CN109912946A - Complete biodegradable gloves and preparation method thereof - Google Patents
Complete biodegradable gloves and preparation method thereof Download PDFInfo
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- CN109912946A CN109912946A CN201910010867.8A CN201910010867A CN109912946A CN 109912946 A CN109912946 A CN 109912946A CN 201910010867 A CN201910010867 A CN 201910010867A CN 109912946 A CN109912946 A CN 109912946A
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Abstract
The present invention provides a kind of complete biodegradable gloves and preparation method thereof.The complete biodegradable gloves, ingredient include: 100 parts of biodegradable plastic, 50-80 parts of grafted inorganic filler, biological based filler 10-20 parts and 1-10 parts of auxiliary agent by mass fraction.The present invention prepares disposable glove using biodegradable plastic, the grafted inorganic filler prepared through the invention not only improves the additive amount and dispersion degree of inorganic filler in the substrate, but also improves the interface binding power between inorganic filler and substrate, the mechanical strength of gloves is improved, material cost is reduced；Gloves prepared by the present invention can be all biodegradable, environment friendly and pollution-free；Present invention process is simple, and using existing equipment, slightly transformation can be produced.
Description
Technical field
The invention belongs to disposable glove technical fields, are related to biodegradable plastic gloves, more particularly to one
Kind complete biodegradable gloves and preparation method thereof.
Background technique
Disposable protective gloves is widely used in the necks such as food processing, medical protection, electronics processing and industrial labour protection
Domain.Most of main substrate of currently marketed disposable glove is polyethylene (PE), polyvinyl chloride (PVC), nitrile rubber
(NBR) or the materials such as latex.The disposable glove of these materials production is finished abandon after can not degrade or be difficult to degrade, can
It remains in nature up to upper a century, causes a large amount of " white pollution ", seriously pollute environment.
White pollution problems are solved at present mainly to recycle gloves or prepare using biodegradable plastic.And recycle benefit
, secondary operation seriously polluted and cost of labor excessively high the disadvantages of low with there is the rate of recovery, therefore, use biological degradation plastics
Preparing disposable glove is current effective mode.The characteristics of biodegradable plastic, is very distinct, especially polyadipate/to benzene two
Not only intensity is high for formic acid fourth diester (PBAT), but also has both flexibility and certain elasticity, and it is disposable to be highly suitable for preparation
Gloves, but the disposable glove of opposite conventional plastic preparation, still remain the higher problem with useful life longevity difference of price.
Summary of the invention
In view of the problems in the background art, it is an object of the present invention to provide a kind of complete biodegradable gloves and
The characteristics of preparation method, which not only has both high-intensitive and biodegradable, but also at low cost, production technology letter
It is single, it can be applied to the occasions such as hospital, factory, family.
To achieve the goals above, in a first aspect, ingredient presses quality the present invention provides a kind of complete biodegradable gloves
Number includes: 100 parts of biodegradable plastic, 50-80 parts of grafted inorganic filler, biological based filler 10-20 parts and auxiliary agent 1-10
Part.
Further, the biodegradable plastic is polylactic acid (PLA), polyadipate/butylene terephthalate
(PBAT), poly butylene succinate (PBS), poly-succinic-adipic acid fourth diester (PBSA), lined polymethyl ethylene carbonate
(PPC), poly terephthalic acid -co- succinic acid-butanediol ester (PBST), poly 3-hydroxy butyrate (PHB), polyglycolic acid (PGA),
One of polycaprolactone (PCL), polyhydroxy-alkanoate (PHA), polyhydroxybutyrate valerate (PHBV) or combination.
Further, the preparation method of the grafted inorganic filler including the following steps: (1) by weight, by 30-
50 parts of silane coupling agent is mixed with 100 parts of absolute alcohols, obtains silane coupler solution；(2) by weight, first by 100 parts
Inorganic filler mixed with silane coupler solution described in 10 parts of steps (1), then high-speed mixer heating stirring, finally
It is put into temperature drying 3-5 hours of 100-110 DEG C in vacuum oven, taking-up is cooled to room temperature, and is obtained inorganic filler and is located in advance
Reason material；The parameter of the high-speed mixer: 200-3000 revs/min of revolving speed, 100-120 DEG C of temperature, time 1-3 hour；(3) it presses
Weight ratio, by inorganic filler described in (2) the step of 100 parts pretreatment material, 100 parts 1,4-butanediol, 140 parts oneself two
Acid and the mixing of 180 parts of terephthalic acid (TPA)s, are put into reaction kettle, are stirred and heated to 150-160 DEG C, add 1 part and urge
Agent is continuously heating to 200-220 DEG C, and the time is 3-5 hours, excludes moisture, obtains primary material；It (4) will be described in step (3)
Primary material is put into the heating kettle with vacuum pump, first vacuumizes heating 5-12 hours, vacuum degree 10-100Pa, temperature 160-
200 DEG C, then restores normal pressure and taken out after being cooled to room temperature, obtain the embryo material of grafted inorganic filler；(5) by institute in step (4)
The embryo material double screw extruder for the grafted inorganic filler stated, extruding pelletization obtain grafted inorganic filler；The silane coupling agent
For one of KH550, KH560 and KH570；The inorganic filler is silica, talcum powder, calcium carbonate and kaolin
Middle a kind of or combination；The catalyst is one of benzoic acid stannous and stannous octoate.
Further, the biological based filler is one of cornstarch, thermoplastic starch, wood powder, bamboo powder, powdered rice hulls
Or combination.
Further, the auxiliary agent includes a kind of in chain extender, plasticizer, anti-hydrolysis agent and opening agent or combination.
Further, chain extender include 1,4-butanediol, 1,6- hexylene glycol, trimethylolpropane, diethylene glycol (DEG), triethylene glycol,
Neopentyl glycol, sorbierite, diethylaminoethanol, ethylenediamine, N, the bis- (β-hydroxyl second of N- dihydroxy (diisopropyl) aniline, quinhydrones-
Base) ether, one of 4,4'- diamino -3,3'- dichloro diphenyl methane or combination.
Further, plasticizer is glycerol, ethylene glycol, propylene glycol, butanediol, polyethylene glycol, polypropylene glycol, adipic acid
One of two-(2- ethylhexyl) ester, dibutyl adipate and dibutyl phthalates or combination.
Further, the anti-hydrolysis agent is two (2,6- diisopropyl phenyl) carbodiimides, more carbodiimides, 2-
Oxazoline, 3- oxazoline, 4- oxazoline, phenyl glycidyl ether, bisphenol-A bisglycidyl ether and four (phenyl glycidyls
Ether) one of ethane or combination.
Further, the opening agent is a kind of in erucyl amide, oleamide and silica or combination.
To achieve the goals above, in second aspect, the present invention provides a kind of preparation method of complete biodegradable gloves,
The complete biodegradable gloves described according to a first aspect of the present invention are used to prepare, including the following steps: (1) it will biodegradable
Plastics, grafted inorganic filler, biological based filler and auxiliary agent are mixed with high-speed mixer in proportion, and 100-600 revs/min of revolving speed
Clock, temperature are not more than 60 DEG C, obtain mixture；(2) by mixture described in step (1), with double screw extruder fusion plastification,
Extruding pelletization obtains pellet, the barrel temperature range of double screw extruder: 140-200 DEG C, head temperature range: 160-190
℃；(3) pellet described in step (2) is passed through into single screw extrusion machine Blown Film, obtains a film；It (4) will be described in step (3)
Cylinder film, cut by automatic glove machine, obtain biodegradable gloves.
The invention has the following advantages that
(1) present invention prepares disposable glove using biodegradable plastic, the grafted inorganic filler prepared through the invention,
The additive amount and dispersion degree of inorganic filler in the substrate are not only improved, but also improves the interface cohesion between inorganic filler and substrate
Power improves the mechanical strength of gloves, reduces material cost；
(2) gloves prepared by the present invention can be all biodegradable, environment friendly and pollution-free；
(3) present invention process is simple, and using existing equipment, slightly transformation can be produced.
By the way that the detailed description of exemplary embodiment of the present invention, other feature of the invention and its advantage will below
It becomes apparent.
Specific embodiment
To keep the above objects, features, and advantages of invention more obvious and easy to understand, below to specific implementation of the invention
Mode is described in detail.In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but originally
Invention can also be implemented using other different from other way described herein, and those skilled in the art can be without prejudice to originally
Similar popularization is done in the case where invention intension, therefore the present invention is not limited by the specific embodiments disclosed below.
Illustrate complete biodegradable gloves according to a first aspect of the present invention first.
Complete biodegradable gloves according to a first aspect of the present invention, ingredient include: biodegradable plastic 100 by mass fraction
Part, 50-80 parts of grafted inorganic filler, biological based filler 10-20 parts and 1-10 parts of auxiliary agent.
In complete biodegradable gloves of the invention, the biodegradable plastic is polylactic acid (PLA), polyadipate/right
Terephtha-late (PBAT), poly butylene succinate (PBS), poly-succinic-adipic acid fourth diester (PBSA), poly- methyl
Ethylene carbonate (PPC), poly terephthalic acid -co- succinic acid-butanediol ester (PBST), poly 3-hydroxy butyrate (PHB), poly- second
One of alkyd (PGA), polycaprolactone (PCL), polyhydroxy-alkanoate (PHA), polyhydroxybutyrate valerate (PHBV) or
Combination.
In complete biodegradable gloves of the invention, the preparation method of the grafted inorganic filler includes following step
It is rapid: (1) by weight, 30-50 parts of silane coupling agent to be mixed with 100 parts of absolute alcohols, obtains silane coupler solution；
(2) by weight, first 100 parts of inorganic filler is mixed with silane coupler solution described in 10 parts of steps (1), it is then high
Fast blender heating stirring is finally putting into temperature drying 3-5 hours of 100-110 DEG C in vacuum oven, and taking-up is cooled to
Room temperature obtains inorganic filler pretreatment material；The parameter of the high-speed mixer: 200-3000 revs/min of revolving speed, temperature 100-
120 DEG C, time 1-3 hour；(3) by weight, by the pretreatment of inorganic filler described in (2) the step of 100 parts material, 100 parts
1,4-butanediol, 140 parts of adipic acid and 180 parts terephthalic acid (TPA) mixing, be put into reaction kettle, be stirred and heated to
150-160 DEG C, 1 part of catalyst is added, is continuously heating to 200-220 DEG C, the time is 3-5 hours, excludes moisture, is obtained just
Grade material；(4) primary material described in step (3) is put into the heating kettle with vacuum pump, first vacuumizes heating 5-12 hours, very
Reciprocal of duty cycle 10-100Pa, then restores normal pressure and takes out after being cooled to room temperature, obtain grafted inorganic filler by 160-200 DEG C of temperature
Embryo material；(5) by the embryo material double screw extruder of grafted inorganic filler described in step (4), extruding pelletization obtains grafting nothing
Machine filler；The silane coupling agent is one of KH550, KH560 and KH570；The inorganic filler is silica, cunning
A kind of or combination in mountain flour, calcium carbonate and kaolin；The catalyst is one of benzoic acid stannous and stannous octoate.
In complete biodegradable gloves of the invention, it is described biology based filler be cornstarch, thermoplastic starch, wood powder,
One of bamboo powder, powdered rice hulls or combination.
In complete biodegradable gloves of the invention, auxiliary agent may include chain extender, plasticizer, anti-hydrolysis agent and opening agent
Middle a kind of or combination.Chain extender includes 1,4- butanediol, 1,6-HD, trimethylolpropane, diethylene glycol (DEG), triethylene glycol, new penta
Glycol, sorbierite, diethylaminoethanol, ethylenediamine, N, bis- (beta-hydroxyethyl) ethers of N- dihydroxy (diisopropyl) aniline, quinhydrones-,
One of 4,4'- diamino -3,3'- dichloro diphenyl methane or combination.Plasticizer is glycerol, ethylene glycol, propylene glycol, fourth two
Alcohol, polyethylene glycol, polypropylene glycol, adipic acid two-(2- ethylhexyl) ester, dibutyl adipate and dibutyl phthalate
One of or combination.The anti-hydrolysis agent is two (2,6- diisopropyl phenyl) carbodiimides, more carbodiimides, 2- evil
Oxazoline, 3- oxazoline, 4- oxazoline, phenyl glycidyl ether, bisphenol-A bisglycidyl ether and four (phenyl glycidyl ethers
Base) one of ethane or combination.The opening agent is a kind of in erucyl amide, oleamide and silica or combination.
Secondly the preparation method of the complete biodegradable gloves of explanation according to a second aspect of the present invention.
The preparation method of complete biodegradable gloves according to a second aspect of the present invention is used to prepare first party according to the present invention
Complete biodegradable gloves described in face, comprising steps of (1) by biodegradable plastic, grafted inorganic filler, biological based filler and
Auxiliary agent is mixed with high-speed mixer in proportion, and 100-600 revs/min of revolving speed, temperature is not more than 60 DEG C, obtains mixture；(2) will
Mixture described in step (1) obtains pellet, the machine of double screw extruder with double screw extruder fusion plastification, extruding pelletization
Cylinder temperature range: 140-200 DEG C, head temperature range: 160-190 DEG C；(3) pellet described in step (2) is passed through into single screw rod
Extruder Blown Film obtains a film；(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biology
Degradation gloves.
In one embodiment, the automatic glove machine can be the glove knitting machine of the disposable PE gloves of production.
Hereinafter, being illustrated in conjunction with specific embodiments to complete biodegradable gloves and preparation method thereof of the invention.
Embodiment 1
One, the preparation step of grafted inorganic filler:
(1) by weight, 30 parts of KH550 is mixed with 100 parts of absolute alcohols, obtains silane coupler solution；
(2) by weight, first that silane coupler solution described in 100 parts of silica and 10 parts of steps (1) is mixed
It closes, then after high-speed mixer heating stirring, is finally putting into vacuum oven with temperature drying 3 hours of 100 DEG C, takes out cold
But to room temperature, inorganic filler pretreatment material is obtained；The parameter of the high-speed mixer: 200 revs/min of revolving speed, 100 DEG C of temperature,
Time 1 hour；
(3) by weight, by the pretreatment of inorganic filler described in (2) the step of 100 parts material, 100 parts of Isosorbide-5-Nitrae-fourth two
The terephthalic acid (TPA) mixing of alcohol, 140 parts of adipic acid and 180 parts, is put into reaction kettle, is stirred and heated to 150 DEG C, then plus
After entering 1 part benzoic acid stannous, 200 DEG C are continuously heating to, the time is 3 hours, excludes moisture, obtains primary material；
(4) primary material described in step (3) is put into the heating kettle with vacuum pump, first vacuumizes heating 5 hours, very
Reciprocal of duty cycle 10Pa, then restores normal pressure and takes out after being cooled to room temperature, obtain the embryo material of grafted inorganic filler by 160 DEG C of temperature；
(5) by the embryo material double screw extruder of grafted inorganic filler described in step (4), extruding pelletization is connect
Branch inorganic filler；
Two, the preparation step of biodegradable gloves:
(1) by weight, by 100 parts of polylactic acid (PLA), 50 parts of grafted inorganic fillers, 10 parts of cornstarch, 1 part of Isosorbide-5-Nitrae-
Butanediol (BDO), 1 part of glycerol, 2 part of two (2,6- diisopropyl phenyl) carbodiimides and 0.5 part of erucyl amide high speed
Mixing machine mixing, 100 revs/min of revolving speed, temperature 60 C obtains mixture；
(2) mixture described in step (1) is obtained into pellet with double screw extruder fusion plastification, extruding pelletization, it is double
Each area's temperature of the machine barrel of screw extruder are as follows: 140 DEG C, 150 DEG C, 155 DEG C and 180 DEG C, head temperature is 160 DEG C；
(3) pellet described in step (2) is formed a film by single screw extrusion machine extrusion-blown modling, obtains a film；Single screw rod is squeezed
The area Chu Jige temperature: 150 DEG C, 160 DEG C, 175 DEG C and 190 DEG C；
(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biodegradable gloves.
Embodiment 2
One, the preparation step of grafted inorganic filler:
(1) by weight, 50 parts of KH560 is mixed with 100 parts of absolute alcohols, obtains silane coupler solution；
(2) by weight, first 100 parts of talcum powder is mixed with silane coupler solution described in 10 parts of steps (1),
Then after high-speed mixer heating stirring, it is finally putting into 5 hours dry with 110 DEG C of temperature in vacuum oven, taking-up cooling
To room temperature, inorganic filler pretreatment material is obtained；The parameter of the high-speed mixer: 3000 revs/min of revolving speed, 120 DEG C of temperature, when
Between 3 hours；
(3) by weight, by the pretreatment of inorganic filler described in (2) the step of 100 parts material, 100 parts of Isosorbide-5-Nitrae-fourth two
The terephthalic acid (TPA) mixing of alcohol, 140 parts of adipic acid and 180 parts, is put into reaction kettle, is stirred and heated to 160 DEG C, then plus
After entering 1 part of stannous octoate, 220 DEG C are continuously heating to, the time is 5 hours, excludes moisture, obtains primary material；
(4) primary material described in step (3) is put into the heating kettle with vacuum pump, first vacuumizes heating 12 hours,
Vacuum degree 100Pa, then restores normal pressure and takes out after being cooled to room temperature, obtain the embryo material of grafted inorganic filler by 200 DEG C of temperature；
(5) by the embryo material double screw extruder of grafted inorganic filler described in step (4), extruding pelletization is connect
Branch inorganic filler.
Two, the preparation step of biodegradable gloves:
(1) by weight, by 100 parts of polyadipate/butylene terephthalates (PBAT), 80 parts of grafted inorganic fillers,
20 parts of thermoplastic starch, 1.5 parts of 1,6-HDs, 1.5 parts of ethylene glycol, carbodiimides more than 2 parts and 1 part of oleamide are high
Fast mixing machine mixing, 600 revs/min of revolving speed, temperature 50 C obtains mixture；
(2) mixture described in step (1) is obtained into pellet with double screw extruder fusion plastification, extruding pelletization, it is double
Each area's temperature of the machine barrel of screw extruder are as follows: 160 DEG C, 165 DEG C, 180 DEG C and 200 DEG C, head temperature is 170 DEG C；
(3) pellet described in step (2) is formed a film by single screw extrusion machine extrusion-blown modling, obtains a film；Single screw rod is squeezed
The area Chu Jige temperature: 180 DEG C, 185 DEG C, 185 DEG C and 195 DEG C；
(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biodegradable gloves.
Embodiment 3
One, the preparation step of grafted inorganic filler:
(1) by weight, 40 parts of KH570 is mixed with 100 parts of absolute alcohols, obtains silane coupler solution；
(2) by weight, first 100 parts of calcium carbonate is mixed with silane coupler solution described in 10 parts of steps (1),
Then after high-speed mixer heating stirring, it is finally putting into 4 hours dry with 105 DEG C of temperature in vacuum oven, taking-up cooling
To room temperature, inorganic filler pretreatment material is obtained；The parameter of the high-speed mixer: 1600 revs/min of revolving speed, 110 DEG C of temperature, when
Between 2 hours；
(3) by weight, by the pretreatment of inorganic filler described in (2) the step of 100 parts material, 100 parts of Isosorbide-5-Nitrae-fourth two
The terephthalic acid (TPA) mixing of alcohol, 140 parts of adipic acid and 180 parts, is put into reaction kettle, is stirred and heated to 155 DEG C, then plus
After entering 1 part of stannous octoate, 210 DEG C are continuously heating to, the time is 4 hours, excludes moisture, obtains primary material；
(4) primary material described in step (3) is put into the heating kettle with vacuum pump, first vacuumizes heating 8 hours, very
Reciprocal of duty cycle 60Pa, then restores normal pressure and takes out after being cooled to room temperature, obtain the embryo material of grafted inorganic filler by 180 DEG C of temperature；
(5) by the embryo material double screw extruder of grafted inorganic filler described in step (4), extruding pelletization is connect
Branch inorganic filler.
Two, the preparation step of biodegradable gloves:
(1) by weight, by 100 parts of poly butylene succinates (PBS), 60 parts of grafted inorganic fillers, 15 parts of wood powders, 2
Part trimethylolpropane, 1 part of propylene glycol, 2.5 parts of 2- oxazolines and 2 parts of silica are mixed with high-speed mixer, revolving speed 400
Rev/min, temperature 45 C obtains mixture；
(2) mixture described in step (1) is obtained into pellet with double screw extruder fusion plastification, extruding pelletization, it is double
Each area's temperature of the machine barrel of screw extruder are as follows: 145 DEG C, 155 DEG C, 165 DEG C and 175 DEG C, head temperature is 165 DEG C；
(3) pellet described in step (2) is formed a film by single screw extrusion machine extrusion-blown modling, obtains a film；Single screw rod is squeezed
The area Chu Jige temperature: 150 DEG C, 155 DEG C, 165 DEG C and 180 DEG C；
(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biodegradable gloves.
Embodiment 4
One, the preparation step of grafted inorganic filler: in addition to kaolin replaces talcum powder, other are same as Example 2.
Two, the preparation step of biodegradable gloves:
(1) by weight, by 100 parts of poly-succinics-adipic acid fourth diester (PBSA), 80 parts of grafted inorganic fillers, 20 parts
Bamboo powder, 1.5 portions of diethylene glycol (DEG)s, 1.5 parts of butanediols, 2 parts of phenyl glycidyl ethers and 1 part of oleamide are mixed with high-speed mixer
It closes, 600 revs/min of revolving speed, temperature 50 C obtains mixture；
(2) mixture described in step (1) is obtained into pellet with double screw extruder fusion plastification, extruding pelletization, it is double
Each area's temperature of the machine barrel of screw extruder are as follows: 165 DEG C, 170 DEG C, 180 DEG C and 190 DEG C, head temperature is 170 DEG C；
(3) pellet described in step (2) is formed a film by single screw extrusion machine extrusion-blown modling, obtains a film；Single screw rod is squeezed
The area Chu Jige temperature: 180 DEG C, 185 DEG C, 185 DEG C and 195 DEG C；
(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biodegradable gloves.
Embodiment 5
One, the preparation step of grafted inorganic filler: same as Example 2.
Two, the preparation step of biodegradable gloves:
(1) by weight, by 100 parts of lined polymethyl ethylene carbonates (PPC), 80 parts of grafted inorganic fillers, 20 parts of powdered rice hulls,
3 parts of triethylene glycols, 3 parts of polyethylene glycol, 3 parts of bisphenol-A bisglycidyl ethers and 1 part of oleamide are mixed with high-speed mixer, are turned
600 revs/min of speed, temperature 50 C obtains mixture；
(2) mixture described in step (1) is obtained into pellet with double screw extruder fusion plastification, extruding pelletization, it is double
Each area's temperature of the machine barrel of screw extruder are as follows: 175 DEG C, 180 DEG C, 190 DEG C and 200 DEG C, head temperature is 180 DEG C；
(3) pellet described in step (2) is formed a film by single screw extrusion machine extrusion-blown modling, obtains a film；Single screw rod is squeezed
The area Chu Jige temperature: 180 DEG C, 185 DEG C, 185 DEG C and 195 DEG C；
(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biodegradable gloves.
Embodiment 6
One, the preparation step of grafted inorganic filler: same as Example 2.
Two, the preparation step of biodegradable gloves:
(1) by weight, by 100 parts of poly terephthalic acid -co- succinic acid-butanediol esters (PBST), 80 parts of grafted inorganics
Filler, 20 parts of thermoplastic starch, 3 parts of ethylenediamines, 3 parts of dibutyl adipates, 3 part of four (phenyl glycidyl ether base) ethane and
1 part of oleamide is mixed with high-speed mixer, and 600 revs/min of revolving speed, temperature 60 C obtains mixture；
(2) mixture described in step (1) is obtained into pellet with double screw extruder fusion plastification, extruding pelletization, it is double
Each area's temperature of the machine barrel of screw extruder are as follows: 170 DEG C, 175 DEG C, 180 DEG C and 190 DEG C, head temperature is 190 DEG C；
(3) pellet described in step (2) is formed a film by single screw extrusion machine extrusion-blown modling, obtains a film；Single screw rod is squeezed
The area Chu Jige temperature: 180 DEG C, 185 DEG C, 190 DEG C and 200 DEG C；
(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biodegradable gloves.
Comparative example 1
The preparation step of biodegradable gloves:
(1) by weight, by 100 parts of poly terephthalic acid -co- succinic acid-butanediol esters (PBST), 20 parts of thermoplastic starch
Powder, 3 parts of ethylenediamines, 3 parts of dibutyl adipates, 3 part of four (phenyl glycidyl ether base) ethane and 1 part of oleamide high speed
Mixing machine mixing, 600 revs/min of revolving speed, temperature 60 C obtains mixture；
(2) mixture described in step (1) is obtained into pellet with double screw extruder fusion plastification, extruding pelletization, it is double
Each area's temperature of the machine barrel of screw extruder are as follows: 170 DEG C, 175 DEG C, 180 DEG C and 190 DEG C, head temperature is 190 DEG C；
(3) pellet described in step (2) is formed a film by single screw extrusion machine extrusion-blown modling, obtains a film；Single screw rod is squeezed
The area Chu Jige temperature: 180 DEG C, 185 DEG C, 190 DEG C and 200 DEG C；
(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biodegradable gloves.
Performance test
1, the measurement of tensile strength and elongation at break
" measurement of plastic tensile performance " (GB T1040.3-2006) third portion according to national standards, film and thin slice
Experimental condition: dumbbell shape batten is length 150mm, and narrow parallel width is 10mm, tensile speed 50mm/min, room temperature 25
℃。
2, the measurement of tearing strength
It quotes GB/T 16578-1996 " plastic film and thin slice tearing-resistant performance test method trousers shape method of Tearing ", stretches
200 ± 20mm/min of speed.
3, biological degradability
Gloves impregnate 24 hours into the water, and taking-up tests tensile strength, elongation at break and tearing strength after drying.
The performance test results of above-described embodiment and comparative example products therefrom are shown in Table 1.
The performance test results of the biodegradable gloves of table 1
It can be seen from Table 1 that adding grafting nothing prepared by the present invention in complete biodegradable gloves prepared by the present invention
Mechanical strength and water resistance can be improved in the case where not reducing gloves elasticity in machine filler；In addition, preparation method of the invention
Simply, existing equipment is slightly transformed and be can be realized.Gloves of the invention can be used for hospital, and the hand of the occasions such as factory or family is protected
Shield.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of complete biodegradable gloves, which is characterized in that ingredient includes: by mass fraction
2. complete biodegradable gloves as described in claim 1, which is characterized in that the biodegradable plastic is polylactic acid
(PLA), polyadipate/butylene terephthalate (PBAT), poly butylene succinate (PBS), poly-succinic-adipic acid fourth
Diester (PBSA), lined polymethyl ethylene carbonate (PPC), poly terephthalic acid -co- succinic acid-butanediol ester (PBST), poly- 3- hydroxyl
Base butyrate (PHB), polyglycolic acid (PGA), polycaprolactone (PCL), polyhydroxy-alkanoate (PHA), polyhydroxybutyrate valeric acid
One of ester (PHBV) or combination.
3. complete biodegradable gloves as described in claim 1, which is characterized in that the preparation method packet of the grafted inorganic filler
Include following steps:
(1) by weight, 30-50 parts of silane coupling agent is mixed with 100 parts of absolute alcohols, obtains silane coupler solution；
(2) by weight, first 100 parts of inorganic filler is mixed with silane coupler solution described in 10 parts of steps (1), so
High-speed mixer heating stirring afterwards is finally putting into vacuum oven with temperature drying 3-5 hours of 100-110 DEG C, takes out cold
But to room temperature, inorganic filler pretreatment material is obtained；The parameter of the high-speed mixer: 200-3000 revs/min of revolving speed, temperature
100-120 DEG C, time 1-3 hour；
(3) by weight, by inorganic filler described in (2) the step of 100 parts pretreatment material, 100 parts 1,4-butanediol,
The terephthalic acid (TPA) mixing of 140 parts of adipic acid and 180 parts, is put into reaction kettle, is stirred and heated to 150-160 DEG C, then
1 part of catalyst is added, is continuously heating to 200-220 DEG C, the time is 3-5 hours, excludes moisture, obtains primary material；
(4) primary material described in step (3) is put into the heating kettle with vacuum pump, first vacuumizes heating 5-12 hours, very
Reciprocal of duty cycle 10-100Pa, then restores normal pressure and takes out after being cooled to room temperature, obtain grafted inorganic filler by 160-200 DEG C of temperature
Embryo material；
(5) by the embryo material double screw extruder of grafted inorganic filler described in step (4), extruding pelletization obtains grafting nothing
Machine filler；
The silane coupling agent is one of KH550, KH560 and KH570；
The inorganic filler is a kind of in silica, talcum powder, calcium carbonate and kaolin or combination；
The catalyst is one of benzoic acid stannous and stannous octoate.
4. complete biodegradable gloves as described in claim 1, which is characterized in that the biology based filler is cornstarch, heat
One of plastic starch, wood powder, bamboo powder, powdered rice hulls or combination.
5. complete biodegradable gloves as described in claim 1, which is characterized in that the auxiliary agent includes chain extender, plasticizer, resists
A kind of or combination in hydrolytic reagent and opening agent.
6. complete biodegradable gloves as claimed in claim 5, which is characterized in that chain extender include 1,4-butanediol, 1,6- oneself
Glycol, trimethylolpropane, diethylene glycol (DEG), triethylene glycol, neopentyl glycol, sorbierite, diethylaminoethanol, ethylenediamine, N, N- dihydroxy
One of bis- (beta-hydroxyethyl) ethers of base (diisopropyl) aniline, quinhydrones -, 4,4'- diamino -3,3'- dichloro diphenyl methane or
Combination.
7. complete biodegradable gloves as claimed in claim 5, which is characterized in that plasticizer be glycerol, ethylene glycol, propylene glycol,
Butanediol, polyethylene glycol, polypropylene glycol, adipic acid two-(2- ethylhexyl) ester, dibutyl adipate and phthalic acid two
One of butyl ester or combination.
8. complete biodegradable gloves as claimed in claim 5, which is characterized in that the anti-hydrolysis agent is two (2,6- diisopropyls
Base phenyl) carbodiimides, more carbodiimides, 2- oxazoline, 3- oxazoline, 4- oxazoline, phenyl glycidyl ether, bis-phenol
One of A bisglycidyl ether and four (phenyl glycidyl ether base) ethane or combination.
9. complete biodegradable gloves as claimed in claim 5, which is characterized in that the opening agent is erucyl amide, oleic acid acyl
A kind of or combination in amine and silica.
10. a kind of preparation method of complete biodegradable gloves, is used to prepare the full life as described in any one of claim 1-9
Object degradation gloves, which is characterized in that including the following steps:
(1) biodegradable plastic, grafted inorganic filler, biological based filler and auxiliary agent are mixed with high-speed mixer in proportion,
100-600 revs/min of revolving speed, temperature is not more than 60 DEG C, obtains mixture；
(2) mixture described in step (1) is obtained into pellet, twin-screw with double screw extruder fusion plastification, extruding pelletization
The barrel temperature range of extruder: 140-200 DEG C, head temperature range: 160-190 DEG C；
(3) pellet described in step (2) is passed through into single screw extrusion machine Blown Film, obtains a film；
(4) it by cylinder film described in step (3), is cut by automatic glove machine, obtains biodegradable gloves.
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| CN201910010867.8A CN109912946B (en) | 2019-01-07 | 2019-01-07 | Full-biodegradable gloves and preparation method thereof |
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| CN201910010867.8A CN109912946B (en) | 2019-01-07 | 2019-01-07 | Full-biodegradable gloves and preparation method thereof |
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