CN105482311A - Food-grade PVC gloves and production process thereof - Google Patents
Food-grade PVC gloves and production process thereof Download PDFInfo
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- CN105482311A CN105482311A CN201511025388.1A CN201511025388A CN105482311A CN 105482311 A CN105482311 A CN 105482311A CN 201511025388 A CN201511025388 A CN 201511025388A CN 105482311 A CN105482311 A CN 105482311A
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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
- C08L27/00—Compositions 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 halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions 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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
- B29L2031/4864—Gloves
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
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- Gloves (AREA)
Abstract
The invention belongs to the field of plastic glove production and particularly relates to food-grade PVC gloves and a production process thereof. PN-860, TXIB, DINCH and DBE are added to the gloves to serve as a compounded plasticizer. The gloves are prepared from, by weight, 100 parts of PVC powder, 25-40 parts of PN-860, 20-30 parts of TXIB, 15-30 parts of DINCH, 10-15 parts of DBE, 0.8-1 part of calcium-zinc stabilizer, 30-40 parts of viscosity reducer and 0.5-0.7 part of waterborne PU adhesive. Adopted PN-860 is excellent in pulling resistance, migration resistance and volatilization resistance, the performance of the PVC products can be improved through compounded use of PN-860, TXIB, DINCH and DBE, the effect of attracting and fixing other plasticizers against migrating to the surfaces of the PVC products is achieved, and the produced gloves pass the Japanese food-grade detection. The production process is simple in method and easy to achieve.
Description
Technical field
The invention belongs to plastic gloves production field, be specifically related to a kind of food-grade PVC glove and production technique thereof.
Background technology
Disposable PVC glove softening agent, mainly adjacent benzene-type products is main for a long time, but along with the application of the adjacent benzene class such as DOP, DINP softening agent more and more extensive, its toxicity also receives the concern of insider and human consumer day by day.The adjacent benzene class such as DOP, DINP softening agent is the organism containing benzene, to the toxic effect of human reproductive system, there are some researches show simultaneously, this compounds has the harm such as carcinogenic, teratogenesis, DOP, DEHP, BBP etc. 6 kinds are classified as the toxic pollutant of priority acccess control by American National Environmental Protection Agency (EPA), forbid applying in the materials such as medical treatment, food, overseas enterprise's numerous and confused response green environmental protection concept, the corresponding laws and regulations of continuous appearance, strengthen the technology barriers to home products.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of food-grade PVC glove, safety and environmental protection, can be used in food service industry; The present invention provides its production technique simultaneously, and method is simple, be easy to realize.
Food-grade PVC glove of the present invention, adds PN-860, TXIB, DINCH and DBE as plasticizer, is specifically made up of the raw material of following parts by weight:
Described food-grade PVC glove, be preferably made up of the raw material of following parts by weight:
This product will do full migration and specific transfer detects, so select the environment-friendly plasticizer with the well resistance to precipitation again of PVC consistency when research and development.The softening agent of resistance to migration is polarity polyphosphazene polymer ester polymer, has good consistency with PVC, adds in PVC formula, can make PVC plastic time advance.The softening agent of resistance to migration is used for, in PVC product, playing and attracting and fix other softening agent not to the effect of the surface transport of PVC product, therefore have the title of permanent plasticizer.The softening agent of resistance to migration can be used in all kinds of PVC product, is the indispensable a kind of processing aid in PVC expensive goods.Polyester plasticizer is selected through test of many times.
Polyester plasticizer is as important series product of softening agent, and have resistance to extraction, resistance to migration, volatility resistance are splendid, the feature that oil resistant, resistance to elevated temperatures are preeminent, have the title of permanent softening agent.At present, polyester plasticizer, just towards the future development of high molecular, can be used in a large amount of high molecular products such as acrylic rubber goods, epichlorohydrin rubber goods, exterior-coated nitrile rubber article, fourth rubber rubber and PVC.
Described plasticizer P N-860 is adipate polyester.
TXIB (2,2,4-trimethylammonium-1, the two isobutyrate of 3-pentanediol), Yi Shiman TXIB environment-friendly plasticizer, being a kind of elementary softening agent, is non-neighboring benzene class environment-friendly plasticizer, is the multi-purpose environmental protection properties-correcting agent for polyvinyl chloride (PVC), urethane (PU) and other resin.TXIB environment-friendly plasticizer is compatible with all general primary and secondary softening agent, is widely used in PVC plastic colloidal sol and organosol.Its stable chemical nature, is not easily mixed into bubble in the solution, can keep the smooth and attractive in appearance of product, is a kind ofly to have plastification and the viscosity-depression agent compared with low volatility, can give the good winter hardiness of goods and water tolerance.
DBE, environment protection type high-boiling-point solvent MDBETM (MIXEDDIBASICESTERS) are divalent ester mixtures, and its main component is dimethyl succinate CH
3oOC (CH
2)
2cOOCH
3, Methyl glutarate CH
3oOC (CH
2)
3cOOCH
3with dimethyl adipate CH
3oOC (CH
2)
4cOOCH
3.It is nontoxic, colourless transparent liquid, slightly aromatising flavour, is the biodegradable environment protection type high-boiling-point solvent of a kind of energy.There is following characteristic: (1) low toxicity, low taste, water content are low, use safety, in regulation, do not belong to hazardous substances.(2) fabulous solvency power, good with intermiscibilities such as polyurethane resin, acrylic resin, vibrin, Synolac, epoxy resin.(3) flatness, adherence can be increased, reduce the defects such as pin hole, flake, crater.(4) boiling point is high, and boiling range is long, can help the rate of volatilization regulating whole solvent systems.
Described DINCH is hexanaphthene 1,2-dioctyl phthalate diisononyl esters.
The production technique of described food-grade PVC glove, comprises the steps:
(1) Primary batching system: stir after DINCH, TXIB and DBE mixing, then drop into PVC powder, after throwing PVC powder, adds PN-860, calcium zinc stabilizer and part viscosity-depression agent and stirs, obtain Primary batching system;
(2) standing and defoaming: by Primary batching system standing and defoaming;
(3) second batch: add remaining viscosity-depression agent in the material that step (2) prepares, stir;
(4) single-steeping: second batch step (3) prepared is sent in hopper after filtering, and floods after intensification to fingerprint;
(5) once plastify: the fingerprint after dipping enters oven for baking;
(6) double-steeping: prepare PU material, send into PU hopper after filtering, once will plastify after intensification in rear fingerprint feeding PU hopper and flood;
(7) secondary plasticizing: the fingerprint after double-steeping is entered oven for baking;
(8) fingerprint after secondary plasticizing is obtained described food-grade PVC glove after volume lip, the demoulding, inspection, sorting.
Wherein:
In step (1), the consumption of viscosity-depression agent is 6 ~ 10 parts.
In step (4), before fingerprint is flooded, fingerprint is preheated to 70 ~ 80 DEG C.
In step (4), described dipping temperature is 50 ~ 56 DEG C.
In step (5), storing temperature is 170 ~ 220 DEG C, and baking time is 5 ~ 8min.
In step (6), preparation PU material method is as follows: added in softening water by water-based PU glue and stir, and then adds ammoniacal liquor and regulates pH to 8.5 ~ 9.5.
In step (6), described dipping temperature is 55 ~ 65 DEG C.
In step (7), storing temperature is 130 ~ 170 DEG C, and baking time is 2 ~ 4min.
The production technique of described food-grade PVC glove, preferably comprises the steps:
(1) Primary batching system: add DINCH, TXIB and DBE in a defective material stirring tank, open and stir, churning time is 15 ~ 30min, mixing speed 900 ~ 1000r/min; After stirring completes, throw PVC powder, throwing PVC powder speed is 2.5 ~ 3.4t/h, and mixing speed is 1350 ~ 1500r/min, and eccentric mixing speed is 1500r/min; After throwing PVC powder, add PN-860, calcium zinc stabilizer and 6 ~ 10 portions of viscosity-depression agents and stir, obtain Primary batching system, churning time is 4.5 ~ 5h, and mixing speed is 1500r/min;
(2) standing and defoaming: after Primary batching system completes, close drain hole valve and the vent valve of a defective material storage tank, open vacuum line valve and feeding line valve, open vacuum pump simultaneously, open a defective material stirring tank valve after vacuum pump running, by negative pressure, the Primary batching system be stirred is evacuated in a defective material storage tank from a defective material stirring tank; First close vacuum line valve and feeding line valve, then close vacuum pump valve and vacuum-pump power supply switch, make Primary batching system in a defective material storage tank, leave standstill more than 24 hours, abundant disintegration, control vacuum tightness is 0.098MPa;
(3) second batch: material after standing and defoaming is put in secondary material stirring tank, material was opened after not having agitating vane and is stirred, and added remaining viscosity-depression agent and stirred, be evacuated in secondary material storage tank for subsequent use by vacuum pump;
(4) single-steeping: by second batch after at least three layer of 180 order filter screen filtration, delivers to hopper by secondary material storage tank by dedicated pipeline, and fingerprint enters hopper dipping along production line track, and then from hopper, upper lift-off is opened; Keep material level in hopper to stablize in production process, in hopper, second batch temperature controls at 50 ~ 56 DEG C, before dipping, fingerprint is preheated to 70 ~ 80 DEG C;
(5) once plastify: fingerprint enters oven for baking after flooding, hang down and dripping; Storing temperature is 170 ~ 220 DEG C, and baking time is 5 ~ 8min; By oil circuit valve regulated oil temperature everywhere everywhere, in baking box, flue gas extracts baking box out by outer fan;
(6) double-steeping: water-based PU glue is added in softening water and stirs, after stirring 1.5h, add ammoniacal liquor and regulate pH to 8.5 ~ 9.5, by sending into PU hopper after 180 order filter screen filtration, fingerprint enters in PU hopper along production line track and floods PU, and then from hopper, upper lift-off is opened; During dipping, in PU hopper, feed temperature is 55 ~ 65 DEG C;
(7) secondary plasticizing: after double-steeping, fingerprint enters oven for baking; Storing temperature is 130 ~ 170 DEG C, and baking time is 2 ~ 4min;
(8) roll up lip: after fingerprint leaves secondary plasticizing operation, naturally cooling in atmosphere, after arriving volume lip platform, carry out volume lip operation; Volume lip is that fingerprint rotates forward at a high speed under volume lip mesa base spring wheel with the drive of volume lip belt, gloves on fingerprint in rubber rollers high speed contact running above volume lip platform, the process rolled, by regulating the volume lip roller of volume lip platform can regulate gloves thickness, volume lip platform place die temperance control is at 100 ~ 120 DEG C;
(9) demoulding: gloves continue naturally cooling after pulleying lip operation, running is to pre-de-place, after the hairbrush that the pre-depilation brush in de-place runs up in advance touches glove bead, the glove bead touched can be rolled out " shirt rim ", later stage stripping process is facilitated to carry out, gloves carry out automatic demoulding after entering stripper, above mechanical manipulator pulldown clamping fingerprint, high-pressure blast by " shirt rim " blowback in pulldown, gloves depart from the processes such as gloves along track by pulldown, realize the half de-state of gloves on fingerprint, facilitate the sorting in later stage and count;
(10) check: inspection refers to procedure inspection, taken a sample to check to the gloves produced by quality management and control portion, the scope of examination comprises glove length, three dot thickness (wrist, the centre of the palm and finger tip), uniformity coefficient, gloves grammes per square metre, gloves pulling force, tensile strength, elongation, hangs water test etc.;
(11) sort: the defective sorting in gloves in " half is de-" state, by sorting personnel on-line sorting, is extracted out, put into the defective container of specifying by gloves after stripper;
(12) pack: after sorting, half gloves taken off are complete through automatic counting apparatus automatic capturing, automatic counting, carry out mounted box by artificial or automatic box packing machine; By sacker, the inner box of dress gloves is loaded in the outer container of specifying, paste hand stowage after code, adhesive tape for sealing boxes through outer container; Outer container after piling is again by packer's plastic packaging band on outer container, and hand stowage, pastes this buttress release, is transported to packaging designated area and keeps in;
(13) put in storage: the sampling Detection of by OQC room, bagging area all batches of gloves being carried out to regulation ratio, detect qualified after, release is affixed one's seal, is transported to storage warehouse through fork truck, complete warehouse-in operation.
In sum, beneficial effect of the present invention is as follows:
(1) the present invention adopts PN-860, TXIB, DINCH and DBE as plasticizer, and TXIB, DINCH viscosity is lower, can reduce the viscosity of batching system, reduces the use of viscosity-depression agent; The resistance to extraction of PN-860, resistance to migration, volatility resistance are splendid, the performance of PVC product can be improved with the composite use of TXIB, DINCH and DBE, play and attract and fix other softening agent not to the effect of the surface transport of PVC product, produce the gloves obtained, detected (Food Contact detects and 6P detects) by japanese food level.
(2) the present invention is when Primary batching system, stir after DINCH, TXIB and DBE mixing, then PVC powder is dropped into, after throwing PVC powder, add PN-860, calcium zinc stabilizer and part viscosity-depression agent and stir, obtain Primary batching system, otherwise, PN-860 can absorb other softening agent before PVC, and cause PVC plasticization incomplete, the processibility of product and the performance of PVC product all can decline.
(3) production technique of the present invention, method is simple, be easy to realize.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
The all raw materials used in embodiment, except specified otherwise, are commercial.
Embodiment 1
Food-grade PVC glove described in the present embodiment, be made up of the raw material of following parts by weight:
Be made up of the raw material of following parts by weight:
Its production technique comprises the steps:
(1) Primary batching system: add DINCH, TXIB and DBE in a defective material stirring tank, open and stir, churning time is 15min, mixing speed 900r/min; After stirring completes, throw PVC powder, throwing PVC powder speed is 2.5t/h, and mixing speed is 1350r/min, and eccentric mixing speed is 1500r/min; After throwing PVC powder, add PN-860, calcium zinc stabilizer and 6 portions of viscosity-depression agents and stir, obtain Primary batching system, churning time is 4.5h, and mixing speed is 1500r/min;
(2) standing and defoaming: after Primary batching system completes, close drain hole valve and the vent valve of a defective material storage tank, open vacuum line valve and feeding line valve, open vacuum pump simultaneously, open a defective material stirring tank valve after vacuum pump running, by negative pressure, the Primary batching system be stirred is evacuated in a defective material storage tank from a defective material stirring tank; First close vacuum line valve and feeding line valve, then close vacuum pump valve and vacuum-pump power supply switch, make Primary batching system in a defective material storage tank, leave standstill 24 hours, abundant disintegration, control vacuum tightness is 0.098MPa;
(3) second batch: material after standing and defoaming is put in secondary material stirring tank, material was opened after not having agitating vane and is stirred, and added remaining viscosity-depression agent and stirred, be evacuated in secondary material storage tank for subsequent use by vacuum pump;
(4) single-steeping: by second batch after three layer of 180 order filter screen filtration, delivers to hopper by secondary material storage tank by dedicated pipeline, and fingerprint enters hopper dipping along production line track, and then from hopper, upper lift-off is opened; Keep material level in hopper to stablize in production process, in hopper, second batch temperature controls at 50 DEG C, before dipping, fingerprint is preheated to 70 DEG C;
(5) once plastify: fingerprint enters oven for baking after flooding, hang down and dripping; Storing temperature is 170 DEG C, and baking time is 8min; By oil circuit valve regulated oil temperature everywhere everywhere, in baking box, flue gas extracts baking box out by outer fan;
(6) double-steeping: water-based PU glue is added in softening water and stirs, after stirring 1.5h, add ammoniacal liquor and regulate pH to 8.5, by sending into PU hopper after 180 order filter screen filtration, fingerprint enters in PU hopper along production line track and floods PU, and then from hopper, upper lift-off is opened; During dipping, in PU hopper, feed temperature is 55 DEG C;
(7) secondary plasticizing: after double-steeping, fingerprint enters oven for baking; Storing temperature is 130 DEG C, and baking time is 4min;
(8) roll up lip: after fingerprint leaves secondary plasticizing operation, naturally cooling in atmosphere, after arriving volume lip platform, carry out volume lip operation; Volume lip is that fingerprint rotates forward at a high speed under volume lip mesa base spring wheel with the drive of volume lip belt, gloves on fingerprint in rubber rollers high speed contact running above volume lip platform, the process rolled, by regulating the volume lip roller of volume lip platform can regulate gloves thickness, volume lip platform place die temperance control is at 100 DEG C;
(9) demoulding: gloves continue naturally cooling after pulleying lip operation, running is to pre-de-place, after the hairbrush that the pre-depilation brush in de-place runs up in advance touches glove bead, the glove bead touched can be rolled out " shirt rim ", later stage stripping process is facilitated to carry out, gloves carry out automatic demoulding after entering stripper, above mechanical manipulator pulldown clamping fingerprint, high-pressure blast by " shirt rim " blowback in pulldown, gloves depart from the processes such as gloves along track by pulldown, realize the half de-state of gloves on fingerprint, facilitate the sorting in later stage and count;
(10) check: inspection refers to procedure inspection, taken a sample to check to the gloves produced by quality management and control portion, the scope of examination comprises glove length, three dot thickness (wrist, the centre of the palm and finger tip), uniformity coefficient, gloves grammes per square metre, gloves pulling force, tensile strength, elongation, hangs water test etc.;
(11) sort: the defective sorting in gloves in " half is de-" state, by sorting personnel on-line sorting, is extracted out, put into the defective container of specifying by gloves after stripper;
(12) pack: after sorting, half gloves taken off are complete through automatic counting apparatus automatic capturing, automatic counting, carry out mounted box by artificial or automatic box packing machine; By sacker, the inner box of dress gloves is loaded in the outer container of specifying, paste hand stowage after code, adhesive tape for sealing boxes through outer container; Outer container after piling is again by packer's plastic packaging band on outer container, and hand stowage, pastes this buttress release, is transported to packaging designated area and keeps in;
(13) put in storage: the sampling Detection of by OQC room, bagging area all batches of gloves being carried out to regulation ratio, detect qualified after, release is affixed one's seal, is transported to storage warehouse through fork truck, complete warehouse-in operation.
The gloves obtained to embodiment 1 carry out performance test, and test result is in table 1.3 samples have been extracted, so test result is three groups during performance test.
Normal heptane residue on evaporation test result: 136mg/L (< 150mg/L).
The performance test results of the gloves that table 1 embodiment 1 is obtained
Embodiment 2
Food-grade PVC glove described in the present embodiment, be made up of the raw material of following parts by weight:
Its production technique comprises the steps:
(1) Primary batching system: add DINCH, TXIB and DBE in a defective material stirring tank, open and stir, churning time is 22min, mixing speed 950r/min; After stirring completes, throw PVC powder, throwing PVC powder speed is 3t/h, and mixing speed is 1420r/min, and eccentric mixing speed is 1500r/min; After throwing PVC powder, add PN-860, calcium zinc stabilizer and 8 portions of viscosity-depression agents and stir, obtain Primary batching system, churning time is 4.8h, and mixing speed is 1500r/min;
(2) standing and defoaming: after Primary batching system completes, close drain hole valve and the vent valve of a defective material storage tank, open vacuum line valve and feeding line valve, open vacuum pump simultaneously, open a defective material stirring tank valve after vacuum pump running, by negative pressure, the Primary batching system be stirred is evacuated in a defective material storage tank from a defective material stirring tank; First close vacuum line valve and feeding line valve, then close vacuum pump valve and vacuum-pump power supply switch, make Primary batching system in a defective material storage tank, leave standstill 25 hours, abundant disintegration, control vacuum tightness is 0.098MPa;
(3) second batch: material after standing and defoaming is put in secondary material stirring tank, material was opened after not having agitating vane and is stirred, and added remaining viscosity-depression agent and stirred, be evacuated in secondary material storage tank for subsequent use by vacuum pump;
(4) single-steeping: by second batch after four layer of 180 order filter screen filtration, delivers to hopper by secondary material storage tank by dedicated pipeline, and fingerprint enters hopper dipping along production line track, and then from hopper, upper lift-off is opened; Keep material level in hopper to stablize in production process, in hopper, second batch temperature controls at 53 DEG C, before dipping, fingerprint is preheated to 75 DEG C;
(5) once plastify: fingerprint enters oven for baking after flooding, hang down and dripping; Storing temperature is 190 DEG C, and baking time is 6.5min; By oil circuit valve regulated oil temperature everywhere everywhere, in baking box, flue gas extracts baking box out by outer fan;
(6) double-steeping: water-based PU glue is added in softening water and stirs, after stirring 1.5h, add ammoniacal liquor and regulate pH to 9, by sending into PU hopper after 180 order filter screen filtration, fingerprint enters in PU hopper along production line track and floods PU, and then from hopper, upper lift-off is opened; During dipping, in PU hopper, feed temperature is 60 DEG C;
(7) secondary plasticizing: after double-steeping, fingerprint enters oven for baking; Storing temperature is 150 DEG C, and baking time is 3min;
(8) roll up lip: after fingerprint leaves secondary plasticizing operation, naturally cooling in atmosphere, after arriving volume lip platform, carry out volume lip operation; Volume lip is that fingerprint rotates forward at a high speed under volume lip mesa base spring wheel with the drive of volume lip belt, gloves on fingerprint in rubber rollers high speed contact running above volume lip platform, the process rolled, by regulating the volume lip roller of volume lip platform can regulate gloves thickness, volume lip platform place die temperance control is at 110 DEG C;
(9) demoulding: gloves continue naturally cooling after pulleying lip operation, running is to pre-de-place, after the hairbrush that the pre-depilation brush in de-place runs up in advance touches glove bead, the glove bead touched can be rolled out " shirt rim ", later stage stripping process is facilitated to carry out, gloves carry out automatic demoulding after entering stripper, above mechanical manipulator pulldown clamping fingerprint, high-pressure blast by " shirt rim " blowback in pulldown, gloves depart from the processes such as gloves along track by pulldown, realize the half de-state of gloves on fingerprint, facilitate the sorting in later stage and count;
(10) check: inspection refers to procedure inspection, taken a sample to check to the gloves produced by quality management and control portion, the scope of examination comprises glove length, three dot thickness (wrist, the centre of the palm and finger tip), uniformity coefficient, gloves grammes per square metre, gloves pulling force, tensile strength, elongation, hangs water test etc.;
(11) sort: the defective sorting in gloves in " half is de-" state, by sorting personnel on-line sorting, is extracted out, put into the defective container of specifying by gloves after stripper;
(12) pack: after sorting, half gloves taken off are complete through automatic counting apparatus automatic capturing, automatic counting, carry out mounted box by artificial or automatic box packing machine; By sacker, the inner box of dress gloves is loaded in the outer container of specifying, paste hand stowage after code, adhesive tape for sealing boxes through outer container; Outer container after piling is again by packer's plastic packaging band on outer container, and hand stowage, pastes this buttress release, is transported to packaging designated area and keeps in;
(13) put in storage: the sampling Detection of by OQC room, bagging area all batches of gloves being carried out to regulation ratio, detect qualified after, release is affixed one's seal, is transported to storage warehouse through fork truck, complete warehouse-in operation.
The gloves obtained to embodiment 2 carry out performance test, and test result is in table 2.3 samples have been extracted, so test result is three groups during performance test.
Normal heptane residue on evaporation test result: 98mg/L (< 150mg/L).
The performance test results of the gloves that table 2 embodiment 2 is obtained
Embodiment 3
Food-grade PVC glove described in the present embodiment, be made up of the raw material of following parts by weight:
Its production technique comprises the steps:
(1) Primary batching system: add DINCH, TXIB and DBE in a defective material stirring tank, open and stir, churning time is 30min, mixing speed 1000r/min; After stirring completes, throw PVC powder, throwing PVC powder speed is 3.4t/h, and mixing speed is 1500r/min, and eccentric mixing speed is 1500r/min; After throwing PVC powder, add PN-860, calcium zinc stabilizer and 10 portions of viscosity-depression agents and stir, obtain Primary batching system, churning time is 5h, and mixing speed is 1500r/min;
(2) standing and defoaming: after Primary batching system completes, close drain hole valve and the vent valve of a defective material storage tank, open vacuum line valve and feeding line valve, open vacuum pump simultaneously, open a defective material stirring tank valve after vacuum pump running, by negative pressure, the Primary batching system be stirred is evacuated in a defective material storage tank from a defective material stirring tank; First close vacuum line valve and feeding line valve, then close vacuum pump valve and vacuum-pump power supply switch, make Primary batching system in a defective material storage tank, leave standstill 26 hours, abundant disintegration, control vacuum tightness is 0.098MPa;
(3) second batch: material after standing and defoaming is put in secondary material stirring tank, material was opened after not having agitating vane and is stirred, and added remaining viscosity-depression agent and stirred, be evacuated in secondary material storage tank for subsequent use by vacuum pump;
(4) single-steeping: by second batch after five layer of 180 order filter screen filtration, delivers to hopper by secondary material storage tank by dedicated pipeline, and fingerprint enters hopper dipping along production line track, and then from hopper, upper lift-off is opened; Keep material level in hopper to stablize in production process, in hopper, second batch temperature controls at 56 DEG C, before dipping, fingerprint is preheated to 80 DEG C;
(5) once plastify: fingerprint enters oven for baking after flooding, hang down and dripping; Storing temperature is 220 DEG C, and baking time is 5min; By oil circuit valve regulated oil temperature everywhere everywhere, in baking box, flue gas extracts baking box out by outer fan;
(6) double-steeping: water-based PU glue is added in softening water and stirs, after stirring 1.5h, add ammoniacal liquor and regulate pH to 9.5, by sending into PU hopper after 180 order filter screen filtration, fingerprint enters in PU hopper along production line track and floods PU, and then from hopper, upper lift-off is opened; During dipping, in PU hopper, feed temperature is 65 DEG C;
(7) secondary plasticizing: after double-steeping, fingerprint enters oven for baking; Storing temperature is 170 DEG C, and baking time is 2min;
(8) roll up lip: after fingerprint leaves secondary plasticizing operation, naturally cooling in atmosphere, after arriving volume lip platform, carry out volume lip operation; Volume lip is that fingerprint rotates forward at a high speed under volume lip mesa base spring wheel with the drive of volume lip belt, gloves on fingerprint in rubber rollers high speed contact running above volume lip platform, the process rolled, by regulating the volume lip roller of volume lip platform can regulate gloves thickness, volume lip platform place die temperance control is at 120 DEG C;
(9) demoulding: gloves continue naturally cooling after pulleying lip operation, running is to pre-de-place, after the hairbrush that the pre-depilation brush in de-place runs up in advance touches glove bead, the glove bead touched can be rolled out " shirt rim ", later stage stripping process is facilitated to carry out, gloves carry out automatic demoulding after entering stripper, above mechanical manipulator pulldown clamping fingerprint, high-pressure blast by " shirt rim " blowback in pulldown, gloves depart from the processes such as gloves along track by pulldown, realize the half de-state of gloves on fingerprint, facilitate the sorting in later stage and count;
(10) check: inspection refers to procedure inspection, taken a sample to check to the gloves produced by quality management and control portion, the scope of examination comprises glove length, three dot thickness (wrist, the centre of the palm and finger tip), uniformity coefficient, gloves grammes per square metre, gloves pulling force, tensile strength, elongation, hangs water test etc.;
(11) sort: the defective sorting in gloves in " half is de-" state, by sorting personnel on-line sorting, is extracted out, put into the defective container of specifying by gloves after stripper;
(12) pack: after sorting, half gloves taken off are complete through automatic counting apparatus automatic capturing, automatic counting, carry out mounted box by artificial or automatic box packing machine; By sacker, the inner box of dress gloves is loaded in the outer container of specifying, paste hand stowage after code, adhesive tape for sealing boxes through outer container; Outer container after piling is again by packer's plastic packaging band on outer container, and hand stowage, pastes this buttress release, is transported to packaging designated area and keeps in;
(13) put in storage: the sampling Detection of by OQC room, bagging area all batches of gloves being carried out to regulation ratio, detect qualified after, release is affixed one's seal, is transported to storage warehouse through fork truck, complete warehouse-in operation.
The gloves obtained to embodiment 3 carry out performance test, and test result is in table 3.3 samples have been extracted, so test result is three groups during performance test.
Normal heptane residue on evaporation test result: 69mg/L (< 150mg/L).
The performance test results of the gloves that table 3 embodiment 3 is obtained
Comparative example 1
Described gloves are made up of the raw material of following parts by weight:
Be made up of the raw material of following parts by weight:
Its production technique comprises the steps:
(1) Primary batching system: add DINCH and TXIB in a defective material stirring tank, open and stir, churning time is 15min, mixing speed 900r/min; After stirring completes, throw PVC powder, throwing PVC powder speed is 2.5t/h, and mixing speed is 1350r/min, and eccentric mixing speed is 1500r/min; After throwing PVC powder, add PN-860, calcium zinc stabilizer and 6 portions of viscosity-depression agents and stir, obtain Primary batching system, churning time is 4.5h, and mixing speed is 1500r/min;
All the other steps are with embodiment 1.
The gloves obtained to comparative example 1 carry out performance test, and test result is in table 4.3 samples have been extracted, so test result is three groups during performance test.
Normal heptane residue on evaporation test result: 334mg/L (< 150mg/L, defective).
The performance test results of the gloves that table 4 comparative example 1 is obtained
Claims (10)
1. a food-grade PVC glove, is characterized in that: add PN-860, TXIB, DINCH and DBE as plasticizer, is specifically made up of the raw material of following parts by weight:
2. food-grade PVC glove according to claim 1, is characterized in that: be made up of the raw material of following parts by weight:
3. a production technique for the food-grade PVC glove described in claim 1 or 2, is characterized in that: comprise the steps:
(1) Primary batching system: stir after DINCH, TXIB and DBE mixing, then drop into PVC powder, after throwing PVC powder, adds PN-860, calcium zinc stabilizer and part viscosity-depression agent and stirs, obtain Primary batching system;
(2) standing and defoaming: by Primary batching system standing and defoaming;
(3) second batch: add remaining viscosity-depression agent in the material that step (2) prepares, stir;
(4) single-steeping: second batch step (3) prepared is sent in hopper after filtering, and floods after intensification to fingerprint;
(5) once plastify: the fingerprint after dipping enters oven for baking;
(6) double-steeping: prepare PU material, send into PU hopper after filtering, once will plastify after intensification in rear fingerprint feeding PU hopper and flood;
(7) secondary plasticizing: the fingerprint after double-steeping is entered oven for baking;
(8) fingerprint after secondary plasticizing is obtained described food-grade PVC glove after volume lip, the demoulding, inspection, sorting.
4. the production technique of food-grade PVC glove according to claim 3, is characterized in that: in step (1), and the consumption of viscosity-depression agent is 6 ~ 10 parts.
5. the production technique of food-grade PVC glove according to claim 3, is characterized in that: in step (4), before flooding, fingerprint is preheated to 70 ~ 80 DEG C to fingerprint.
6. the production technique of food-grade PVC glove according to claim 3, is characterized in that: in step (4), and described dipping temperature is 50 ~ 56 DEG C.
7. the production technique of food-grade PVC glove according to claim 3, is characterized in that: in step (5), and storing temperature is 170 ~ 220 DEG C, and baking time is 5 ~ 8min.
8. the production technique of food-grade PVC glove according to claim 3, is characterized in that: in step (6), and preparation PU material method is as follows: added in softening water by water-based PU glue and stir, and then adds ammoniacal liquor and regulates pH to 8.5 ~ 9.5.
9. the production technique of food-grade PVC glove according to claim 3, is characterized in that: in step (6), and described dipping temperature is 55 ~ 65 DEG C.
10. the production technique of food-grade PVC glove according to claim 3, is characterized in that: in step (7), and storing temperature is 130 ~ 170 DEG C, and baking time is 2 ~ 4min.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106666877A (en) * | 2016-12-21 | 2017-05-17 | 山东蓝帆新材料有限公司 | Disposable anti-slip PVC glove with internal pitting surface and production technology of glove |
| CN106832662A (en) * | 2017-01-14 | 2017-06-13 | 常州大学 | A kind of low VOC environment-friendly type PVCs gloves and preparation method thereof |
| CN107618134A (en) * | 2016-07-15 | 2018-01-23 | 深圳市欧科鑫节能科技有限公司 | A kind of production technology of PVC glove |
| CN108047606A (en) * | 2017-12-27 | 2018-05-18 | 蓝帆医疗股份有限公司 | A kind of insulation PVC glove and preparation method thereof |
| CN108164883A (en) * | 2018-02-01 | 2018-06-15 | 江苏华源医疗科技股份有限公司 | A kind of uvioresistant PVC glove and its manufacturing method |
| CN108948403A (en) * | 2018-05-02 | 2018-12-07 | 广东远华新材料实业有限公司 | A kind of polyvinyl-chloride foam material and preparation method thereof |
| CN109401122A (en) * | 2018-10-09 | 2019-03-01 | 揭阳市腾晟科技咨询有限公司 | A kind of food-grade recyclable plastics material |
| CN110885519A (en) * | 2019-12-20 | 2020-03-17 | 上海深化实业有限公司 | Environment-friendly modified plasticizer and preparation method thereof |
| CN111825929A (en) * | 2020-07-08 | 2020-10-27 | 江西中红普林医疗制品有限公司 | Food-grade PVC gloves |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126271A (en) * | 2011-01-12 | 2011-07-20 | 江苏尤佳手套有限公司 | PVC (Polyvinyl Chloride)/NBR (Nitrile Butadiene Rubber) composite gloves |
| CN102875921A (en) * | 2012-10-12 | 2013-01-16 | 南京工业大学 | Food grade plasticizing polrvinyl chloride (PVC) glove and preparation method thereof |
| CN103627110A (en) * | 2012-08-22 | 2014-03-12 | 江苏华源手套有限公司 | Manufacturing method for food-grade PVC glove |
-
2015
- 2015-12-30 CN CN201511025388.1A patent/CN105482311B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126271A (en) * | 2011-01-12 | 2011-07-20 | 江苏尤佳手套有限公司 | PVC (Polyvinyl Chloride)/NBR (Nitrile Butadiene Rubber) composite gloves |
| CN103627110A (en) * | 2012-08-22 | 2014-03-12 | 江苏华源手套有限公司 | Manufacturing method for food-grade PVC glove |
| CN102875921A (en) * | 2012-10-12 | 2013-01-16 | 南京工业大学 | Food grade plasticizing polrvinyl chloride (PVC) glove and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘方方等: "PVC手套用水性聚氨酯涂饰剂", 《聚氨酯工业》 * |
| 黎兵等: "PVC手套涂层用水性聚氨酯的研制", 《聚氨酯工业》 * |
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| CN106666877B (en) * | 2016-12-21 | 2018-07-31 | 山东蓝帆新材料有限公司 | It is a kind of it is disposable in the anti-skidding PVC glove of fiber crops and its production technology |
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| CN106832662A (en) * | 2017-01-14 | 2017-06-13 | 常州大学 | A kind of low VOC environment-friendly type PVCs gloves and preparation method thereof |
| CN106832662B (en) * | 2017-01-14 | 2018-12-28 | 常州大学 | A kind of low VOC environment-friendly type PVC gloves and preparation method thereof |
| CN108047606B (en) * | 2017-12-27 | 2020-04-17 | 蓝帆医疗股份有限公司 | Insulating PVC (polyvinyl chloride) glove and preparation method thereof |
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| CN110885519A (en) * | 2019-12-20 | 2020-03-17 | 上海深化实业有限公司 | Environment-friendly modified plasticizer and preparation method thereof |
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Effective date of registration: 20161128 Address after: Linzi District 255400 of Shandong province Zibo City Road No. 21 Applicant after: Lanfan Medical Co., Ltd. Applicant after: Shandong Lanfan New Material Co., Ltd. Address before: Linzi District 255400 of Shandong province Zibo City Road No. 21 Applicant before: Lanfan Medical Co., Ltd. |
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