present invention is relatively low,
Reduce 45-47% than the molding shrinkage of commercially available low-shrinkage modified polypropylene material, with excellent anti-contracility energy, adopt
The anti-shrink plastics material woven bag good stability of the dimension prepared with above-mentioned raw materials, does not shrink.Also illustrate prepared by the present invention simultaneously
Polywoven Bag is especially suitable for environmental demand during storage, use, and dimensionally stable will not produce Shrinkage behavior.2) with existing
There is anti-shrink Polywoven Bag to compare, anti-shrink Polywoven Bag of the present invention has superior physical property：Its multi tension is born
Lotus be 508-908 (N/50mm), peeling force 5.5 (N/30mm), be significantly higher than respectively commercially available 345-747 (N/50mm), 3.8
(N/30mm)；There is powerful shock resistance：2 meters of height fall, and any direction is without bale broken, and commercially available broken rate is
52%；There is stronger anti-ultraviolet property：Through 60 DEG C, 0.63W/m2Irradiation exposes 8h and 50 DEG C and exposes 4h friendships without irradiation condensation
After for test 144h, multi tension load conservation rate is 76-86%, is significantly higher than commercially available 62-70%.3) with commercially available anti-shrink
Polywoven Bag is compared, respectively at 0 DEG C, -10 DEG C, -20 DEG C, -30 DEG C, -40 DEG C of storage 24h, present invention modeling after fill material
Less, without bale broken, and commercially available -30 DEG C start a large amount of fracture of wires and bale broken to material woven bag appearance damage, and broken rate is from 1% violent increase
To 22%, illustrate that the low temperature resistant storage temperature of Polywoven Bag of the present invention reaches as high as -40 DEG C, commercially available is only -20 DEG C, and -30 DEG C are opened
Begin to use；Polywoven Bag rupture strength retention of the present invention is still simultaneously：78-93%, and commercially available only 32-67%；
Extension at break conservation rate 76-92%, and commercially available only 31-64%, illustrate that Polywoven Bag of the present invention is remained to after low temperature storage
Preferable physical property and performance is kept, compared with prior art, resistance to low temperature is superior；4) with commercially available anti-shrink plastics
Woven bag is compared, and through temperature of charge, 160 DEG C, 170 DEG C, 180 DEG C, 190 DEG C, 200 DEG C carry out fill, outside Polywoven Bag of the present invention
Sight does little harm, broken rate highest 2%, and starts a large amount of fracture of wires and bonding available commercially from 180 DEG C of fill temperature, and broken rate is from 1%
Acutely increase by 85%, illustrate that the fill temperature of Polywoven Bag of the present invention reaches as high as 200 DEG C, commercially available is only 170 DEG C, commercially available
180 DEG C of beginnings cannot be used；After room temperature natural storage 24h, rupture strength retention of the present invention is still：79-98%, and commercially available
Only 25-81%；Extension at break conservation rate 78-94%, and commercially available only 19-79%, illustrate anti-shrink plastic knitting of the present invention
Bag remains to keep preferable physical property and performance after high-temperature filling, and resistance to elevated temperatures is superior.Particular technique effect is shown in
Embodiment 7-10), particular technique principle is as follows：
1. the Cerasus humilis Bunge fiber that prepared by the present invention is the natural plants Cerasus humilis Bunge stem higher with calcic, iron, leaf of Cerasus humilis Bunge and gives up
Wood flour is raw material, through ultrasonic cleaning, ultrasound and high-pressure pulse electric extraction, biobleaching and faint enzymolysis, microwave drying, squeezes
Press expanded, micronizing and be obtained, multiple treatment technologies are combined, synergism, particularly after crushed, added a certain amount of
Sodium bicarbonate, sealing and standing after adjusted moisture, then extruding puffing, can significantly increase the specific surface area of Cerasus humilis Bunge fiber, net
Lattice structure is more enriched, and puffed degree, dilatancy, thickening property are higher, and cellulose specific surface area increases, and absorption affinity is increased with tensile resistence
By force, merge with metal ions such as calcium therein, ferrum, you can improve toughness, the elasticity of Polywoven Bag, plastic knitting can be improved again
The shock resistance of bag.Simultaneously kinds of processes combination can effectively improve the draw ratio and surface adhesion of fiber grain, improve with
Polypropylene base material and the compatibility of other resins, can be dispersed and compatible in polypropylene base material, and its science is compounded in filling out
Fill in masterbatch, Calcium Carbonate of the prior art, nano-calcium carbonate and silicate (clay, Actinolitum etc.) can be substituted completely, not only
Polywoven Bag shock resistance, and easily biological-degradable, reduction production cost is remarkably improved, is improved soil constituent, is increased
The content of organic matter, environmentally friendly.Also improve the value of Cerasus humilis Bunge stem and leaf and waste wood simultaneously, turn waste into wealth, beneficial to promotion " three
Agriculture " is built.
2. the modified Nano carbon that prepared by the present invention is by single wall or multi-walled carbon nano-tubes, carbon fiber, Ammonium persulfate. and water section
Compounding is learned, through ultrasonic disperse and high voltage pulse electric field processing, alternate electric field and magnetic field, strong concussion, water can be produced mutually electric
From, Oxidation, homogeneous, stable nanotube dispersion is formed, is then reacted at a lower temperature, CNT is carried out
Comprehensive be surface-treated, producing hydroxyl, carbonyl and a small amount of carboxyl on the surface of CNT, carbon fiber, these groups are deposited
CNT, carbon fiber is soluble in water or the organic solvent of DMF isopolarities in, finally give dissolubility stronger
The long CNT of solubility, short carbon nanometer tube and carbon fiber.It is added in filling master batch comprehensively, uniformly disperseing, fills out
It is charged in polypropylene base material, gives full play to the material property of CNT and carbon fiber, is remarkably improved the anti-receipts of Polywoven Bag
Contracting performance (dimensional stability), relative tensile load, intensity, toughness and elastic modelling quantity；The advantage of the method is：1) CNT
Length is controllable：The distribution of lengths of CNT can have the change of reaction condition and control, when CNT is in higher temperature
When the lower ammonium persulfate solution by high concentration is processed, the CNT being truncated can be obtained；When the concentration of Ammonium persulfate. is relatively low or
When person's reaction temperature is relatively low, CNT will not be truncated；2) use of traditional strong acid, highly basic, high safety are avoided；3)
Processes and apparatus is simple, and reaction is gentle, efficiency high；4) use of the surfactant of costliness, low cost are avoided；5) with water and
Neutral sulfatase is reaction dissolvent and raw material, environmentally friendly；6) scale and can commercially produce.
3. polyethylene/winter rye peptide complexes that prepared by the present invention are gathered with the synthetic resin with good resistance to low temperature
Ethylene and the blending of the winter rye antifreeze peptide with excellent anti-freezing property, co-melting, extruding pelletization are formed；The winter rye peptide is containing
The winter rye seed for having abundant freeze proof substrate is prepared by raw material, by high-pressure electrostatic process, high-pressure pulse electric auxiliary salicylic acid
Induction, low temperature segmentation Stress treatment and natural lighting are organically combined so that active seed containing freeze proof substrate itself is in Wai Jie
Under the stress of environment and induction, freeze proof matrix components have obtained most comprehensive, most abundant synthesis and accumulation, after blended enzyme enzymolysis
Maximizing dissolution, while increase can freeze proof peptide content, has significantly delayed the formation of ice crystal, has reduced ice crystal to high score
The effect of stabbing of subtree fat, enhances the cryoprotective effects of polypropylene base material, improves the resistance to low temperature of Polywoven Bag, and poly-
Ethylene science compound, blending, co-melting, generate unexpected cryoprotective effects, its resistance to low temperature is significantly increased；It is particularly which
In the seed fat that contains also can further improve mobility, lubricity and the non-oxidizability of complex and polypropylene base material.
4. the Semen Armeniacae Amarum oil that prepared by the present invention with Semen Armeniacae Amarum as raw material, through microwave exposure enzyme denaturing, freezing crushing, enzymolysis, true
Free oil, emulsion, hydrolyzed solution and Semen Armeniacae Amarum slag are obtained after empty centrifugation, emulsion therein is carried out after biological demulsifying vacuum again
Centrifugation obtains free oil, free oil is merged and is obtained final product, relative to the Oleum Terebinthinae in existing filling master batch, coix seed oil and mandarin oil
Say that the anti-oxidation active substances such as unsaturated fatty acid therein and VE are higher, its lubricity, mobility and non-oxidizability are higher.
It should be noted that anti-shrink Polywoven Bag of the present invention has the technical effect that each component mutually cooperates with, interacts
Result, the superposition of not simple raw material function the science compounding of each raw material components and extracts, the effect of generation considerably beyond
Each single component function and the superposition of effect, with preferable advanced and practicality.
Specific embodiment
Below by the specific embodiment narration present invention.Unless stated otherwise, technological means used in the present invention
It is method known in those skilled in the art.In addition, embodiment be interpreted as illustrative, and unrestricted the present invention
Scope, the spirit and scope of the invention are limited only by the claims that follow.To those skilled in the art, without departing substantially from this
On the premise of invention spirit and scope, various changes that the material component and consumption in these embodiments is carried out are changed
Belong to protection scope of the present invention.
Prepared by 1 raw material of embodiment
1. the preparation of Cerasus humilis Bunge fiber：
The preparation method of the Cerasus humilis Bunge fiber, comprises the steps：Fresh Cerasus humilis Bunge stem, leaf of Cerasus humilis Bunge and waste wood are pressed quality
Than 5:4:1.5 uniform mixing, are placed in ultrasonic washing unit and clean 4min in 200W, 30KHz, drain, and crush, and add fragment
The water that 1 times of quality, room temperature 300W, 40KHz condition supersound extraction 12min, then in electric field intensity 30kV/cm, the burst length 500
μ s, carry out high voltage pulse electric field processing 12min under the conditions of pulse frequency 300Hz；It is 8 to adjust pH value, adds mixture quality
0.2% enzyme, digests 12min in 55 DEG C；It is 50% that enzymolysis solution is evaporated to solid content, is put into microwave dryer
Intermittent drying is carried out in 2000W, 140 DEG C, moisture is allowed to and is reached 9%, be then crushed to particle diameter 0.5mm, add comminuted material
The sodium bicarbonate of amount 0.3%, uniform mixing, adjustment mixture moisture are 17%, and room temperature, sealing and standing 2h turn in screw rod
Fast 110r/min, 150 DEG C of condition extruding puffings of temperature, then micronizing most dry 5h after 105 DEG C and obtain final product to 12 μm of particle diameter
Cerasus humilis Bunge fiber；
The enzyme be alkalescent xylanase, laccase, glucanase, seminase, pectase, tannase in mass ratio
3:2:2:1:0.7:0.5 uniform mixing.
2. the preparation of modified Nano carbon：
The preparation method of the modified Nano carbon, comprises the steps：By middle modules carbon fibre, SWCN, over cure
Sour ammonium and deionized water in mass ratio 1:0.7:75:1000 uniform mixing, first in power 300W, frequency 22KHz supersound process
30min, then in electric field intensity 4kV/cm, 200 μ s of burst length carry out high-pressure pulse electric under the conditions of pulse frequency 300Hz
Process 12min；Mixture after through process is in rotating speed 110r/min, temperature 60 C reaction 2h, 0.22 μm of aperture of reactant liquor
PP micropore filtering films are filtered, and deionized water cyclic washing is most dried under vacuum to constant weight, powder after 75 DEG C to neutrality
Broken, obtain final product modified Nano carbon.
3. the preparation of polyethylene/winter rye peptide complexes：
The preparation method of the polyethylene/winter rye peptide complexes, comprises the steps：
1) preparation of winter rye peptide：By the seed sabot of winter rye, 7min is processed in electric field intensity 5kV/cm high-pressure electrostatic；
Then concentration for 15mg/L salicylic acid solution in soaking at room temperature 2h, while in electric field intensity 8kV/cm, 150 μ of burst length
S, carries out high voltage pulse electric field processing under the conditions of pulse frequency 300Hz；Rinse, drain, 21h are stood in 4 DEG C, then successively 2
DEG C cold preservation 3d, -4 DEG C of freezing 2d, -17 DEG C of freezing 12h, is immediately placed at outdoor natural light photograph, seed half is carried out after thawing immediately
Crush, ground product particle diameter 1mm is subsequently added into the water of 3 times of ground product quality, be 4.5 with newborn acid for adjusting pH value；It is eventually adding mixing
The mixed enzyme of feed liquid quality 1.5%, digests 20min in 42 DEG C first, then digests 30min in 55 DEG C；Enzymolysis solution is filtered, filtrate
Concentrating under reduced pressure, lyophilization obtain final product winter rye peptide；
The mixed enzyme is protease, cellulase, amylase, pectase in mass ratio 6:5:2:1 uniform mixing；
2) winter rye peptide is sufficiently mixed in proportion with polyethylene, maleic anhydride, styrene, initiator and antioxidant, weight
Measuring ratio is：Polyethylene: winter rye peptide: maleic anhydride: styrene: initiator: antioxidant=100: 6: 10: 7: 2.6: 0.5；
3) by step 2) compound that obtains adds double screw extruder frit reaction, extruding pelletization, control twin screw to squeeze
Go out machine and die temperature at 162 DEG C, screw speed is 115r/min, time of staying control of the reactant in double screw extruder
At 55 seconds, polyethylene/winter rye peptide complexes are obtained final product.
4. the preparation of Semen Armeniacae Amarum oil：
The preparation method of the Semen Armeniacae Amarum oil, comprises the steps：By Semen Armeniacae Amarum immersion mass percent concentration it is
In 0.02% sodium bicarbonate solution, room temperature is rinsed, is drained, and is put sealing and standing moistening 2h in container, is then peeled, will be bitter for decortication
Semen Armeniacae Amarum is put in microwave dryer in frequency 2450MHz, power 2000W, 85 DEG C of temperature, thickness of feed layer 4cm condition microwave exposure
Enzyme denaturing 3min；Soaking at room temperature 3h in the citric acid solution that mass percent concentration is 0.2% is then placed in, clear water is rinsed 2 times, drip
Dry, in -23 DEG C, thickness of feed layer 9cm freezing 4h, it is crushed to particle diameter 0.5mm and obtains Semen Armeniacae Amarum powder；Its quality is added in Semen Armeniacae Amarum powder
4 times of pH value is 5.5 deionized water, uniform mixing, controls mixed material temperature for 50 DEG C, is added thereto to Semen Armeniacae Amarum silty
The compound enzyme of amount 0.04%, stirs, and is incubated, and digests 50min；By enzymolysis solution put vacuum in vacuum centrifuge-
0.02MPa, 15 DEG C of temperature, rotating speed 10000r/min, traditional vacuum 6min, from top to bottom isolated free oil, emulsion, water
The emulsion for obtaining is controlled temperature for 40 DEG C, adds the biological demulsifying agent of emulsion quality 0.03% by solution liquid and Semen Armeniacae Amarum slag
Breakdown of emulsion 50min, after vacuum -0.02MPa, 15 DEG C of temperature, 5000r/min, traditional vacuum 12min's breakdown of emulsion is dissociated again
Oil, the free oil for merging gained obtain final product Semen Armeniacae Amarum oil；
The quality of the compound enzyme is consisted of：Acid protease:Cellulase:Pectase:Amylase=7.5:3:2:2；
The quality of the biological demulsifying agent is consisted of：Glycolipid class:Lipopeptid class:Cell wall combines class=5:3:2；
The quality of the glycolipid class biological demulsifying agent is consisted of：Rhamnolipid:Alkyl polyglucoside=3:2.
Cerasus humilis Bunge fiber, modified Nano carbon, polyethylene/winter rye peptide complexes, bitter Fructus Pruni used in example 2 below -6
Core oil is prepared for embodiment 1, and other are commercial.
Embodiment 2
A kind of anti-shrink Polywoven Bag, is mainly prepared by the raw material of following parts by weight：
100 parts of polypropylene, 14 parts of Cerasus humilis Bunge fiber, 11 parts of linear low density polyethylene, 6 parts of polyoxymethylenes, polyethylene/winter
4 parts of rye (Secale cereale L.) peptide complexes, 3 parts of modified Nano carbon, 2 parts of ethylene-methyl acrylate copolymer, 2 parts of antiaging agent, three fourth of citric acid
2 parts of ester, 2 parts of coupling agent, 0.8 part of Tissuemat E, 0.4 part of composite antioxidant, 0.2 part of Semen Armeniacae Amarum oil；
The ethylene-methyl acrylate copolymer preferably uses Dupont EMA1125AC；
The composite antioxidant is antioxidant 1010 and irgasfos 168 in mass ratio 1.5:3 uniform mixing.
Preparation method, comprises the steps：It is first according to formula and accurately weighs each raw material, according to equal increments method principle,
Batch mixing, after mix homogeneously, controls to mix thickness of feed layer for 8cm, then dries 30min in 110 DEG C, after drying while stirring
Compound temperature be 240 DEG C at plastify into molten, be extruded into thin film, cool down, be cut into embryo silk, through wire drawing, weave cotton cloth, be coated with,
Bag, turn over bag, cutting, printing, sewing, packing obtain final product anti-shrink Polywoven Bag.
The power of agitator is per kilogram compound 3kW；
Draw ratio when being extruded into thin film is 1:6.2, pressure is 10Mpa；
The cooling is with the water cooling that temperature is 46 DEG C；
The draw ratio of the drawing process is 6.
Embodiment 3
A kind of anti-shrink Polywoven Bag, is mainly prepared by the raw material of following parts by weight：
100 parts of polypropylene, 12 parts of Cerasus humilis Bunge fiber, 10 parts of linear low density polyethylene, 5 parts of polyoxymethylenes, polyethylene/winter
3 parts of rye (Secale cereale L.) peptide complexes, 2 parts of modified Nano carbon, 1.5 parts of ethylene-methyl acrylate copolymer, 1.2 parts of antiaging agent, citric acid
0.8 part of tributyl, 0.8 part of coupling agent, 0.6 part of Tissuemat E, 0.3 part of composite antioxidant, 0.1 part of Semen Armeniacae Amarum oil；
The ethylene-methyl acrylate copolymer preferably uses Dupont EMA1125AC；
The composite antioxidant is antioxidant 1010 and irgasfos 168 in mass ratio 1:2 uniform mixing.
Preparation method, comprises the steps：It is first according to formula and accurately weighs each raw material, according to equal increments method principle,
Batch mixing, after mix homogeneously, controls to mix thickness of feed layer for 5cm, then dries 20min in 100 DEG C, after drying while stirring
Compound is to plastify into molten at 230 DEG C DEG C in temperature, is extruded into thin film, cools down, be cut into embryo silk, through wire drawing, weave cotton cloth, apply
Multiple, bag, turn over bag, cutting, printing, sewing, packing obtains final product anti-shrink Polywoven Bag.
The power of agitator is per kilogram compound 2.5kW；
Draw ratio when being extruded into thin film is 1:6, pressure is 9Mpa；
The cooling is with the water cooling that temperature is 45 DEG C；
The draw ratio of the drawing process is 5.
Embodiment 4
A kind of anti-shrink Polywoven Bag, is mainly prepared by the raw material of following parts by weight：
100 parts of polypropylene, 16 parts of Cerasus humilis Bunge fiber, 12 parts of linear low density polyethylene, 7 parts of polyoxymethylenes, polyethylene/winter
5 parts of rye (Secale cereale L.) peptide complexes, 4 parts of modified Nano carbon, 2.5 parts of ethylene-methyl acrylate copolymer, 3 parts of antiaging agent, citric acid three
1.2 parts of butyl ester, 1.2 parts of coupling agent, 1.0 parts of Tissuemat E, 0.5 part of composite antioxidant, 0.4 part of Semen Armeniacae Amarum oil；
The ethylene-methyl acrylate copolymer preferably uses Dupont EMA1125AC；
The composite antioxidant is antioxidant 1010 and irgasfos 168 in mass ratio 2:4 uniform mixing.
Preparation method, comprises the steps：It is first according to formula and accurately weighs each raw material, according to equal increments method principle,
Batch mixing, after mix homogeneously, controls to mix thickness of feed layer for 10cm, then dries 40min in 120 DEG C, after drying while stirring
Compound temperature be 250 DEG C at plastify into molten, be extruded into thin film, cool down, be cut into embryo silk, through wire drawing, weave cotton cloth, apply
Multiple, bag, turn over bag, cutting, printing, sewing, packing obtains final product anti-shrink Polywoven Bag.
The power of agitator is per kilogram compound 3.5kW；
Draw ratio when being extruded into thin film is 1:6.5, pressure is 11Mpa；
The cooling is with the water cooling that temperature is 48 DEG C；
The draw ratio of the drawing process is 7.
Embodiment 5
A kind of anti-shrink Polywoven Bag, is mainly prepared by the raw material of following parts by weight：
100 parts of polypropylene, 12 parts of Cerasus humilis Bunge fiber, 12 parts of linear low density polyethylene, 5 parts of polyoxymethylenes, polyethylene/winter
5 parts of rye (Secale cereale L.) peptide complexes, 2 parts of modified Nano carbon, 2.5 parts of ethylene-methyl acrylate copolymer, 1.2 parts of antiaging agent, citric acid
1.2 parts of tributyl, 0.8 part of coupling agent, 1.0 parts of Tissuemat E, 0.3 part of composite antioxidant, 0.4 part of Semen Armeniacae Amarum oil；
The composite antioxidant is antioxidant 1010 and irgasfos 168 in mass ratio 1:4 uniform mixing.
Preparation method, comprises the steps：It is first according to formula and accurately weighs each raw material, according to equal increments method principle,
Batch mixing, after mix homogeneously, controls to mix thickness of feed layer for 5cm, then dries 20min in 120 DEG C, after drying while stirring
Compound temperature be 250 DEG C at plastify into molten, be extruded into thin film, cool down, be cut into embryo silk, through wire drawing, weave cotton cloth, be coated with,
Bag, turn over bag, cutting, printing, sewing, packing obtain final product anti-shrink Polywoven Bag.
The power of agitator is per kilogram compound 2.5kW；
Draw ratio when being extruded into thin film is 1:6.5, pressure is 9Mpa；
The cooling is with the water cooling that temperature is 48 DEG C；
The draw ratio of the drawing process is 5.
Embodiment 6
A kind of anti-shrink Polywoven Bag, is mainly prepared by the raw material of following parts by weight：
100 parts of polypropylene, 16 parts of Cerasus humilis Bunge fiber, 10 parts of linear low density polyethylene, 7 parts of polyoxymethylenes, polyethylene/winter
3 parts of rye (Secale cereale L.) peptide complexes, 4 parts of modified Nano carbon, 1.5 parts of ethylene-methyl acrylate copolymer, 3 parts of antiaging agent, citric acid three
0.8 part of butyl ester, 1.2 parts of coupling agent, 0.6 part of Tissuemat E, 0.5 part of composite antioxidant, 0.1 part of Semen Armeniacae Amarum oil；
The composite antioxidant is antioxidant 1010 and irgasfos 168 in mass ratio 2:2 uniform mixing.
Preparation method, comprises the steps：It is first according to formula and accurately weighs each raw material, according to equal increments method principle,
Batch mixing, after mix homogeneously, controls to mix thickness of feed layer for 10cm, then dries 40min in 100 DEG C, after drying while stirring
Compound temperature be 230 DEG C DEG C at plastify into molten, be extruded into thin film, cool down, be cut into embryo silk, through wire drawing, weave cotton cloth, apply
Multiple, bag, turn over bag, cutting, printing, sewing, packing obtains final product anti-shrink Polywoven Bag.
The power of agitator is per kilogram compound 3.5kW；
Draw ratio when being extruded into thin film is 1:6, pressure is 11Mpa；
The cooling is with the water cooling that temperature is 45 DEG C；
The draw ratio of the drawing process is 7.
The Material shrinkage characteristic of 7 anti-shrink Polywoven Bag of the present invention of embodiment
With the Polywoven Bag preparing raw material of embodiment of the present invention 2-6 and commercially available low-shrinkage modified polypropylene material as inspection
Test sample product, press GB/T 17037.4-2003 after batch mixing, extrusion, pelletize, drying《Plastics thermoplastic material injection-molded test specimens
The 4th part of preparation：The measure of molding shrinkage》Regulation sampling, sample treatment and detection molding shrinkage, testing result such as table
1：
Table 1：The molding shrinkage of anti-shrink Polywoven Bag raw material
| Project | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Average | Commercially available | Difference |
| Lateral shrinkage (%) | 0.32 | 0.38 | 0.36 | 0.41 | 0.43 | 0.38 | 0.72 | - 47% |
| Longitudinal contraction rate (%) | 0.33 | 0.35 | 0.34 | 0.39 | 0.44 | 0.37 | 0.68 | - 45% |
Result above shows：The molding shrinkage of the preparing raw material of anti-shrink Polywoven Bag of the present invention is relatively low, than commercially available
Low-shrinkage modified polypropylene material molding shrinkage reduce 45-47%, with excellent anti-contracility energy, using above-mentioned
Anti-shrink plastics material woven bag good stability of the dimension prepared by raw material, does not shrink.Also illustrate that plastics prepared by the present invention are compiled simultaneously
Knitting bag and environmental demand being especially suitable for during storage, use, dimensionally stable will not produce Shrinkage behavior.
8 anti-shrink Polywoven Bag physical property of the present invention of embodiment, drop performance and anti-ultraviolet property
Open middle bagging-B-1050 × 650/40 of the polypropylene film that prepared with the preparation method of the embodiment of the present invention 2 ×
36 is detection object with commercially available identical category, model, through the polypropylene anti-shrink Polywoven Bag of weft density, according to GB/
T8946-2013《Polywoven Bag generic specifications》It is sampled, the physics of detection sample, falls and anti-ultraviolet property,
Testing result such as table 2：
Table 2：Anti-shrink Polywoven Bag correlated performance detection result
Result above shows, compared with existing anti-shrink Polywoven Bag, anti-shrink Polywoven Bag of the present invention has excellent
Physical property more：Its multi tension load is 508-908 (N/50mm), peeling force 5.5 (N/30mm), is significantly higher than city respectively
345-747 (N/50mm), 3.8 (N/30mm) for selling；There is powerful shock resistance：2 meters of height fall, and any direction is without broken
Bag, and commercially available broken rate is 52%；There is stronger anti-ultraviolet property：Through 60 DEG C, 0.63W/m2Irradiation exposes 8h and 50
DEG C without irradiation condensation expose 4h alternating test 144h after, multi tension load conservation rate be 76-86%, be significantly higher than commercially available
62-70%.There is preferably advanced and practicality compared with prior art.
It should be noted that：Polywoven Bag prepared by embodiment of the present invention 3-6 equally has above-mentioned experiment effect, each reality
Apply between example and little with above-mentioned experiment effect diversity.
The resistance to low temperature test of 9 anti-shrink Polywoven Bag of the present invention of embodiment
Open middle bagging-B-1050 × 650/40 of the polypropylene film that prepared with the preparation method of the embodiment of the present invention 2 ×
36 with commercially available identical category, model, the normal fill of polypropylene anti-shrink Polywoven Bag through weft density, packaging, filling system
Number stores 24h, the bag weaved difference of each type plastics in 0.80-0.85 respectively at 0 DEG C, -10 DEG C, -20 DEG C, -30 DEG C, -40 DEG C
The damages such as fill 100, observation Polywoven Bag bale broken, material leakage, and determine the fracture strength of Polywoven Bag flat filament
Conservation rate and extension at break conservation rate, take its Testing index meansigma methods (round numbers percentage ratio), statistical result such as table 3
Table 3：The resistance to low temperature of anti-shrink Polywoven Bag
Result above shows, compared with commercially available anti-shrink Polywoven Bag, after fill material respectively at 0 DEG C, -10 DEG C, -
20 DEG C, -30 DEG C, -40 DEG C of storage 24h, less, without bale broken, and commercially available -30 DEG C start greatly Polywoven Bag appearance damage of the present invention
Amount fracture of wire and bale broken, broken rate acutely increase to 22% from 1%, the low temperature resistant storage temperature highest of Polywoven Bag of the present invention are described
Reachable -40 DEG C, commercially available is only -20 DEG C, and -30 DEG C of beginnings cannot be used；While Polywoven Bag rupture strength retention of the present invention
It is still：78-93%, and commercially available only 32-67%；Extension at break conservation rate 76-92%, and commercially available only 31-64%, illustrate this
Invention Polywoven Bag remains to keep preferable physical property and performance after low temperature storage, compared with prior art, resistance to
Cryogenic property is superior, with preferable advanced and practicality.
It should be noted that：Polywoven Bag prepared by embodiment of the present invention 3-6 equally has above-mentioned experiment effect, each reality
Apply between example and little with above-mentioned experiment effect diversity.
The resistance to elevated temperatures test of 10 anti-shrink Polywoven Bag of the present invention of embodiment
Open middle bagging-B-1050 × 650/40 of the polypropylene film that prepared with the preparation method of the embodiment of the present invention 2 ×
36 with commercially available identical category, model, through weft density polypropylene anti-shrink Polywoven Bag respectively at 160 DEG C of temperature of charge,
170 DEG C, 180 DEG C, 190 DEG C, 200 DEG C carry out fill, packaging, and activity coefficient is in 0.80-0.85, room temperature natural storage 24h, every kind of
The each fill temperature of type plastics packaging bag distinguishes the damages such as fill 100, observation Polywoven Bag bale broken, material leakage, and
The rupture strength retention and extension at break conservation rate of Polywoven Bag flat filament is determined, the average (round numbers of its Testing index is taken
Percentage ratio), statistical result such as table 4
Table 4：The resistance to elevated temperatures of anti-shrink Polywoven Bag
Result above shows, compared with commercially available anti-shrink Polywoven Bag, through 160 DEG C of temperature of charge, 170 DEG C, 180 DEG C,
190 DEG C, 200 DEG C carry out fill, and Polywoven Bag appearance damage of the present invention is little, broken rate highest 2%, and available commercially from fill temperature
180 DEG C of degree starts a large amount of fracture of wires and bonding, and broken rate illustrates the fill of Polywoven Bag of the present invention from 1% violent increase by 85%
Temperature reaches as high as 200 DEG C, and commercially available is only 170 DEG C, and 180 DEG C of beginnings cannot be used；After room temperature natural storage 24h, the present invention is disconnected
Resistance to spalling conservation rate is still：79-98%, and commercially available only 25-81%；Extension at break conservation rate 78-94%, and commercially available be only
19-79%, illustrates that anti-shrink Polywoven Bag of the present invention remains to keep preferable physical property and usability after high-temperature filling
Can, resistance to elevated temperatures is superior, compared with prior art, with preferable advanced and practicality.
It should be noted that：Polywoven Bag prepared by embodiment of the present invention 3-6 equally has above-mentioned experiment effect, each reality
Apply between example and little with above-mentioned experiment effect diversity.
Claims (10)
1. a kind of anti-shrink Polywoven Bag, is mainly prepared by the raw material of following parts by weight：100 parts of polypropylene, Cerasus humilis Bunge fiber
12-16 parts, linear low density polyethylene 10-12 part, polyoxymethylenes 5-7 parts, polyethylene/winter rye peptide complexes 3-5 parts change
Property nano-sized carbon 2-4 part, ethylene-methyl acrylate copolymer 1.5-2.5 parts, antiaging agent 1.2-3 parts, tributyl citrate 0.8-
1.2 parts, coupling agent 0.8-1.2 parts, Tissuemat E 0.6-1.0 parts, composite antioxidant 0.3-0.5 parts, Semen Armeniacae Amarum oil 0.1-0.4
Part；
The Cerasus humilis Bunge fiber is with Cerasus humilis Bunge stem, leaf of Cerasus humilis Bunge and waste wood as raw material, through ultrasonic cleaning, ultrasound and high-pressure pulse electric
Extract, biobleaching and appropriateness enzymolysis, microwave drying, extruding puffing, micronizing and be obtained.
2. a kind of anti-shrink Polywoven Bag as claimed in claim 1, it is characterised in that：The preparation side of the Cerasus humilis Bunge fiber
Method, comprises the steps：By fresh Cerasus humilis Bunge stem, leaf of Cerasus humilis Bunge and waste wood 3-7 in mass ratio:2-6:1-2 uniformly mixes, and is placed in super
3-5min is cleaned in 200W, 30KHz in sound wave cleaning machine, is drained, crushed, add the water of fragment quality 0.5-1.5 times, room temperature
200-400W, 35-40KHz condition supersound extraction 10-15min, then in electric field intensity 20-40kV/cm, burst length 400-
600 μ s, carry out high voltage pulse electric field processing 10-15min under the conditions of pulse frequency 200-400Hz；Regulation pH value is 6-10, adds
The enzyme of mixture quality 0.1-0.3%, digests 10-15min in 50-60 DEG C；Enzymolysis solution is evaporated to solid content
For 40-60%, being put into microwave dryer carries out intermittent drying in 2000W, 130-150 DEG C, is allowed to moisture and reaches 8-10%, so
After be crushed to particle diameter 0.4-0.6mm, add the sodium bicarbonate of ground product quality 0.2-0.4%, uniform mix, adjust mixture water
It is 15-18% to divide content, and room temperature, sealing and standing 1.5-2.5h, in screw speed 105-115r/min, temperature 140-160 DEG C bar
Part extruding puffing, then micronizing most dry 4-6h after 100-115 DEG C and obtain final product Cerasus humilis Bunge fiber to 10-15 μm of particle diameter；
The enzyme is alkalescent xylanase, laccase, glucanase, seminase, pectase, tannase 2-4 in mass ratio:
1-3:1-3:0.5-1.5:0.4-1:0.2-0.8 uniformly mixes.
3. a kind of anti-shrink Polywoven Bag as claimed in claim 1, it is characterised in that：The modified Nano carbon is by single wall
Or multi-walled carbon nano-tubes and carbon fiber are gentle after ultrasonic disperse and high voltage pulse electric field processing in aqueous phase system with Ammonium persulfate.
Reaction is obtained.
4. a kind of anti-shrink Polywoven Bag as claimed in claim 3, it is characterised in that：The preparation side of the modified Nano carbon
Method, comprises the steps：By middle modules carbon fibre, SWCN, Ammonium persulfate. and deionized water in mass ratio 1:0.6-
0.8:70-80:1000 uniform mixing, first in power 200-400W, frequency 20-24KHz supersound process 20-40min, Ran Hou
Electric field intensity 2-6kV/cm, burst length 100-300 μ s, is carried out at high-pressure pulse electric under the conditions of pulse frequency 200-400Hz
Reason 10-15min；Mixture after through process is in rotating speed 100-120r/min, temperature 50-70 DEG C reaction 0.5-2.5h, reactant liquor
Filtered with 0.22 μm of the PP micropore filtering films in aperture, and deionized water cyclic washing is to neutrality, most true after 70-80 DEG C
Empty dry to constant weight, crush, obtain final product modified Nano carbon.
5. a kind of anti-shrink Polywoven Bag as claimed in claim 1, it is characterised in that：The polyethylene/winter rye peptide is multiple
The preparation method of compound, comprises the steps：
1) preparation of winter rye peptide：By the seed sabot of winter rye, 6-8min is processed in electric field intensity 4-6kV/cm high-pressure electrostatic；
Then concentration for 12-18mg/L salicylic acid solution in soaking at room temperature 1-3h, while in electric field intensity 6-10kV/cm, pulse
Time 100-200 μ s, carry out high voltage pulse electric field processing under the conditions of pulse frequency 200-400Hz；Rinse, drain, quiet in 3-5 DEG C
18-24h is put, is then immediately placed in 1-3 DEG C of cold preservation 2-4d, -3--5 DEG C of freezing 1-3d, -15--18 DEG C of freezing 10-15h successively
Outdoor natural light shines, and seed half is crushed after thawing immediately, and ground product particle diameter 0.5-1.5mm is subsequently added into comminuted material
The water of 2-4 times of amount, is 3.5-5.5 with newborn acid for adjusting pH value；The mixed enzyme of mixed liquor quality 1.3-1.7% is eventually adding, first
Prior to 35-50 DEG C of enzymolysis 10-30min, then 20-40min is digested in 50-60 DEG C；Enzymolysis solution filtration, filtrate reduced in volume, cold
Freeze and be drying to obtain winter rye peptide；
The mixed enzyme is protease, cellulase, amylase, pectase 5-7 in mass ratio:4-6:1-3:0.5-1.5 is uniform
Mixing；
2) winter rye peptide is sufficiently mixed in proportion with polyethylene, maleic anhydride, styrene, initiator and antioxidant, weight ratio
For：Polyethylene: winter rye peptide: maleic anhydride: styrene: initiator: antioxidant=100: 2-10: 3-20: 1-15: 0.1-5:
0.1-1；
3) by step 2) compound that obtains adds double screw extruder frit reaction, extruding pelletization to control double screw extruder
And die temperature is at 145-180 DEG C, screw speed is 30-200r/min, the time of staying of the reactant in double screw extruder
Control obtains final product polyethylene/winter rye peptide complexes in the 10-100 seconds.
6. a kind of anti-shrink Polywoven Bag as claimed in claim 1, it is characterised in that：The preparation side of the Semen Armeniacae Amarum oil
Method, comprises the steps：Semen Armeniacae Amarum is immersed room temperature drift in sodium bicarbonate solution of the mass percent concentration for 0.01-0.03%
Wash, drain, put sealing and standing moistening 1-3h in container, then peel, decortication Semen Armeniacae Amarum is put in microwave dryer in frequency
2450MHz, power 1000-3000W, temperature 80-90 DEG C, thickness of feed layer 3-5cm condition microwave exposure enzyme denaturing 2-4min；Then put
Enter soaking at room temperature 2-4h in the citric acid solution that mass percent concentration is 0.1-0.3%, clear water is rinsed 1-3 time, drained, in-
20--25 DEG C, thickness of feed layer 8-10cm freezing 3-5h, are crushed to particle diameter 0.4-0.6mm and obtain Semen Armeniacae Amarum powder；Add in Semen Armeniacae Amarum powder
Enter the deionized water of the pH value for 4.5-6.5 of its quality 3-5 times, uniform mixing controls mixed material temperature for 45-55 DEG C, to
The compound enzyme of Semen Armeniacae Amarum silty amount 0.03-0.05% is wherein added, is stirred, be incubated, digest 40-60min；Enzymolysis solution is put
Vacuum -0.01--0.03MPa, temperature 10-20 DEG C, rotating speed 10000r/min, traditional vacuum 5-8min in vacuum centrifuge, from
The emulsion for obtaining is controlled temperature for 30-50 DEG C by isolated free oil, emulsion, hydrolyzed solution and Semen Armeniacae Amarum slag under above,
Add the biological demulsifying agent breakdown of emulsion 40-60min of emulsion quality 0.02-0.04%, breakdown of emulsion is after vacuum -0.01--
Traditional vacuum 10-15min obtains free oil again for 0.03MPa, temperature 10-20 DEG C, 5000r/min, merges the free oil of gained
Obtain final product Semen Armeniacae Amarum oil；
The quality of the compound enzyme is consisted of：Acid protease:Cellulase:Pectase:Amylase=6-9:2-4:1-3:1-
3.
7. a kind of anti-shrink Polywoven Bag as claimed in claim 6, it is characterised in that：The quality group of the biological demulsifying agent
Become：Glycolipid class:Lipopeptid class:Cell wall combines class=4-6:2-4:1-3；The quality of the glycolipid class biological demulsifying agent is consisted of：
Rhamnolipid:Alkyl polyglucoside=2-5:1-3.
8. a kind of anti-shrink Polywoven Bag as claimed in claim 1, it is characterised in that：The composite antioxidant is antioxidant
1010 and irgasfos 168 1-2 in mass ratio:2-4 uniformly mixes.
9. a kind of preparation method of anti-shrink Polywoven Bag as described in claim 1-8 is arbitrary, it is characterised in that：Including as follows
Step：It is first according to formula and accurately weighs each raw material, according to equal increments method principle, batch mixing, after mix homogeneously, controls while stirring
System mixing thickness of feed layer is 5-10cm, then dries 20-40min in 100-120 DEG C, and compound after drying in temperature is
Molten is plastified at 230 DEG C -250 DEG C, thin film is extruded into, is cooled down, is cut into embryo silk, through wire drawing, weaved cotton cloth, be coated with, bag, turning over
Bag, cutting, printing, sewing, packing obtain final product anti-shrink Polywoven Bag.
10. a kind of preparation method of anti-shrink Polywoven Bag as claimed in claim 9, it is characterised in that：Described be extruded into thin
During film, draw ratio is 1:6-6.5, pressure are 9-11Mpa；The draw ratio of the drawing process is 5-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833522.9A CN106496768A (en) | 2016-09-20 | 2016-09-20 | A kind of anti-shrink Polywoven Bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833522.9A CN106496768A (en) | 2016-09-20 | 2016-09-20 | A kind of anti-shrink Polywoven Bag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106496768A true CN106496768A (en) | 2017-03-15 |
Family
ID=58290155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833522.9A Pending CN106496768A (en) | 2016-09-20 | 2016-09-20 | A kind of anti-shrink Polywoven Bag and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106496768A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698698A (en) * | 2021-07-17 | 2021-11-26 | 温州晨光集团有限公司 | Processing technology of degradable plastic woven bag based on cyclic utilization |
| CN113942280A (en) * | 2021-11-10 | 2022-01-18 | 上海永利输送系统有限公司 | Preparation method of conveying belt for turning machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418099A (en) * | 2008-12-02 | 2009-04-29 | 上海金发科技发展有限公司 | Natural fiber reinforcement halogen-free flame retardant polypropylene composite material and preparation method thereof |
| CN102585348A (en) * | 2011-01-06 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Toughened conducting material and preparation method for toughened conducting material |
| CN105219513A (en) * | 2015-10-21 | 2016-01-06 | 涿鹿县果仁食品有限责任公司 | A kind of Semen Armeniacae Amarum oil and extracting method thereof |
| CN105524760A (en) * | 2016-02-04 | 2016-04-27 | 甘肃滨河食品工业（集团）有限责任公司 | Rose dry white wine and preparation method thereof |
| CN105885234A (en) * | 2016-06-27 | 2016-08-24 | 安庆石油化工总厂联盟化工厂 | Preparation method for woven bag for cement packaging |
-
2016
- 2016-09-20 CN CN201610833522.9A patent/CN106496768A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418099A (en) * | 2008-12-02 | 2009-04-29 | 上海金发科技发展有限公司 | Natural fiber reinforcement halogen-free flame retardant polypropylene composite material and preparation method thereof |
| CN102585348A (en) * | 2011-01-06 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Toughened conducting material and preparation method for toughened conducting material |
| CN105219513A (en) * | 2015-10-21 | 2016-01-06 | 涿鹿县果仁食品有限责任公司 | A kind of Semen Armeniacae Amarum oil and extracting method thereof |
| CN105524760A (en) * | 2016-02-04 | 2016-04-27 | 甘肃滨河食品工业（集团）有限责任公司 | Rose dry white wine and preparation method thereof |
| CN105885234A (en) * | 2016-06-27 | 2016-08-24 | 安庆石油化工总厂联盟化工厂 | Preparation method for woven bag for cement packaging |
Non-Patent Citations (1)
| Title |
|---|
| 李里: "单壁碳纳米管化学功能化及其分散性研究", 《中国优秀硕士学位论文全文数据库（电子期刊）工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698698A (en) * | 2021-07-17 | 2021-11-26 | 温州晨光集团有限公司 | Processing technology of degradable plastic woven bag based on cyclic utilization |
| CN113942280A (en) * | 2021-11-10 | 2022-01-18 | 上海永利输送系统有限公司 | Preparation method of conveying belt for turning machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105038284B (en) | A kind of method that application wood fibre prepares wood plastic composite | |
| Xie et al. | Plasticizer combinations and performance of wood flour–poly (lactic acid) 3D printing filaments | |
| CN101544813B (en) | Rapid crystallization polylactic acid composite material and preparation method thereof | |
| BR112015006940B1 (en) | COMPOSITION OF VEGETABLE FIBER REINFORCED THERMOPLASTIC RESIN | |
| CN104647842B (en) | A kind of composite earthwork cloth and preparation method thereof | |
| CN106496766A (en) | A kind of high-temperature resistance plastice woven bag and preparation method thereof | |
| Rathore et al. | Hybrid cellulose bionanocomposites from banana and jute fibre: a review of preparation, properties and applications | |
| CN102585358A (en) | Natural fiber reinforced polypropylene composite material and preparation method thereof | |
| CN105199244A (en) | Ethylene propylene diene monomer rubber composite material and preparation method thereof | |
| CN106674728A (en) | Easily-degradable anti-shrinkage polypropylene master batch and preparation method thereof | |
| CN106479043A (en) | A kind of anti-static plastic braiding bags and preparation method thereof | |
| CN106496768A (en) | A kind of anti-shrink Polywoven Bag and preparation method thereof | |
| CN106479044A (en) | A kind of stretch-proof Polywoven Bag and preparation method thereof | |
| CN110643102A (en) | Bamboo fiber reinforced thermoplastic resin composite material and preparation method thereof | |
| Zhu et al. | Water absorption, mechanical, and crystallization properties of high-density polyethylene filled with corncob powder | |
| CN115074854A (en) | Environment-friendly woven bag and preparation method thereof | |
| CN105694206B (en) | A kind of method for making foaming agent production long glass fiber-reinforced polypropylene foaming injection product with water | |
| CN101962469A (en) | Method for preparing full-degradable lactic acid composite material from secondary fibers of waste newspaper | |
| CN114106441A (en) | Method for preparing regenerated product by using waste phosphogypsum and waste crosslinked polyethylene | |
| CN106349568A (en) | Preparation method of high-barrier polypropylene particle and thin film | |
| Guo et al. | Assessment of properties of bamboo fiber and EPDM reinforced polypropylene microcellular foam composites | |
| CN106674729A (en) | Polypropylene composite material with strong dimensional stability and preparation method of polypropylene composite material | |
| CN107287680A (en) | A kind of fishing net with good tensile strength | |
| CN106496767A (en) | A kind of antioxidation Polywoven Bag and preparation method thereof | |
| CN106751332A (en) | A kind of high conductivity degradable plastic sheeting composite of carbon nanotubes and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |