A kind of nutrition skin-protection skin moisten non-powder PVC gloves and preparation method thereof
Technical field
The invention belongs to chemical field, particularly a kind of nutrition skin-protection skin moisten non-powder PVC gloves and preparation method thereof.
Background technology
The research of PVC hot property was as far back as 1838, and people under the effect of vinyl chloride at light, can form a kind of unformed powdery condensate at laboratory observation.Because not happy and harmonious after PVC " fusing point " promptly heats near decomposition temperature, processed and applied is met difficulty with regard to decomposing earlier and emitting hydrogen chloride.Up to the thirties in 20th century, grasped the thermoplastification technology that adds stabilizing agent after, in industry, just obtained to use and the meaning of exploitation.But can cause certain injury to people's skin with its product of making.Along with the development of society, the raising of people's living standard, people look forward to that a kind of better more healthy product requirement is incomparably strong.
This requirement of people has been satisfied in the appearance of nutrition skin-protection skin moisten non-powder PVC gloves; It is mainly used in hairdressing, meticulous installation, the examination and test of products, jewelry polishing, handles paint, ink and dyestuff, also can handle glassware, porcelain or precision metallic, sprays paint, coating and cleaning, cementing and adhesive, equipment cleaning; The most important thing is to be used for food processing, catering, food service industry.The nutrition skin-protection skin moisten has powder PVC gloves not only health, convenience, environmental protection, more importantly is that it can not damage people's skin, and also has the effect of good nutrition skin-protection skin moisten.And antistatic is arranged, and heat endurance is strong, characteristics safe in utilization.
Though the nutrition skin-protection skin moisten has powder PVC gloves to possess above these functions and characteristics; But there is remaining powder to be bonded on hand after in use having most people to feel to use up gloves; Both also health not really of inconvenience; How powder-free gloves is had the function of powder nutrition skin-protection skin moisten gloves, just become present important topic.
Summary of the invention
The present invention has remedied existing PVC gloves and the deficiency that the powder PVC gloves theory and technology is arranged; Filled up the blank of no powder nutrition skin-protection gloves, a kind of nutrition skin-protection skin moisten non-powder PVC gloves that integrates health, environmental protection, safety, nutrition skin-protection skin moisten and preparation method thereof is provided.
The present invention realizes through following technical scheme:
The preparation method of nutrition skin-protection skin moisten non-powder PVC gloves of the present invention; May further comprise the steps: once prepare burden, filtration, vacuum defoamation, dipping, hang down drip, plasticizing, cooling, second batch, double-steeping, oven dry, cooling volume lip, the demoulding; It is characterized in that: on the basis of conventional P VC gloving, prescription is innovated; The technical indicator parameter is perfect in addition; Once adding collagen, vitamin E in the batching, add the CO of dandelion, witch hazel, aloe, peach blossom, pear flower in the second batch process
2Concentrated composition and Margarita extract behind the supercritical extract form through dipping, plasticizing, have the function of nutrition skin-protection skin moisten preferably.
The main component of nutrition skin-protection skin moisten non-powder PVC gloves is: PVC stick with paste resin, plasticizer (DINP), the CO of thinner (solvent naphtha), heat stabilizer, collagen, vitamin E and pearl, dandelion, witch hazel, aloe, peach blossom, pear flower
2Concentrated composition behind the supercritical extract.
The preparation method of nutrition skin-protection skin moisten non-powder PVC gloves of the present invention, concrete steps are following:
(1) once prepares burden: PVC is stuck with paste resin, plasticizer, thinner, heat stabilizer, collagen, vitamin E, mix into emulsion;
Second batch: the extract of peach blossom, pear flower is added in the pure water, add dandelion, witch hazel extract and aloe condensed juice then, add the pearl extract again and fully stir, add PU at last, mix into the secondary feed liquid;
(2) filter: emulsion that stirs and secondary feed liquid are filtered through 200 mesh sieves respectively;
(3) vacuum defoamation: heat 40-45 ℃ to emulsion and secondary feed liquid respectively, under the vacuum of 500-600 millimetres of mercury, carried out deaeration 40-50 minute;
(4) dipping: with pump emulsion is sent in the dipping tank in the production line, the fingerprint on the streamline gets into the dipping tank sizing automatically;
(5) vertical dripping: the fingerprint of adhesive emulsion comes out from dipping tank successively, constantly rotates in advancing, so that the lip-deep emulsion of fingerprint is even, and vertical the dripping down of unnecessary emulsion is returned in the dipping tank through feeder;
(6) plasticizing: the fingerprint drip off after the unnecessary emulsion that hangs down moves into baking oven with production line, and oven temperature is controlled at 230-250 degree centigrade, the emulsion slaking moulding that hand is touched;
(7) cooling: the fingerprint that has the slaking shaped article that comes out from baking oven cools off through nature;
(8) double-steeping: the fingerprint that has the good shaped article of cooling gets into the dipping tank sizing that has the secondary feed liquid automatically, hangs down then and drips;
(9) oven dry: the fingerprint that has the shaped article of secondary feed liquid moves into oven for drying, and oven temperature is controlled at 230-250 degree centigrade;
(10) cooling volume lip: the fingerprint process of drying product that has of coming out from baking oven naturally cools to 70 ℃-85 ℃, rolls up lip;
(11) demoulding: artificial gloves are unloaded from fingerprint is finished product.
Preferred version is following:
In the step (1), mixing time is 2.5 hours winters, 1.5 hours summers, 30 ℃-55 ℃ of whipping temp summers, 20 ℃-50 ℃ of all the other seasons.
In the step (1), once in the batching, plasticizer adopts dinonyl phthalate DINP, and heat stabilizer adopts calcium-zinc composite stabilizing agent, and thinner is for taking off fragrant solvent naphtha or 70
# Perfume extraction solvent, wherein, PVC sticks with paste the part by weight 1:0.32:0.012:0.32:0.005:0.003 of resin-oatmeal, DINP, heat stabilizer, thinner, collagen, vitamin E, and collagen is to prepare in the stirring of back at material to add; In the second batch, the weight proportion of pure water, peach blossom, pear flower, dandelion, witch hazel, aloe, pearl liquor, PU is: 10:2:2:1:0.5:5:0.5:1, proportioning is accomplished after fully stir the last PU of adding.
In the step (4), 50 ℃-60 ℃ of PVC groove temperature; In the step (8), the mold temperature before the PU groove: 95 ℃-105 ℃ of winters, 110 ℃-120 ℃ of summers; 35 ℃-55 ℃ of PU groove temperature.
In the step (1), peach blossom or pear flower extract the making of concentrate: peach blossom or pear flower is broken, and broken size is at 6-8 ㎜, inserts then in the butanone 6-8 hour, puts into CO then
2In the column jeckets at different levels of supercritical extract equipment, extract skin-care nutrient composition, aromatic substance, amino acid and flavonoid glycoside material in the peach blossom pear flower, concentrate the material that extracts and deposit;
The making of the extracting substance of dandelion or witch hazel: the dandelion or the witch hazel that will be crushed to 6-8 ㎜ join in the ether, soak 10-12 hour, add triglycerides then, insert CO
2In the column jeckets at different levels of supercritical extract equipment, carry out effective component extracting;
Aloe condensed juice be with aloe through cleaning, broken, squeeze the juice, concentrate and make;
The making of Margarita extract: pearl is at first carried out ball milling; Adopt the air-flow pulverizing to carry out micronized pulverization then and make nano-glass pearl powder; With pearl powder and ether mixed dissolution, place in the pressure pan compressed air vapor mixing was made pearl liquor in 4 hours after be forced into 50 MPas after the quartz sand filtration filter again.
In the step (1); The making of asparagus juice: place water to add multivariate table surface-active agent, vitamin C and citric acid aloe and clean; Cleaning the back completes with the citric acid water that heats; Be broken for the particle of 1 ~ 15mm, add citric acid, sodium ascorbate and maceration enzyme simultaneously, then it is squeezed the juice, filters; Juice after filtering is pumped in the enzymolysis cylinder, add the natural clarifying agent stirring and evenly mixing that accounts for juice weight 0.003% compound dispersed particle STERM layer current potential, left standstill 1.5 ~ 2 hours, separation of supernatant is filtered through diatomite filter; The asparagus juice that filtration is obtained adopts the quadruple effect falling film type evaporation to concentrate; Pump into then in the enzymolysis cylinder; Adding ZTE natural clarifying agent, pectase, Ludox, tannin, gelatin stir under 50 ~ 55 ℃, leave standstill and carry out the secondary enzymolysis clarification in 1.5 ~ 2 hours, filter at last; Under 40 ~ 45 ℃, the vacuum of 400 ~ 500mm mercury column, outgas to concentrating asparagus juice, then through 80 ~ 95 ℃ preheat the back ultra high temperature sterilization, be cooled to 28 ~ 32 ℃ after low tempertaure storage, obtain concentrated Aloe original juice.
In the step (11), demoulding district temperature standard: 70 ℃-75 ℃ of winters, 80 ℃-85 ℃ of summers.
Nutrition skin-protection skin moisten non-powder PVC gloves of the present invention is characterized in that: processed by the method for the invention.
Nutrition skin-protection skin moisten non-powder PVC gloves is a kind of desirable skin-care nutrient gloves; Dress comfortable, use flexibly, do not contain any natural emulsion composition, can not produce allergic reaction; Not only health, convenience, environmental protection; More importantly be that it can not damage people's skin, and also have the effect of good nutrition skin-protection skin moisten, use up and do not have remaining powder behind the gloves and be bonded on hand.
Description of drawings
Nutrition skin-protection skin moisten non-powder PVC gloves technological process of production sketch map.
The specific embodiment
Embodiment:
One, the making of raw material and selection
(1) PVC sticks with paste resin choice
Select nontoxic, odorless, the PVC that can be dissolved in ketone, ester class and chlorocarbon kind solvent sticks with paste resin.
Its index is:
Outward appearance: white powder
Molecular weight: 40600 ~ 111600
Density: 1.35 ~ 1.45g/ml
Apparent density: 0.4 ~ 0.65g/ml
Specific heat capacity (0 ~ 100 ℃): 1.045 ~ 1.463J/ (g. ℃)
Thermal conductivity: 0.1626W/ (m.k)
Refractive index: nD20=1.544
Particle diameter: tight (XJ) type: 30 ~ 100um
Loose (SG) type: 60 ~ 150um
Stick with paste resin: 1.2 ~ 2um
Softening point: 75 ~ 85 ℃
The thermal decomposition point:>100-120 ℃ begins the hydrogen chloride of degrading out.
(2) plasticizer (DINP)
Select dioctyl phthalate (DOP) and dinonyl phthalate (DINP) for use, resin flow property during in order to adding skin care composition processing and forming, and make goods have pliability.
(3) heat stabilizer
Select calcium-zinc composite stabilizing agent, increase the trace element that is of value to human body, asepsis environment-protecting.
(4) thinner
Select " taking off fragrant solvent naphtha ", 70
# Perfume extraction solvent is as the thinner of making non-powder PVC gloves, and this solvent naphtha is widely used in cosmetics, spices, medicine, electronic unit etc. at present.
(5) making of collagen
Do OEM processing according to requirement of the present invention by the technological Co., Ltd of this biological medicine company of Shanghai nation; Its collagen requires: raw material is ox-hide, fish-skin, pig's feet skin; Little molecule >=the 3000Da of the consummate collagen polypeptide of low-temperature extraction, P-Hyd >=12.8%, solubility >=87%.
(6) making of peach blossom, pear flower extraction concentrate
Peach blossom or pear flower is broken respectively, and broken size is at 6-8 ㎜, inserts the good peach blossom of fragmentation or pear flower particle in the butanone 6-8 hour, puts into CO then
2In the column jeckets at different levels of supercritical extract equipment; Requirement according to required composition extracts skin-care nutrient composition, aromatic substance, amino acid and flavonoid glycoside material etc. in the peach blossom pear flower respectively; Concentrate the material that extracts respectively and to deposit, residual solvent heating evaporation or volatilization are removed.
(7) extracting substance of dandelion or witch hazel joins dandelion that is crushed to 6-8 ㎜ or witch hazel in the ether, soaks 10-12 hour, adds triglycerides then, and inserts CO respectively
2In the column jeckets at different levels of supercritical extract equipment, extract each effective constituents, residual solvent heating evaporation or volatilization are removed.
(8) making of asparagus juice: place water to add multivariate table surface-active agent, vitamin C and citric acid aloe and clean; Cleaning the back completes with the citric acid water that heats; Be broken for the particle of 1 ~ 15mm, add citric acid, sodium ascorbate and maceration enzyme simultaneously, then it is squeezed the juice, filters; Juice after filtering is pumped in the enzymolysis cylinder, add the natural clarifying agent stirring and evenly mixing that accounts for juice weight 0.003% compound dispersed particle STERM layer current potential, left standstill 1.5 ~ 2 hours, separation of supernatant is filtered through diatomite filter; The asparagus juice that filtration is obtained adopts the quadruple effect falling film type evaporation to concentrate; Pump into then in the enzymolysis cylinder; Adding ZTE natural clarifying agent, pectase, Ludox, tannin, gelatin stir under 50 ~ 55 ℃, leave standstill and carry out the secondary enzymolysis clarification in 1.5 ~ 2 hours, filter at last; Under 40 ~ 45 ℃, the vacuum of 400 ~ 500mm mercury column, outgas to concentrating asparagus juice, then through 80 ~ 95 ℃ preheat the back ultra high temperature sterilization, be cooled to 28 ~ 32 ℃ after low tempertaure storage, obtain concentrated Aloe original juice.
Add the vitamin C of multivariate table surface-active agent, 0.8 ~ 1 ‰ account for asparagus raw material weight 0.2 ‰ and 0.3 ‰ citric acid during cleaning in the water, the raw material after the cleaning completed three minutes with 95 ℃, 0.3% citric acid water.Add the citric acid account for asparagus raw material weight 0.03 ‰, 0.15% sodium ascorbate and 0.005% maceration enzyme in the shattering process.In the quadruple effect concentration process, an effect temperature is 60 ~ 62 ℃, and vacuum is the 600mm mercury column; Two effect temperature are 40 ~ 42 ℃, and vacuum is 650 ~ 700mm mercury column, and the triple effect temperature is 50 ~ 55 ℃; Vacuum is 600 ~ 650mm mercury column, and the quadruple effect temperature is 40 ~ 42 ℃, and vacuum is 700 ~ 750mm mercury column.In enzymolysis when clarification, added the ZTE natural clarifying agent that accounts for quadruple effect falling liquid film concentrate weight 0.03 ‰, 0.03 ‰ pectase, 0.007 ‰ Ludox, 0.003 ‰ tannin and 0.005 ‰ gelatin.
(9) making of Margarita extract
With pearl after ball milling one-level fragmentation → two-stage crushing → airflow crash obtains nano-glass pearl powder; The dissolving that adds diethyl ether reaches certain solubility, places then in the pressure pan compressed air vapor mixing was made pearl liquor in 4 hours after be forced into 50 MPas after the quartz sand filtration filter;
Two, compatibility
Carry out compatibility according to Traditional Chinese medical theory
(1) proportioning raw materials in former batching for the first time is:
PVC sticks with paste resin-oatmeal 100 ㎏, DINP32 ㎏, calcium-zinc composite stabilizing agent 1.2 ㎏, thinner 32 ㎏, i.e. 1:0.32:0.012:0.32, and 0.3 kilogram of vitamin E is mixed into emulsion, and collagen is to prepare the back at material to add 0.5 ㎏ in stirring.
The secondary raw material proportioning:
Medicine compatibility method according to theory of traditional Chinese medical science; And the situation that counteracts each other of medicine successively with the extract of peach blossom pear flower respectively 2 kilograms be added in the 10 ㎏ pure water; Add dandelion, witch hazel extract and aloe condensed juice then and be followed successively by 1 kilogram, 0.5 kilogram, 5 kilograms; Add the pearl extract again and stir for 0.5 kilogram, adding PU1 ㎏ stirring at last becomes the secondary feed liquid.
The concrete proportioning of peach blossom, pear flower, dandelion, witch hazel, aloe, pearl liquor is: 2:2:1:0.5:5:0.5, proportioning is accomplished after abundant the stirring also adds 1 ㎏ PU according to the above ratio.
Mixing time, stirred 20 ℃-50 ℃ of control temperature, 30-55 ℃ of summer 1.5 hours summers 2.5 hours winters.
Three, dipping plasticizing process
(2) emulsion that stirs and secondary feed liquid are filtered through 200 order sieves respectively;
(3) standing and defoaming: squeeze in the degassing tank after heating 40-45 ℃ to emulsion and secondary feed liquid respectively, the open vacuum pump outgased 40-50 minute to feed liquid under the vacuum of 500-600 millimetres of mercury, and the bubble in the feed liquid is sloughed fully.
(4) with pump emulsion is sent in the dipping tank in the production line.Under the ordinary production situation, the fingerprint on the streamline gets into dipping tank automatically and is stained with material.This process is a dipping process: mainly be mold temperature, PVC groove temperature and the PU groove temperature before control and the grasp PU groove under the normal condition.During single-steeping, 50 ℃-60 ℃ of PVC groove temperature.
(5) fingerprint of adhesive emulsion comes out from dipping tank successively, constantly rotates in advancing, so that the lip-deep emulsion of fingerprint is even, and unnecessary emulsion is hung down drip down.The liquid that drips down that hangs down returns in the dipping tank through feeder.
(6) fingerprint drip off after the unnecessary emulsion that hangs down moves into baking oven with production line, and oven temperature is controlled at 230-250 degree centigrade, with this understanding, and the emulsion slaking moulding on the fingerprint.
In this step, be that the temperature of baking oven and boiler is controlled well, its standard is:
The fingerprint process of (7) coming out from baking oven naturally cools to 70 ℃-80 ℃.
(8) double-steeping: the fingerprint that has the good shaped article of cooling gets into the dipping tank sizing that has the secondary feed liquid automatically, hangs down then and drips.During double-steeping, the mold temperature before the PU groove: 95 ℃-105 ℃ of winters, 110 ℃-120 ℃ of summers; 35 ℃-55 ℃ of PU groove temperature.
(9) oven dry: the fingerprint that has the shaped article of secondary feed liquid moves into oven for drying, and oven temperature is controlled at 230-250 degree centigrade.
(10) cooling volume lip: the fingerprint process of drying product that has of coming out from baking oven naturally cools to 70 ℃-85 ℃, rolls up lip.
(11) demoulding: the back warehouse-in is unloaded, packed to manual work with gloves from fingerprint, and fingerprint is advanced to dipping tank continuously.Demoulding district temperature standard: 70 ℃-75 ℃ of winters, 80 ℃-85 ℃ of summers.
Nutrition skin-protection skin moisten non-powder PVC gloves of the present invention is characterized in that: processed by the method for the invention.