CN110901125A

CN110901125A - A kind of household gloves and production method thereof

Info

Publication number: CN110901125A
Application number: CN201911163608.5A
Authority: CN
Inventors: 俞捷; 顾凌晓; 金健
Original assignee: Zhejiang East Asia Glove Co Ltd
Current assignee: Zhejiang East Asia Glove Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-03-24

Abstract

The invention discloses a method for making household gloves, aiming to provide a PVC glove with more uniformity, small gram weight, low cost, shortened process links and better comfort. The components are as follows: 100-120 parts of polyester plasticizer, 50-60 parts of DINP, 40-50 parts of DOTP, 5-10 parts of DOP, 200-300 parts of PVC resin, 12 parts of liquid calcium zinc The stabilizer, 15-20 parts of a rheological assistant and 5-10 parts of a viscosity reducer are suitable for the technical field of glove manufacturing.

Description

Household glove and manufacturing method thereof

Technical Field

The invention relates to the technical field of glove manufacturing, in particular to a household glove and a manufacturing method thereof.

Background

The household gloves are generally stored at home, are convenient to use when clothes and dishes are washed, and can prevent the hands from being damaged by alkaline washing liquid.

The existing PVC gloves need to be dipped and formed for many times in the production and forming process, the efficiency is low, the energy consumption is high, the environmental protection is poor, the common PVC processing performance is far lower than that of natural latex, domestic PVC gloves are basically dipped and formed for more than three times, the thickness of the gloves is uneven, the gram weight is large, the cost is high, and the use is clumsy; because PVC gloves on the market all adopt DOP (dioctyl phthalate), because DOP processing performance in PVC plasticizer is optimal, but DOP can migrate from products along with use, and the slow toxicity harm is very large; and household gloves on the market basically adopt a curling and edge covering mode, so that the working procedures are increased, and the cost is increased.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a PVC glove which is more uniform, has small gram weight and low cost, shortens the process links and has better comfort.

In order to achieve the purpose, the invention provides the following technical scheme: a manufacturing method of household gloves comprises the following steps: (1) the following ingredients are prepared, and the contents of the ingredients are as follows: 100-200 parts of PVC paste resin, 60-100 parts of polyester plasticizer, 40-50 parts of DINP, 30-40 parts of DOTP, 5-10 parts of DOP, 12 parts of liquid calcium zinc stabilizer, 15-20 parts of rheological additive and 5-10 parts of viscosity reducer;

(2) mixing: mixing and stirring polyester plasticizer, DINP, DOTP, DOP and other plasticizers, then sequentially adding PVC paste resin, liquid calcium-zinc stabilizer, rheological additive, 5-10 parts of viscosity reducer and quantitatively cut composite fiber, and stirring to obtain a primary ingredient;

(3) standing and defoaming: standing and defoaming the primary ingredients for 24 hours;

(4) one-time dipping molding: filtering the slurry prepared in the step (2), adding the filtered slurry into a trough, preheating a hand mould to 55-65 ℃, and then dipping, wherein the dipping temperature is 50-60 ℃;

(5) primary plasticizing: placing the soaked hand mold into an oven, and baking for 15-30min at 190 ℃ of 170-;

(6) dipping a slipping agent: adding water-based PU glue serving as a slipping agent into water, stirring, adding ammonia water to adjust the pH value to 8-10, filtering, feeding into a PU trough, feeding the hand mold subjected to primary plasticizing into the PU trough, and dipping at 40-50 ℃;

(7) drying and smoothing agent: putting the hand mould dipped with the slipping agent into an oven, and baking for 5-10min at 120-140 ℃;

(8) and (3) edge pressing: the gloves are automatically cut into the edges and cuffs by slightly pressurizing when the gloves are plasticized to have poor plasticity through the concave-convex edges on the trimming die, so as to achieve the purpose of preliminarily forming the gloves;

(9) molding: and demolding, inspecting and sorting the dried gloves to obtain the gloves.

The invention is further configured to: the composite fiber in the step (2) is obtained by the following method:

step a, drying old bamboos in a vacuum environment, and crushing and grinding the old bamboos to obtain bamboo powder; putting the bamboo powder into a 15-17% sodium hydroxide aqueous solution, stirring for 4-5 hours in a constant-temperature water bath environment at the temperature of 70-80 ℃, washing with deionized water to be neutral, and drying; placing in a low temperature furnace at 500 deg.C, maintaining the temperature for 1 hr, maintaining the temperature in a high temperature furnace at 800 deg.C for 20 min, cooling, grinding, and sieving to obtain 10-25 micrometer bamboo charcoal powder;

b, selecting granular polylactic acid slices with the diameter of 5mm, heating the polylactic acid slices to a molten state, adding the bamboo charcoal powder prepared in the step a, micron-sized silver wires and micron-sized graphene powder, and stirring the mixture to prepare a mixture molten liquid, wherein the silver wires are 5-10 microns in diameter and 50-200 microns in length, and the graphene powder is 10-50 microns in particle size;

and c, preparing the composite fiber by adopting a high-voltage electrostatic spinning method.

The invention is further configured to: the diameter of the composite fiber is 4-10 microns.

The invention is further configured to: the cutting length of the composite fiber is between 10 and 15 mm.

The invention is further configured to: spraying the gloves obtained in the step (9) with a PU hand feeling agent, wherein the PU hand feeling agent is composed of the following raw materials in percentage by weight: 35-40% of waterborne polyurethane resin, 12-15% of emulsifier, 1-2% of amino silicone oil, 2-3% of low-temperature Yangbuck foam powder, 10-15% of emulsifier, 40-60% of water and a small amount of quartz powder.

A PVC glove produced by the method of manufacturing a household glove according to any one of claims 1 to 5.

Through adopting above-mentioned technical scheme, beneficial effect: 1. the synthetic resin is adopted for one-time rapid dipping molding, so that the PVC gloves with more uniformity, small gram weight and low cost can be produced by one-time dipping, the process link is shortened, the efficiency is improved by 8 times, and 50000 double gloves can be produced per day; repeated impregnation and repeated heating are avoided, and energy consumption is saved by 50%; the thickness of the glove is controlled without depending on the mold temperature, so that the product uniformity is better, the hand feeling is better, and the cost of the glove is reduced by 30 percent per double;

2. adopting an environment-friendly plasticizer: the plasticizer belongs to an ester macromolecular chain and is internally connected during plasticizing, so that the mobility is poor and basically does not migrate; secondly, the plasticizer reaches California regulations and does not contain toxicity; thirdly, the product using the plasticizer has excellent hand feeling;

3. the technology of the tooth edge is adopted, the concave-convex tooth edge is designed on the die, and the tooth edge cuff is automatically cut into the tooth edge cuff by slight pressure when the plasticity of the glove is poor, so that the appearance is attractive, the edge curling process is reduced, the cost is reduced, and the rate of qualified products is improved;

4. the synthetic hand feeling agent is adopted, so that the foaming process is omitted, the cost is lower, the wearing and the collection are realized, and the environmental protection is good.

Drawings

Fig. 1 is a manufacturing flow chart of an embodiment of a household glove and a manufacturing method thereof.

Detailed Description

An embodiment of a household glove and a method for manufacturing the same according to the present invention will be further described with reference to fig. 1.

A manufacturing method of household gloves comprises the following steps: (1) the following ingredients are prepared, and the contents of the ingredients are as follows: 100-120 parts of polyester plasticizer, 50-60 parts of DINP, 40-50 parts of DOTP, 5-10 parts of DOP, 200-300 parts of PVC paste resin, 12 parts of liquid calcium zinc stabilizer, 15-20 parts of rheological additive and 5-10 parts of viscosity reducer; the ratio of the PVC paste resin to the plasticizer is about 1:1, the plasticizer comprises more than half of polyester plasticizer, the rest is citrate plasticizer or DOTP or DINP, and TXIB is a little,

(2) mixing: mixing and stirring polyester plasticizer, DINP, DOTP, DOP and other plasticizers, then sequentially adding PVC paste resin, liquid calcium-zinc stabilizer, rheological additive, 5-10 parts of viscosity reducer and quantitatively cut composite fiber, and stirring to obtain a primary ingredient; through having added composite fiber in step (2) for gloves obtain promoting in holistic tensile strength, the practicality is strong, and stability is strong.

The invention further provides that the composite fiber in the step (2) is obtained by the following method:

The invention is further configured such that the composite fiber has a diameter of 4 to 10 microns.

The invention is further provided that the cutting length of the composite fiber is between 5 and 10 mm.

The invention is further set that the gloves obtained in the step (9) are sprayed with PU hand feeling agent, and the PU hand feeling agent is composed of the following raw materials by weight percent: 35-40% of waterborne polyurethane resin, 12-15% of emulsifier, 1-2% of amino silicone oil, 2-3% of low-temperature Yangbuck foam powder, 10-15% of emulsifier, 40-60% of water and a small amount of quartz powder.

A PVC glove manufactured by adopting a manufacturing method of a household glove.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.

Claims

1. a preparation method of household gloves, is characterized in that, comprises the following steps: (1) prepare following ingredients, and each component content is as follows: 100 parts-200 parts of PVC paste resin, 60 parts-100 parts of polyester plasticizing agent, 40-50 parts of DINP, 30-40 parts of DOTP, 5-10 parts of DOP, 12 parts of liquid calcium zinc stabilizer, 15-20 parts of rheological additives and 5-10 parts of viscosity reducer;

(2) Mixing: Mix plasticizers such as polyester plasticizer, DINP, DOTP, DOP, etc. and stir, then add PVC paste resin, liquid calcium-zinc stabilizer, rheology aid, and 5-10 parts of viscosity reducer in turn. and adding quantitatively cut composite fibers for stirring to obtain a batch of ingredients;

(3) Standing for defoaming: the first batch of ingredients is allowed to stand for defoaming for 24h;

(4) One-time dipping molding: filter the slurry prepared in step (2) and add it to the feed tank, preheat the hand mold to 55°C to 65°C, and then impregnate it, and the immersion temperature is 50 to 60°C;

(5) One-time plasticization: put the dipped hand mold into the oven, and bake it at 170-190°C for 15-30min;

(6) Dip slip agent: add slip agent water-based PU glue into water and stir, then add ammonia water to adjust the pH to 8-10, filter and send it to the PU hopper, and then send the plasticized hand mold into the PU material In the tank, dipping at 40-50 °C;

(7) Drying and slipping agent: put the hand mold impregnated with slipping agent into the oven, and bake at 120-140°C for 5-10 minutes;

(8) Edge pressing: By concave and convex tooth edges on the edge trimming mold, the gloves are plasticized and automatically cut into tooth edge cuffs with a little pressure when the plasticity is poor, so as to achieve the preliminary forming of gloves;

(9) Forming: after demoulding, testing and sorting the dried gloves, the gloves of the present invention are obtained.

2. the manufacture method of a kind of household gloves according to claim 1, is characterized in that, the composite fiber in described step (2) is obtained by the following method:

Step a: the old bamboo is dried in a vacuum environment, pulverized and ground to obtain bamboo powder; the massfraction of bamboo powder input is in the sodium hydroxide aqueous solution of 15-17%, and in the constant temperature water bath environment of 70-80 ℃, stirring 4- 5 hours, then washed with deionized water until neutral, and dried; placed in a low temperature furnace at 500°C, kept at a constant temperature for 1 hour, and then kept at a constant temperature for 20 minutes in a high temperature furnace at 800°C, cooled, ground, sieved , to obtain 10-25 micron bamboo charcoal powder;

Step b: select the granular polylactic acid chip that diameter is 5mm, be heated to molten state, add the bamboo charcoal powder that step a makes, and micron-level silver wire, micron-level graphene powder, stir to make mixture melt, wherein said The diameter of the silver wire is 5-10 microns and the length is 50-200 microns, and the particle size of the graphene powder is 10-50 microns;

Step c: using a high-voltage electrospinning method to prepare composite fibers.

3. The method for making a household glove according to claim 1 or 2, wherein the composite fiber has a diameter of 4-10 microns.

4. The manufacturing method of a household glove according to claim 1 or 2, wherein the cutting length of the composite fiber is between 5-10 mm.

5. the manufacture method of a kind of household gloves according to claim 1, is characterized in that, step (9) gained gloves are sprayed with PU feel agent, and PU feel agent is made up of the raw material of following weight percentage: water-based polyurethane resin 35 ～40%, 12～15% emulsifier, 1～2% amino silicone oil, 2～3% low temperature yangbuck foaming powder, 10～15% emulsifier, 40～60% water and a small amount of quartz powder.

6. A PVC glove made according to the method for making a household glove according to one of claims 1-5.