CN107805336A - Absorb water master batch and preparation method thereof - Google Patents
Absorb water master batch and preparation method thereof Download PDFInfo
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- CN107805336A CN107805336A CN201711172327.7A CN201711172327A CN107805336A CN 107805336 A CN107805336 A CN 107805336A CN 201711172327 A CN201711172327 A CN 201711172327A CN 107805336 A CN107805336 A CN 107805336A
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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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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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
- 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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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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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
- 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
- C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
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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
- 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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- 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
- C08J2439/00—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 a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers
- C08J2439/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
- C08J2439/06—Homopolymers or copolymers of N-vinyl-pyrrolidones
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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
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/02—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to polysaccharides
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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
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/06—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
Abstract
The present invention provides a kind of water suction master batch, by weight percentage, including：Water absorbing agent 10~70%；Thermoplastic starch 1~10%；Compatilizer 1~18%；Vector resin 2~88%.In the present invention, water absorbing agent has superpower water absorbing properties, it is possible to provide the water-taking efficiency very strong to water suction master batch；Thermoplastic starch interacts with water absorbing agent, can assist to improve the water imbibition of water absorbing agent, improves processing characteristics of the water absorbing agent in mixing absorbs water master batch；Compatilizer promotes water absorbing agent, thermoplastic starch and vector resin to be combined together, improves the compatibility of composite, make obtained water suction master batch more uniform and stable by means of intermolecular adhesion.The present invention also provides a kind of preparation method for the master batch that absorbs water.
Description
Technical field
The invention belongs to plastic products technology field, and in particular to one kind water suction master batch and preparation method thereof.
Background technology
Ordinary thermoplastics for example polyethylene, polypropylene, polyethylene terephthalate, polyamide water absorption rate very
Low, wherein polyethylene, polypropylene do not absorb water substantially, and the saturated water absorption under polyethylene terephthalate normal temperature and pressure is
0.6% or so, polyamide is 2.5% or so.Therefore, the film made with them, fiber, non-woven fabrics water imbibition are poor, using model
Limit is with, such as：Made of polypropylene polypropylene fibre, terylene water imbibition is poor made of polyethylene terephthalate, accordingly
Absorption of perspiration is also poor, causes clothing comfortableness poor.The water imbibition for improving thermoplastic is a big difficult point of industry.
At present, improve plastic ink absorption method mainly have graft modification method, modification by copolymerization method, surface coating modified method,
High-energy radiation is modified method and blending modification method etc..
Graft modification method：Under the conditions of certain external excitation, will have hydrophilic monomer or polymer to draw as side chain
Enter the process that hydrophobic polymer organic material surface polymerize, graft modification can be such that the surface energy of material surface carries significantly
Height, so as to increase the degree of wetting with the aqueous solution.
Modification by copolymerization method：Hydrophobic polymer material is polymerize with other high molecular polymers by chemical reaction, so as to
Improve its compatibility with water, such as respectively by 4- ethylpyridines and acrylonitrile, styrene copolymerized.
Surface coating modified method：Layer of surface activating agent is coated in material surface, the surface of material is shown hydrophily.
High-energy radiation is modified method：Using high-energy sources such as plasma, A rays, X ray, ultraviolets to the organic high score of hydrophobicity
Sub- material surface carries out radiation modification.
Blending modification method：Hydrophobic polymer material and other hydrophilic materials are being softened or melted using mechanical means
Mixed under state, by physical method (as extruded) shaping, the high macromolecule organic material of surface energy is formed, to improve hydrophobic material
The hydrophily of material.
Wherein, blending modification method is simple to operate, and the different ratio changed between mixture is that availability is totally different
Blend, but blending modification method belongs to physical modified method, is only combined for physically between mixture, and the blend of acquisition is stable
Property is poor, hydrophilic inefficient.Therefore, improve the stability of blended modifier and hydrophilicity be modifying plastics a big weight
Point.
The content of the invention
It is an object of the invention to provide the preparation of the water suction master batch that a kind of water absorption rate is high, stability is good and the master batch that absorbs water
Method, solves the technical problem that master batch stability is poor, water-taking efficiency is not high that absorbed water in plastic ink absorption modification technology.
In order to solve the above technical problems, the present invention provides a kind of water suction master batch, by weight percentage, including：Water absorbing agent
10~70%；Thermoplastic starch 1~10%；Compatilizer 1~18%；Vector resin 2~88%.
It is preferred that the water suction master batch, by weight percentage, including：Water absorbing agent 40~60%；Thermoplastic starch 5~
10%；Compatilizer 2~15%；Vector resin 15~45%.
Specifically, the water absorbing agent is one or both of water-soluble high-molecular material, super absorbent resin.
Water-soluble high-molecular material is the high polymer material of strong absorptive, is contained in the molecular structure of water-soluble polymer
Substantial amounts of hydrophilic radical, water-soluble high-molecular material is added in master batch can improve the water-taking efficiency of master batch, and water-soluble high score
Sub- material has certain rheological characteristic, can meet the different demands that master batch is granulated that absorb water.In addition, water-soluble high-molecular material has
Drag reduction acts on, and can reduce frictional resistance of the water suction master batch in manufacturing process with machinery compartment, improve production efficiency.
Super absorbent resin water absorbing capacity is strong, and water holding capacity is high, can absorb the moisture of own wt hundred times to thousand times,
It is nontoxic, harmless, pollution-free, and dehydration is not easy under heating, pressure, master batch is added into, can be greatly improved very much
The water-taking efficiency of master batch, and water-retaining property is strong, stability is good.In the present invention, super absorbent resin is preferably powdered.Powdered height
Water-absorbing resins are easy to grind, and in grinding technics, can obtain the more uniform water absorbent granule of particle diameter, can effectively improve this
The concentration of invention water suction master batch, so as to which the higher water suction master batch of water absorption rate be made.
Specifically, the water-soluble high-molecular material is polyacrylamide, polyacrylic acid, polyvinylpyrrolidone, carboxylic first
One or more in base starch, carboxymethyl cellulose, hydroxymethyl cellulose.
Specifically, the super absorbent resin is Starch Super Water Absorbent Resin, protein system super absorbent resin, synthesis
One or more in polymer system super absorbent resin.
It is preferred that the super absorbent resin is Starch Super Water Absorbent Resin.
Starch Super Water Absorbent Resin is prepared by base stock of starch, has to thermoplastic starch in formula similar
Chemical constitution, both affinity are strong, can cooperate, synergy, the common water-taking efficiency for improving present invention water suction master batch
And processing characteristics.
It is preferred that the Starch Super Water Absorbent Resin be SANWET, starch grafted polyacrylamide,
One or more in starch-grafted polyacrylonitrile.
Specifically, the thermoplastic starch be thermoplasticity cornstarch, thermoplasticity wheaten starch, thermoplasticity potato starch,
One or more in thermoplasticity buckwheat starch.
Specifically, the compatilizer is ethylene acrylic acid co polymer, ethylene acrylic lipin polymer, maleic anhydride grafting
One or more in polyethylene, maleic anhydride inoculated polypropylene.
Specifically, the vector resin is that polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate are common
One or more in polymers.
The present invention also provides a kind of preparation method for the master batch that absorbs water, and the water absorbing agent is ground into particle diameter after fully drying
For 2~20 μm, the subsequent carrier tree of the thermoplastic starch with formula ratio, the compatilizer of formula ratio, formula ratio
Fat is well mixed, then is granulated through double screw extruder melting extrusion.
Water suction agglomerate preparation method technique provided by the invention is simple and convenient to operate, and water absorbing agent is ground into different-grain diameter,
Different demands in actual applications can be met.Particle diameter is ground to less than 20 μm, the use in compared with thick film can be met, is ground
Particle diameter can meet the use in plexifilamentary film and general fiber to less than 10 μm.
Preferably, the particle diameter is 5~10 μm.Water absorbing agent is ground to the smaller particle of particle diameter, water absorbing agent can be improved
Numbers of particles, increases the surface area of water absorbing agent, thus obtained water suction master batch, in actual use, it is possible to increase with water
Contact area, greatly improve water-taking efficiency.
The present invention also provides a kind of application of the master batch in thermoplastic articles that absorb water.The water-taking efficiency of thermoplastic
It is low, above-mentioned water suction master batch is applied in thermoplastic, is greatly improved its water-taking efficiency.
Compared with prior art, water suction master batch provided by the invention contains water absorbing agent, thermoplastic starch, compatilizer and carrier
Resin.Wherein, water absorbing agent has superpower water absorbing properties, it is possible to provide the water-taking efficiency very strong to water suction master batch.Thermoplastic starch
Mainly using starch as primary raw material, thermoplastic starch is converted into by modification, thermoplastic starch has stronger water imbibition in itself,
With water absorbing agent collective effect, the water-taking efficiency of water suction master batch can be improved；In addition, thermoplastic starch main component is starch, easily
Degraded, can reduce environmental pollution；In the present invention, thermoplastic starch interacts with water absorbing agent, can assist to improve the suction of water absorbing agent
It is water-based, improve processing characteristics of the water absorbing agent in mixing absorbs water master batch.Compatilizer promotes water suction by means of intermolecular adhesion
Agent, thermoplastic starch and vector resin are combined together, and improve the compatibility of composite, make obtained water suction master batch more equal
Even stabilization.
Embodiment
For the purpose of the present invention, technical scheme and beneficial effect is better described, below in conjunction with specific embodiment to this
Invention is described further.It should be noted that following methods describeds of implementing are further explained to what the present invention was done, should not
When as limitation of the present invention.
The present invention provides a kind of water suction master batch, by weight percentage, including：Water absorbing agent 10~70%；Thermoplastic starch 1
~10%；Compatilizer 1~18%；Vector resin 2~88%.
Wherein, water absorbing agent can be water-soluble high-molecular material, or super absorbent resin, or water-soluble high-molecular material
With the mixture of super absorbent resin.Water-soluble high-molecular material can be polyacrylamide, polyacrylic acid, polyvinylpyrrolidine
One or more in ketone, CMS, carboxymethyl cellulose, hydroxymethyl cellulose etc..Super absorbent resin can be starch
It is the one or more in super absorbent resin, protein system super absorbent resin, synthetic polymer system super absorbent resin.
Starch Super Water Absorbent Resin raw material based on starch, under initiator and radiation, starch is changed into free radical, with
Monomer is reacted and polymerize, and forms super absorbent resin.
In the present invention, STARCH GRAFT POLYMER SUPER ABSORBENT RESIN can be SANWET, starch-grafted polyacrylamide
One or more in amine, starch-grafted polyacrylonitrile, this several material and the thermoplastic starch in the master batch that absorbed water in the present invention
With similar chemical constitution, both cooperate, the common water-taking efficiency and processing characteristics for improving present invention water suction master batch.Close
Can be that Sodium Polyacrylate cross-linking agent or vinyl alcohol cross-linking agent etc. are known to those skilled in the art into polymer system super absorbent resin
One or more.Water absorbing agent accounts for 10~70% by weight percentage in the present invention, if water absorbing agent is a kind of material, this kind
Material accounting is 10~70%, concretely 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 48%, 50%,
60%th, 65%, 70%；If water absorbing agent includes water-soluble high-molecular material and super absorbent resin, water-soluble high-molecular material
Be 10~70% with the total accounting of super absorbent resin, wherein water-soluble high-molecular material account for water absorbing agent percentage by weight for 10~
90%.
In the present invention thermoplastic starch can be thermoplasticity cornstarch, thermoplasticity wheaten starch, thermoplasticity potato starch,
One or more in thermoplasticity buckwheat starch.If thermoplastic starch is a kind of material, this kind of material accounting is 1~10%,
It is specifically as follows 1%, 2%, 3%, 3.5%, 4%, 5%, 6%, 7%, 8%, 9%, 10%.If thermoplastic starch is a variety of things
Matter, such as the mixture of thermoplasticity cornstarch and thermoplasticity wheaten starch, then thermoplasticity cornstarch and thermoplasticity wheat form sediment
The total accounting of powder is 1~10%, wherein, thermoplasticity cornstarch accounts for thermoplastic starch percentage by weight as 10~90%.
The generally modified thermoplastic starch obtained contains the auxiliary elements such as plasticizer, coupling agent, softening agent.Therefore, this hair
In bright, thermoplastic starch can play the plasticization to water absorbing agent, reduce the softening temperature of water absorbing agent, prevention water absorbing agent is by high temperature
Degraded, water suction master batch is set to be smoothed out plasticizing extrusion.
Compatilizer is that ethylene acrylic acid co polymer, ethylene acrylic lipin polymer, maleic anhydride grafting are poly- in the present invention
One or more in the known compatilizer of the medium those skilled in the art of ethene, maleic anhydride inoculated polypropylene.By weight hundred
Point than meter, account for 1~18%, compatilizer concretely 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%, 11%,
12%th, 14%, 15%, 17%, 17.5%, 18%.
In the present invention, vector resin is polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymerization
One or more in thing.By weight percentage, account for 2~88%, vector resin concretely 2%, 3%, 4%, 5%,
10%th, 15%, 20%, 25%, 30%, 40%, 45%, 50%, 55%, 60%, 70%, 80%, 88%.
With reference to specific embodiment, the present invention is described further.
Embodiment 1
Water suction master batch includes polyacrylamide 10%, thermoplasticity cornstarch 1%, ethylene acrylic acid co polymer 1% and gathers
Ethene 88%.After polyacrylamide is fully dried, it is 20 μm of powder to be ground into particle diameter with grinder, then with 1% thermoplastic
Property cornstarch, 1% ethylene acrylic acid co polymer and 88% polyethylene be well mixed, then is granulated through twin-screw melting extrusion, shape
Into water suction master batch.
Embodiment 2
Water suction master batch includes hydroxymethyl cellulose 70%, thermoplasticity wheaten starch 10%, maleic acid pavilion grafted polyethylene
18% and ethylene-propylene copolymer 2%.After hydroxymethyl cellulose is fully dried, the powder that particle diameter is 2 μm is ground into grinder
End, it is then equal with 10% thermoplasticity wheaten starch, 18% maleic acid pavilion grafted polyethylene and the mixing of 2% ethylene-propylene copolymer
It is even, then be granulated through twin-screw melting extrusion, form water suction master batch.
Embodiment 3~9, and comparative example 1~3, except the composition and content of water suction master batch are different and the particle diameter of water absorbing agent
Different outer, other techniques are identical with embodiment 1,2, and specifically each embodiment and the content of each material in comparative example and water absorbing agent are ground
Abrasive particle footpath is as shown in table 1, wherein, polyvinylpyrrolidone accounts for the 20% of water suction master batch weight in the water absorbing agent of embodiment 7, and starch connects
Branch Sodium Polyacrylate accounts for the 30% of water suction master batch weight, and both summations account for the 50% of water suction master batch weight.
1 each embodiment of table and comparative example formula
By embodiment 1~9, and the obtained water suction master batch of comparative example 1~3 respectively with acrylic resin in 1: 9 ratio
It is well mixed, 50mm × 200mm specifications, electricity consumption are then cut into the sheet material that thickness is 0.2mm, resulting sheet by forming mechanism
Sub- scale claims the weight of the sheet material of each embodiment and comparative example, is designated as weight W before soaking0；Sample is put into pure water simultaneously again,
Immersion 24 hours, takes out that to dry surface with dry cloth water stain, then weighs each sample weight, is designated as weight W after immersion1。
Sheet material water absorption rate=(W1-W0)/W0× 100%.
Each embodiment and comparative example testing result is as shown in table 2.
2 each embodiment of table and comparative example testing result
It can go out from table 2, the water absorption rate of embodiment 1~9 is above comparative example 1~3.Wherein, heat is comprised only in comparative example 1
Plastic starch, compatilizer and vector resin, comprise only water absorbing agent, compatilizer and vector resin in comparative example 2, due to comparative example 1,
Do not contain water absorbing agent and thermoplastic starch in 2 simultaneously, therefore, its water absorption rate is all less than embodiment, and comparative example 3 is common thermoplastic
Property plastic components, therefore, its water absorption rate is also well below embodiment.It can be drawn from the data in table 2, suction provided by the invention
Jellyfish grain is greatly improved the water absorption rate of thermoplastic.Comparative example 1 and comparative example 2 are understood, add the heat of extremely low content
Plastic starch can still improve the water absorption rate of water suction master batch.
Comparative example 5 and embodiment 6, as a result show, the water absorption rate of embodiment 6 is higher than embodiment 5, are because embodiment
Water absorbing agent in 5 is water-soluble high-molecular material, and the water absorbing agent in embodiment 6 is super absorbent resin.
Comparative example 5, embodiment 7 and embodiment 8, as a result show, the water absorption rate of embodiment 7 is higher than embodiment 5, real
The water absorption rate for applying example 8 is higher than embodiment 7, is due to that the water absorbing agent in embodiment 5 comprises only water-soluble high-molecular material, embodiment
Water absorbing agent in 7 is the mixture of water-soluble high-molecular material and super absorbent resin, and the water absorbing agent in embodiment 8 only includes height
Water-absorbing resins.
Comparative example 6, embodiment 8 and embodiment 9, as a result show, the water absorption rate of embodiment 8 and embodiment 9 is high
In embodiment 6, it is due to that the water absorbing agent in embodiment 6 is Sodium Polyacrylate cross-linking agent, belongs to synthetic polymer system high-hydroscopicity
Resin, the water absorbing agent in embodiment 8 and embodiment 9 are respectively SANWET and starch grafted polyacrylamide,
Belong to Starch Super Water Absorbent Resin.
Water suction master batch provided by the invention can use in thermoplastic, improve the water imbibition of thermoplastic.For
Container, make container that there is water imbibition, absorb the moisture in content in container, it is mould to prevent that content from occurring because of moisture influence
Become；For building construction, improve the water imbibition of roof and wall, keep indoor humidity stable；For making non-woven fabrics, make nonwoven
Cloth has water imbibition, and the moisture of hydrous matter is removed using hydroscopicity nonwoven fabric；For making fiber, there is fiber cloth and inhale
Sweat, improve the comfort level of clothing；For making biaxially oriented film, aqueous water can be absorbed by reaching film, and and can passes through
The double effectses of gaseous state moisture, available for personal hygiene article or wet-proof baby urine pants.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope, although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should manage
Solution, can modify or equivalent substitution to technical scheme, without departing from technical solution of the present invention essence and
Scope.
Claims (10)
1. one kind water suction master batch, it is characterised in that by weight percentage, including：Water absorbing agent 10~70%；Thermoplastic starch 1
~10%；Compatilizer 1~18%；Vector resin 2~88%.
2. water suction master batch as claimed in claim 1, it is characterised in that the water absorbing agent is water-soluble high-molecular material, high suction
One or both of water-base resin.
3. as claimed in claim 2 water suction master batch, it is characterised in that the water-soluble high-molecular material be polyacrylamide,
One or more in polyacrylic acid, polyvinylpyrrolidone, CMS, carboxymethyl cellulose, hydroxymethyl cellulose.
4. water suction master batch as claimed in claim 2, it is characterised in that the super absorbent resin is starch-series high-hydroscopicity tree
One or more in fat, protein system super absorbent resin, synthetic polymer system super absorbent resin.
5. water suction master batch as claimed in claim 4, it is characterised in that the Starch Super Water Absorbent Resin is starch-grafted poly-
One or more in PAA, starch grafted polyacrylamide, starch-grafted polyacrylonitrile.
6. water suction master batch as claimed in claim 1, it is characterised in that the thermoplastic starch is thermoplasticity cornstarch, heat
One or more in plasticity wheaten starch, thermoplasticity potato starch, thermoplasticity buckwheat starch.
7. water suction master batch as claimed in claim 1, it is characterised in that the compatilizer is ethylene acrylic acid co polymer, ethene
One or more in acrylate copolymer, maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene.
8. as claimed in claim 1 water suction master batch, it is characterised in that the vector resin be polyethylene, polypropylene, ethene-
One or more in propylene copolymer, ethylene-vinyl acetate copolymer.
9. the preparation method of the water suction master batch as described in claim 1~8 is any, it is characterised in that by the suction of formula ratio
Aqua is ground into particle diameter as 2~20 μm, then the institute of the thermoplastic starch with formula ratio, formula ratio after fully drying
State compatilizer, the vector resin of formula ratio is well mixed, then through double screw extruder melting extrusion be granulated.
10. the preparation method of water suction master batch as claimed in claim 9, it is characterised in that the particle diameter is 5~10 μm.
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| CN201711172327.7A CN107805336A (en) | 2017-11-20 | 2017-11-20 | Absorb water master batch and preparation method thereof |
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Cited By (4)
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| CN110804217A (en) * | 2019-12-10 | 2020-02-18 | 湖南工业大学 | High-filling starch masterbatch and preparation method thereof |
| CN111155192A (en) * | 2020-01-15 | 2020-05-15 | 福建中锦新材料有限公司 | Water-absorbing chinlon spinning black masterbatch and preparation method thereof |
| WO2022254237A1 (en) | 2021-06-01 | 2022-12-08 | Rhodia Brasil S.A. | Water absorbent composite, process for preparing and uses |
| WO2022254323A1 (en) | 2021-06-01 | 2022-12-08 | Rhodia Brasil S.A | Water absorbent composite, process for preparing and uses |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804217A (en) * | 2019-12-10 | 2020-02-18 | 湖南工业大学 | High-filling starch masterbatch and preparation method thereof |
| CN111155192A (en) * | 2020-01-15 | 2020-05-15 | 福建中锦新材料有限公司 | Water-absorbing chinlon spinning black masterbatch and preparation method thereof |
| WO2022254237A1 (en) | 2021-06-01 | 2022-12-08 | Rhodia Brasil S.A. | Water absorbent composite, process for preparing and uses |
| WO2022254323A1 (en) | 2021-06-01 | 2022-12-08 | Rhodia Brasil S.A | Water absorbent composite, process for preparing and uses |
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