CN108587075A - A kind of modification polyester materials and preparation method thereof - Google Patents
A kind of modification polyester materials and preparation method thereof Download PDFInfo
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- CN108587075A CN108587075A CN201810259979.2A CN201810259979A CN108587075A CN 108587075 A CN108587075 A CN 108587075A CN 201810259979 A CN201810259979 A CN 201810259979A CN 108587075 A CN108587075 A CN 108587075A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- 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
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- 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
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Abstract
The present invention provides a kind of modification polyester materials and preparation method thereof.The modification polyester materials of the present invention, by weight, including following raw material：60~80 parts of copolyester, 5~15 parts of gas phase SiO2, 2~5 parts of calcium carbonate, 0~2 part of antiseptic, 5~15 parts of antistatic agent, 0~1 part of heat stabilizer, 5~10 parts of anti-impact modifier, 0~1 part of antioxidant and 0~3 part of pigment.The modification polyester materials of the present invention have good oleophobic hydrophilicity, non-skid property, toughness, hydrolytic stability, have antibacterial, antistatic and splendid water contact angle specific function.The preparation method of the present invention is simple, modification polyester materials obtained can be used for the preparation of tableware, and tableware is not required to addition cleaning agent in cleaning, and cleaning 1~3min using 80~90 DEG C of hot water can clean up, and tableware surface is without droplet wall built-up, the application especially suitable for field of food.
Description
Technical field
The invention belongs to polyester material technical field, it is related to a kind of modification polyester materials and preparation method thereof.
Background technology
With the raising of people's the accelerating rhythm of life and the level of consumption, quick diet and people’s lives are closely bound up.
Therefore, tableware used in diet and very important with the cleaning problem of postprandial tableware.Common tableware includes bowl, dish, cutlery box etc.,
Ceramic making is mostly used, also useful plastic production.Crockery needs high-temperature firing, needs to consume a large amount of energy, to environment
It is unfriendly, belong to the three high industries of " high energy consumption, high pollution, maximum discharge ".Currently, plastic tableware in the market is light with its, valence
The advantages that honest and clean and mechanical property is good dominates tableware market.But there is many flaws and inconvenience, example in it in actual use
There is higher toughness, common PP plastic tablewares quality is soft, and stress very little is just turned round while being such as unable to reach with higher-strength
Song deformation is difficult to normal use；PP plastics black brittleness is big；Common PS plastic quality is harder but its toughness is very poor, meeting after stress
Fracture, when fractureing clast splashing the serious problems such as hurt sb.'s feelings.And plastic tableware is since material itself belongs to lipophile,
Therefore self-cleaning property is poor, the auxiliary agents such as plasticizer that in addition plastics add during thermoplastic shaping, the meeting pair in the application of tableware
Human body generates prodigious harm.
Currently, the tableware of plastic material is more and more, has the advantages that good crash resistance, is unlikely to deform and is extensive
Applied to dining room, aircraft tableware apparatus.
CN105860462 discloses a kind of polylactic acid-base composite material, which is characterized in that includes according to mass fraction：65
Part~90 parts of polylactic acid, 5 parts~20 parts of aliphatic-aromatic copolyester, 3 parts~8 parts of compatilizer and 10 parts~20 parts
Modified inorganic filler；The weight average molecular weight of the polylactic acid is 100,000~180,000, molecular weight distributing index is 1.2~2；It is described
Modified inorganic filler is to carry out surface-active-treatment to inorganic filler using coupling agent to obtain；Polylactic acid base produced by the present invention is multiple
The mechanical strength of condensation material is preferable, and still, there is also unclean inconvenient problems in cleaning for the tableware made of the material.
CN104355567A discloses a kind of method of high-strength imitated ceramic material prepared and its manufacture tableware, feature
It is, it is as follows that high-strength imitated ceramic material prepares required substance proportioning：(1) unsaturated polyester resin 220~240 parts (2) is low
10~50 parts of shrinkage resin, 5~7.5 parts of (3) curing agent (4) mountain flour, 450~500 parts of 175~205 parts of (5) glass fibres (6) are hard
The preparation of 10~20 parts of high-strength imitated ceramic materials of resin acid zinc, steps are as follows：1. first by unsaturated polyester resin, lower shrinkage tree
Fat, curing agent, zinc stearate and 30% mountain flour be added high shear type blender in stir evenly, mixing temperature reaches
It 50 DEG C ± 5 DEG C, is then slow added into remaining mountain flour and is mixed evenly, resin premixed slurry is made；2. resin premixed
Slurry is added in batch mixer, the short glass fiber that drying and processing is crossed is added, the group of pouring out expects after stirring 10~15 minutes, described
Group's material is extruded into strip and pellet with extruder, spare after drying, and group's material is known as moulding compound；The method for manufacturing tableware is mould
Molded or injection molding, wherein compression molding is pressed into tableware product with moulding compound, i.e., moulding compound is added to preheating
Mold in, curing molding after pressurized, heating, detailed process is：1. feeding；Solid molded material is added to the steel of preheating
It is 2. molded in molding jig；The upper die and lower die of mold are integrated 3. mold filling；Moulding compound flows and under stress full of entire
4. cavity cures；It keeps fully curing after a certain period of time under the pressure and temperature of setting and 5. mold；Take out dinner set product.
But tableware made of existing plastic material is because making that the oil stain of tableware surface not do by easy cleaning with lipophile
Only, the oil stain of the removal tableware surface also, for more convenient and quicker, can generally use a large amount of cleaning agent for dinnerware, tableware clear
A large amount of uses of lotion can make tableware surface remain many cleaning agents, and long-term accumulation can impact the health of people, separately
Outside, because containing many synthetics in cleaning agent, the cleaning agent waste water after wash dishes can early cause environment prodigious danger
Evil.
Invention content
In view of the deficiencies of the prior art, one of the objects of the present invention is to provide a kind of modification polyester materials, have good
Oleophobic hydrophilicity, non-skid property, toughness, hydrolytic stability, have antibacterial, anlistatig function.
For this purpose, the present invention uses following technical scheme：
A kind of modification polyester materials, by weight, including following raw material：
The modification polyester materials of the present invention, by weight, including following raw material：60~80 parts of copolyester, such as
The parts by weight of copolyester be 60 parts, 61 parts, 62 parts, 63 parts, 64 parts, 65 parts, 66 parts, 67 parts, 68 parts, 69 parts, 70 parts, 71
Part, 72 parts, 73 parts, 74 parts, 75 parts, 76 parts, 77 parts, 78 parts, 79 parts, 80 parts.
5~15 parts of gas phase SiO2, such as gas phase SiO2Parts by weight be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts,
12 parts, 13 parts, 14 parts, 15 parts.
2~5 parts of calcium carbonate, such as the parts by weight of calcium carbonate are 2 parts, 3 parts, 4 parts, 5 parts.
0~2 part of antiseptic, for example, antiseptic parts by weight be 0,0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part,
0.6 part, 0.7 part, 0.8 part, 0.9 part, 1 part, 1.1 parts, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts,
1.9 parts, 2 parts；
5~15 parts of antistatic agent, for example, antistatic agent parts by weight be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11
Part, 12 parts, 13 parts, 14 parts, 15 parts.
0~1 part of heat stabilizer, for example, heat stabilizer parts by weight be 0,0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5
Part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1 part.
5~10 parts of anti-impact modifier, for example, anti-impact modifier parts by weight be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts,
10 parts.
0~1 part of antioxidant, for example, antioxidant parts by weight be 0,0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part,
0.6 part, 0.7 part, 0.8 part, 0.9 part, 1 part.
0~3 part of pigment, for example, pigment parts by weight be 0,0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part, 0.6 part,
0.7 part, 0.8 part, 0.9 part, 1 part, 1.1 parts, 1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts, 2
Part, 2.1 parts, 2.3 parts, 2.3 parts, 2.4 parts, 2.5 parts, 2.6 parts, 2.7 parts, 2.8 parts, 2.9 parts, 3 parts.
Preferably, modification polyester materials of the invention, by weight, including following raw material：65~75 parts
Copolyester, 8~10 parts of gas phase SiO2, 3~5 parts calcium carbonate, 0~1 part of antiseptic, 6~10 parts of antistatic agent, 0
~0.5 part of heat stabilizer, 6~8 parts of anti-impact modifier, 0~0.5 part of antioxidant and 0~2 part of pigment.
The copolyester of the present invention is PCTG.PCTG materials, a kind of transparent plastic are a kind of armorphous copolyester, PCTG
Common comonomer is 1,4-CHDM (CHDM), and full name is polyethylene terephthalate-Isosorbide-5-Nitrae-hexamethylene
Diformazan alcohol ester.It is by three kinds of terephthalic acid (TPA) (TPA), ethylene glycol (EG) and 1,4 cyclohexane dimethanol (CHDM) monomer esters
The product of exchange process polycondensation, and relatively more 1,4-CHDM comonomers of PET, with PCT than more ethylene glycol copolymerization
Monomer, therefore, the performance and PET, PCT of PCTG differ widely.PCTG is a kind of non-crystalline type copolyester, in copolymer
The increase of CHDM, fusing point decline, and glass transition temperature rises, and crystallinity declines, and eventually forms amorphous polymer；It has preferable
Viscosity, transparency, color, chemically-resistant medicament and resistance to stress whitening capability, can thermoforming or extrusion and blow molding quickly；Viscosity
It is better than acrylic acid (acrylic).PCTG is a kind of armorphous copolyester, product highly transparent, excellent shock resistance, especially
Suitable for being molded heavy wall transparent article, machine-shaping property is splendid, can carry out setting for arbitrary shape according to the intention of designer
Meter, may be used the forming methods such as traditional extrusion, injection molding, blowing and plastic uptake, can be widely applied to sheet, high-performance is received
Contracting film, bottle are used and the markets such as profile shapes, cosmetic package, while its suitability for secondary processing is excellent.
Aerosil (gas phase SiO2) it is one of ultra tiny New Inorganic Materials of extremely important high-tech, have porous
Property, non-toxic and tasteless pollution-free, high temperature resistant；The chemical inertness and special thixotropic property that it has simultaneously are obviously improved product
Tensile strength, tear resistance and wearability.The grain size of the gas phase sio2 of the present invention is 20~30nm, such as the grain size of gas phase sio2
For 20nm, 21nm, 22nm, 23nm, 24nm, 25nm, 26nm, 27nm, 28nm, 29nm, 30nm.In the present invention, the antiseptic
For silver ion antimicrobial agent；Preferably, the silver ion antimicrobial agent be silver ion zeolite, silver ion active charcoal, silver ion phosphate,
Silver ion silicate, silver ion titanate, one kind in silver ion ceramics or at least two mixture.
The antistatic agent is ethoxylated fat race alkylamine；Preferably, ethoxylated fat race alkylamine is
One kind in ethyoxyl lauric acid amine, didodecyl phosphate and glyceryl monostearate or at least two mixture.It is described mixed
The conjunction typical but non-limiting mixture for being combined as ethyoxyl lauric acid amine, didodecyl phosphate of object, ethyoxyl lauric acid amine,
The mixture of the mixture of glyceryl monostearate, didodecyl phosphate and glyceryl monostearate, ethyoxyl lauric acid amine, phosphorus
The mixture of sour dilauryl and glyceryl monostearate.
The heat stabilizer is that biological basic ring aoxidizes soybean oil, vitamin C and one kind in vitamin E or at least two
Mixture.The mixture is typical but non-limiting to be combined as biology base epoxidised soybean oil, ascorbic mixture, life
The mixture of object base epoxidised soybean oil, vitamin E, vitamin C, vitamin E mixture, biology base epoxidised soybean oil,
The mixture of vitamin C and vitamin E.
The anti-impact modifier is acrylonitrile-butadiene-styrene copolymer, methyl methacrylate-butadiene-benzene
Ethylene copolymer, haloflex, ethylene-vinyl acetate copolymer, styrene-butadiene-styrene, synthetic rubber
With in thermoplastic elastomer (TPE) one kind or at least two mixture.
The antioxidant is β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanols acid esters, 2- di-2-ethylhexylphosphine oxides (4-
Methyl-6-tert-butylphenol) and one kind in three (2.4- di-tert-butyl-phenyls) phosphite esters or at least two mixture.Institute
State that mixture is typical but non-limiting to be combined as β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid octadecanols acid esters, 2-
The mixture of di-2-ethylhexylphosphine oxide (4- methyl-6-tert-butylphenols), β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecanol
The mixture of acid esters, three (2.4- di-tert-butyl-phenyls) phosphite esters, 2- di-2-ethylhexylphosphine oxides (4- methyl-6-tert-butylphenols) and three
The mixture of (2.4- di-tert-butyl-phenyls) phosphite ester, β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid octadecanol acid
The mixture of ester, 2- di-2-ethylhexylphosphine oxides (4- methyl-6-tert-butylphenols) and three (2.4- di-tert-butyl-phenyls) phosphite esters.
The second object of the present invention is to provide a kind of preparation method of modification polyester materials, include the following steps：By weight
Part meter is measured, weighs 60~80 parts of copolyester, 5~15 parts of gas phase SiO respectively2, 2~5 parts calcium carbonate, 0~2 part anti-
Microbial inoculum, 5~15 parts of antistatic agent, 0~1 part of heat stabilizer, 5~10 parts of anti-impact modifier, 0~1 part of antioxidant
And 0~3 part of pigment, dry be placed in batch mixer are stirred, and double screw extruder is added in the material mixed
The modification polyester materials are prepared by the strand of extrusion through cooling, granulation in middle melting extrusion.
The temperature of the drying is 90~100 DEG C, for example, dry temperature is 90 DEG C, 91 DEG C, 92 DEG C, 93 DEG C, 94 DEG C, 95
℃、96℃、97℃、98℃、99℃、100℃；The time of the drying is 3~4h, for example, the dry time be 3h, 3.1h,
3.2h、3.3h、3.4h、3.5h、3.6h、3.7h、3.8h、3.9h、4h。
Preferably, extrusion temperature of the double screw extruder from spout to extrusion die is respectively：One section 240~
280 DEG C, two sections 240~280 DEG C, three sections 240~280 DEG C, 240~280 DEG C of nozzle, 40~65 DEG C of mold, turn of the screw rod
Speed is 40~70r/min, such as the rotating speed of screw rod is 40r/min, 45r/min, 50r/min, 55r/min, 60r/min, 65r/
min、70r/min。
Preferably as the preparation method of the modification polyester materials of the present invention, include the following steps：By weight, divide
Also known as take 60~80 parts of copolyester, 5~15 parts of gas phase SiO2, 2~5 parts calcium carbonate, 0~2 part of antiseptic, 5~
15 parts of antistatic agent, 0~1 part of heat stabilizer, 5~10 parts of anti-impact modifier, 0~1 part of antioxidant and 0~3
The pigment of part, dry be placed in batch mixer are stirred, and the material mixed, which is added twin-screw extrude melting, to be squeezed
Go out, wherein dry temperature is 90~100 DEG C, and the dry time is 3~4h, and double screw extruder is from spout to extrusion die
Head extrusion temperature be respectively：One section 240~280 DEG C, two sections 240~280 DEG C, three sections 240~280 DEG C, nozzle 240~280
DEG C, the rotating speed of 40~65 DEG C of mold, the screw rod is 40~70r/min；By the strand of extrusion through cooling, granulation, it is prepared
The modification polyester materials.
Compared with prior art, beneficial effects of the present invention are：
(1) modification polyester materials of the invention, gas phase sio2 are used to improve the surface tension of polyester material, and calcium carbonate adds
Enter to make the hardness of polyester material reliable, improves non-skid property；By adjusting copolyester, gas phase gas phase SiO2, calcium carbonate matches
Than improving the oleophobic hydrophilicity of modification polyester materials jointly.
(2) present invention is by adjusting the type and proportioning of raw material, and synergistic effect makes modified poly ester obtained between each raw material
Material has good toughness, hydrolytic stability, has antibacterial, the specific function of heat resistance and splendid water contact angle, antibacterial
Property is 99.99% or more, and heat distortion temperature is at 87 DEG C or more, and water contact angle is at 85 ° or more；Impact resistance is good, cantilever beam punching
Hit intensity is in 700J/m2More than；Bending modulus is in 1500MPa or more.
(3) preparation method of modification polyester materials of the invention is simple, and modification polyester materials obtained have good dredge
Oily hydrophilicity and good non-skid property, can be used for the preparation of tableware, and thus it is clear to be not required to addition in cleaning for manufactured tableware
Lotion, cleaning 1~3min using 80~90 DEG C of hot water can be clean by the wash dishes of this material, and environment friendly is good, and
And clean after tableware surface without droplet wall built-up, the application especially suitable for field of food.
Specific implementation mode
The technical solution further illustrated the present invention below by specific implementation mode.
Unless specific instructions, various raw materials of the invention are commercially available buys, or is prepared according to the conventional method of this field
It obtains.
The modification polyester materials of the present invention, by weight, including following raw material：
The preparation method of the modification polyester materials of the present invention, includes the following steps：By weight, 60~80 are weighed respectively
The copolyester, 5~15 parts of gas phase SiO of part2, 2~5 parts calcium carbonate, 0~2 part of antiseptic, 5~15 parts antistatic
Agent, 0~1 part of heat stabilizer, 5~10 parts of anti-impact modifier, 0~1 part of antioxidant and 0~3 part of pigment, it does
Dry be placed in batch mixer is stirred, and the material mixed is added twin-screw extrude melting extrusion, wherein dry
Temperature be 90~100 DEG C, the dry time be 3~4h, extrusion temperature of the double screw extruder from spout to extrusion die
Respectively：One section 240~280 DEG C, two sections 240~280 DEG C, three sections 240~280 DEG C, 240~280 DEG C of nozzle, mold 40~65
DEG C, the rotating speed of the screw rod is 40~70r/min；By the strand of extrusion through cooling, granulation, the modified poly ester is prepared
Material.
Embodiment 1
By weight, 65 parts of copolyester, 15 parts of gas phase SiO are weighed respectively2, 5 parts calcium carbonate, 2 parts of silver
Ion activity charcoal, 14 parts of ethyoxyl lauric acid amine, 0.7 part of vitamin C, 7 parts of thermoplastic elastomer (TPE), 1 part of 2- methylenes
Base bis- (4- methyl-6-tert-butylphenols) and 2 parts of pigment, dry be placed in batch mixer is stirred, by what is mixed
Material add twin-screw extrude melting extrusion, wherein dry temperature be 100 DEG C, the dry time be 3h, twin-screw
Extrusion temperature of the extruder from spout to extrusion die be respectively：One section 240~280 DEG C, two sections 240~280 DEG C, three sections
240~280 DEG C, the rotating speed of 240~280 DEG C of nozzle, 40~65 DEG C of mold, the screw rod is 40r/min, and the strand of extrusion is passed through
Cooling, granulation, is prepared the modification polyester materials.
Embodiment 2
By weight, it weighs respectively and weighs 75 parts of copolyester, 6 parts of gas phase SiO respectively2, 4 parts calcium carbonate,
1.5 parts of silver ion silicate, the mixture of silver ion titanate, 11 parts of ethyoxyl lauric acid amine, didodecyl phosphate
Mixture, 0.8 part of biology base epoxidised soybean oil, the mixture of vitamin E, 6 parts of haloflex, ethyl vinyl acetate second
Alkene copolymer, the mixture of styrene-butadiene-styrene, the three of 0.2 part (2.4- di-tert-butyl-phenyls) phosphorous acid
Ester and 1.5 parts of pigment, dry be placed in batch mixer are stirred, and double screw extruder is added in the material mixed
Wherein, dry temperature is 110 DEG C for middle melting extrusion, and the dry time is 3.5h, and double screw extruder is from spout to extrusion
The extrusion temperature of die head is respectively：One section 240~280 DEG C, two sections 240~280 DEG C, three sections 240~280 DEG C, nozzle 240~
280 DEG C, the rotating speed of 40~65 DEG C of mold, the screw rod is 50r/min, and by the strand of extrusion through cooling, granulation, institute is prepared
The modification polyester materials stated.
Embodiment 3
By weight, it weighs respectively and weighs 65 parts of copolyester, 12 parts of gas phase SiO respectively2, 2 parts calcium carbonate,
1 part silver ion ceramics, 8 parts ethyoxyl lauric acid amine, didodecyl phosphate and glyceryl monostearate mixture, 1 part
Vitamin C, the mixture of vitamin E, 8 parts of acrylonitrile-butadiene-styrene copolymer, methyl methacrylate-fourth two
The mixture of alkene-styrol copolymer, 1 part of 2- di-2-ethylhexylphosphine oxides (4- methyl-6-tert-butylphenols) and 1 part of pigment are done
Dry be placed in batch mixer is stirred, and the material mixed is added twin-screw extrude melting extrusion, wherein dry
Temperature be 125 DEG C, the dry time is 4h, and extrusion temperature of the double screw extruder from spout to extrusion die be respectively：
One section 240~280 DEG C, two sections 240~280 DEG C, three sections 240~280 DEG C, 240~280 DEG C of nozzle, 40~65 DEG C of mold is described
The rotating speed of screw rod is 70r/min, and by the strand of extrusion through cooling, granulation, the modification polyester materials are prepared.
Embodiment 4
By weight, it weighs respectively and weighs 70 parts of copolyester, 5 parts of gas phase SiO respectively2, 3 parts calcium carbonate, 1
The silver ion phosphate, 10 parts of glyceryl monostearate, 0.5 part of biology base epoxidised soybean oil, 5 parts of styrene-of part
Butadiene-styrene copolymer, 0.5 part of 2- di-2-ethylhexylphosphine oxides (4- methyl-6-tert-butylphenols) and three (2.4- di-tert-butyls
Base) phosphite ester mixture and 1 part of pigment, dry be placed in batch mixer be stirred, the material that will be mixed
Add twin-screw extrude melting extrusion, wherein dry temperature is 130 DEG C, and the dry time is 3h, double screw extruder
Extrusion temperature from spout to extrusion die is respectively：One section 240~280 DEG C, two sections 240~280 DEG C, three section 240~280
DEG C, 240~280 DEG C of nozzle, 40~65 DEG C of mold, the rotating speed of the screw rod is 60r/min, by the strand of extrusion through cooling, make
The modification polyester materials are prepared in grain.
Embodiment 5
By weight, it weighs respectively and weighs 80 parts of copolyester, 15 parts of gas phase SiO respectively2, 5 parts calcium carbonate,
2 parts of silver ion silicate, the mixture of 10 parts of didodecyl phosphate and glyceryl monostearate, 1 part of biology base epoxy
Change mixture, 10 parts of ethylene-vinyl acetate copolymer, 1 part of the 2- di-2-ethylhexylphosphine oxides of soybean oil, vitamin C and vitamin E
The mixture and 2 parts of pigment of (4- methyl-6-tert-butylphenols) and three (2.4- di-tert-butyl-phenyls) phosphite esters, it is dry
It is placed in batch mixer and is stirred, the material mixed is added twin-screw extrude into melting extrusion, wherein dry
Temperature is 110 DEG C, and the dry time is 4h, and extrusion temperature of the double screw extruder from spout to extrusion die is respectively：One
240~280 DEG C of section, two sections 240~280 DEG C, three sections 240~280 DEG C, 240~280 DEG C of nozzle, 40~65 DEG C of mold, the spiral shell
The rotating speed of bar is 55r/min, and by the strand of extrusion through cooling, granulation, the modification polyester materials are prepared.
Comparative example 1
For this comparative example difference from example 1 is that polyester material used is PET, other are same as Example 1.
Comparative example 2
This comparative example embodiment 1 the difference is that, be not added with gas phase SiO2, other are same as Example 1.
Comparative example 3
This comparative example embodiment 1 the difference is that, be not added with calcium carbonate, other are same as Example 1.
Modification polyester materials made from embodiment 1-5 are tested for the property with polyester material made from comparative example, are tested
Reference standard and experimental data are as shown in table 1.
Table 1
The present invention is by adjusting the type and proportioning of raw material, and synergistic effect makes modification polyester materials obtained between each raw material
With good toughness, hydrolytic stability, excellent chemical property, have the function of antibacterial, heat resistance and the contact of splendid water
The specific function at angle；The preparation method of the modification polyester materials of the present invention is simple, and modification polyester materials obtained have good
Oleophobic hydrophilicity and good non-skid property, can be used for the preparation of tableware, and thus manufactured tableware is not required to add in cleaning
Cleaning agent, cleaning 1~3min using 80~90 DEG C of hot water can be clean by the wash dishes of this material, and environment friendly is good,
And the tableware surface after cleaning is without droplet wall built-up, the application especially suitable for field of food.
The present invention illustrates detailed process equipment and the technological process of the present invention by above-described embodiment, but the present invention is not
It is confined to above-mentioned detailed process equipment and technological process, that is, does not mean that the present invention has to rely on above-mentioned detailed process equipment and work
Skill flow could be implemented.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to product of the present invention
The equivalence replacement of each raw material and the addition of auxiliary element, the selection of concrete mode etc., all fall within protection scope of the present invention and public affairs
Within the scope of opening.
Claims (10)
1. a kind of modification polyester materials, which is characterized in that by weight, including following raw material：
2. modification polyester materials according to claim 1, which is characterized in that by weight, including following raw material：
3. modification polyester materials according to claim 1 or 2, which is characterized in that the copolyester is PCTG；
Preferably, the gas phase SiO2Grain size be 20~30nm.
4. according to the modification polyester materials described in one of claim 1-3, which is characterized in that the antiseptic is silver-ion antibiotic
Agent；
Preferably, the silver ion antimicrobial agent is silver ion zeolite, silver ion active charcoal, silver ion phosphate, silver ion silicic acid
Salt, silver ion titanate, one kind in silver ion ceramics or at least two mixture.
5. according to the modification polyester materials described in one of claim 1-4, which is characterized in that the antistatic agent is ethoxylation
Aliphatic alkylamine；
Preferably, ethoxylated fat race alkylamine is that ethyoxyl lauric acid amine, didodecyl phosphate and glycerine list are stearic
One kind in acid esters or at least two mixture.
6. according to the modification polyester materials described in one of claim 1-5, which is characterized in that the heat stabilizer is biological basic ring
Aoxidize soybean oil, vitamin C and one kind in vitamin E or at least two mixture.
7. according to the modification polyester materials described in one of claim 1-6, which is characterized in that the anti-impact modifier is propylene
Nitrile-butadiene-styrene copolymer, Methyl Methacrylate-Butadiene-Styrene Copolymer, haloflex, ethylene-vinegar
One kind in sour ethylene copolymer, styrene-butadiene-styrene, synthetic rubber and thermoplastic elastomer (TPE) or at least
Two kinds of mixture.
8. according to the modification polyester materials described in one of claim 1-7, which is characterized in that the antioxidant is β-(3,5- bis-
Tert-butyl-hydroxy phenyl) propionic acid octadecanol acid esters, 2- di-2-ethylhexylphosphine oxides (4- methyl-6-tert-butylphenols) and three (2.4- bis-
Tert-butyl-phenyl) one kind in phosphite ester or at least two mixture.
9. a kind of preparation method of modification polyester materials as described in one of claim 1-8, which is characterized in that including walking as follows
Suddenly：By weight, 60~80 parts of copolyester, 5~15 parts of gas phase SiO are weighed respectively2, 2~5 parts calcium carbonate, 0~
2 parts of antiseptic, 5~15 parts of antistatic agent, 0~1 part of heat stabilizer, 5~10 parts of anti-impact modifier, 0~1 part
Antioxidant and 0~3 part of pigment, dry be placed in batch mixer are stirred, and twin-screw is added in the material mixed
The modification polyester materials are prepared by the strand of extrusion through cooling, granulation in melting extrusion in extruder.
10. preparation method according to claim 9, which is characterized in that the temperature of the drying is 90~100 DEG C, described
The dry time is 3~4h；
Preferably, extrusion temperature of the double screw extruder from spout to extrusion die is respectively：One section 240~280 DEG C,
Two sections 240~280 DEG C, three sections 240~280 DEG C, the rotating speed of 240~280 DEG C of nozzle, 40~65 DEG C of mold, the screw rod is 40
~70r/min.
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