CN112339196A - Preparation method of environment-friendly nano-copper latex gloves - Google Patents
Preparation method of environment-friendly nano-copper latex gloves Download PDFInfo
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- CN112339196A CN112339196A CN202011098853.5A CN202011098853A CN112339196A CN 112339196 A CN112339196 A CN 112339196A CN 202011098853 A CN202011098853 A CN 202011098853A CN 112339196 A CN112339196 A CN 112339196A
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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
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
-
- 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
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/38—Moulds, cores or other substrates
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Gloves (AREA)
Abstract
The invention discloses a preparation method of an environment-friendly nano copper latex glove, belonging to the technical field of latex gloves and comprising the following steps: s1, preparing a nano-copper latex solution, S2, taking a ceramic mold for preparing the latex glove, washing the ceramic mold with clear water, S3, soaking the washed ceramic mold into a coagulant for 1-2min under the condition of 55-65 ℃ of the coagulant, S4, placing the ceramic mold soaked with the coagulant in a drying oven for drying, and drying for 3-6min under the condition that the temperature of the drying oven is 110-120 ℃. According to the invention, the environment-friendly latex gloves can be prepared, no hazardous substances are left on the gloves, a user can be protected, meanwhile, the ductility and the wear resistance of the latex gloves can be ensured, and the service life of the latex gloves is prolonged.
Description
Technical Field
The invention relates to the technical field of latex gloves, in particular to a preparation method of environment-friendly nano-copper latex gloves.
Background
The latex glove is one of gloves, which is different from general gloves and is made of latex. Can be used in the industries of families, industry, medical treatment, beauty treatment and the like, and is a necessary hand protection article.
The nano copper is an article made of nano materials, has wide application, and can be used as a hot hydrogen generator, a gel propellant, a combustion active agent, a catalyst, a water cleaning adsorbent, a sintering active agent, an antibacterial agent and the like.
Traditional latex glove's preparation method, during the latex glove of preparation, this kind of product that obtains has not only caused the pollution to the environment, but also can have some harm to remain in gloves, causes the injury to the user, simultaneously, latex glove after the preparation is when using, and ductility, wear-resisting wearability are not good, influence latex glove's life, consequently need a preparation method of environmental protection, good, the good nano-copper latex glove of wearability of ductility.
Disclosure of Invention
The invention aims to provide a method for preparing environment-friendly nano copper latex gloves, which can realize environment-friendly preparation of the latex gloves, does not leave hazardous substances on the gloves, can protect users, and simultaneously can ensure the ductility and the wear resistance of the latex gloves and prolong the service life of the latex gloves.
In order to achieve the above effects, the present invention provides the following technical solutions: a preparation method of environment-friendly nano-copper latex gloves comprises the following steps:
and S1, preparing the nano-copper latex solution.
S2, taking the ceramic mould for preparing the latex gloves, and washing the ceramic mould with clean water.
S3, soaking the cleaned ceramic mould into a coagulant for 1-2min under the condition of 55-65 ℃ of the coagulant.
S4, placing the ceramic mould soaked with the coagulant in a drying oven for drying treatment, and drying for 3-6min at the temperature of 110-120 ℃ in the drying oven.
And S5, dipping the ceramic mould dried in the S4 into the prepared nano-copper latex solution.
And S6, after the surface of the ceramic mold is covered with a layer of latex, drying the latex on the ceramic mold.
And S7, performing curling, drying and vulcanizing and cooling treatment on the dried rubber gloves in the S6.
And S8, taking off the latex gloves from the ceramic mold to finish the preparation of the finished latex gloves.
Preferably, according to the operation procedure in S1, the preparation of the nano-copper latex solution comprises the following steps:
s101, adding the dispersing agent into water, and stirring the dispersing agent and the water to obtain a mixed solution.
S102, placing the nano-copper particles in the mixed solution, and grinding the nano-copper particles by using a sand mill to prepare a nano-copper solution for later use.
S103, taking the natural rubber solution, adding the surfactant, the sulfur, the titanium dioxide and the zinc oxide into the natural rubber solution, and quickly stirring to prepare the uniform natural rubber mixed monomer pre-emulsion.
S104, uniformly mixing the prepared nano-copper solution and the natural rubber mixed monomer pre-emulsion to prepare the nano-copper latex solution, wherein the content of copper is less than 20 percent, and the content of zinc oxide is less than 20 percent.
Preferably, according to the operation step in S101, the dispersant is one or more of alkyl polyoxyethylene ether, sodium polyacrylate and ammonium polyacrylate mixed in any proportion.
Preferably, according to the operation step in S102, the grinding rotation speed of the sand mill is 300-500r/min, and the nano-copper particles are ground to the fineness of less than 100 nm.
Preferably, the surfactant is one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate and polyoxyethylene sorbitan monooleate mixed according to the operation step in S103 in any proportion.
Preferably, according to the operation in S3, the coagulant is a calcium nitrate type coagulation liquid.
Preferably, according to the operation step in S6, the latex on the ceramic mold is dried by a drying oven, wherein the temperature of the drying oven is 90-125 ℃, and the drying time is 15-25 min.
Preferably, according to the operation step in S7, the method includes the steps of:
s801, enabling the ceramic die to pass through a curling machine, and curling the opening of the latex glove.
S802, placing the latex gloves after edge curling into a drying box for drying, and removing water on the surfaces of the latex gloves.
And S803, soaking the dried latex gloves in hot water, taking out, drying and vulcanizing.
Preferably, according to the operation step in S7, the method further includes the steps of:
and S804, immersing the dried and vulcanized latex gloves in cold water for cooling in the step S803.
Preferably, according to the operation procedure in S803, the dried latex gloves are put into a stirring tank and soaked with water at 95-100 ℃ for 50-60 min.
The invention provides a preparation method of environment-friendly nano copper latex gloves, which has the following beneficial effects:
(1) according to the invention, the latex gloves are prepared by adopting natural rubber and harmless raw materials, the environment-friendly preparation of the latex gloves can be ensured, the prepared latex gloves are subjected to curling, drying, vulcanizing and cooling treatment, particles and defective edges on the surfaces of the latex gloves on the latex gloves can be removed, the cleanliness of the latex gloves is increased, and the prepared latex gloves do not cause harm to users.
(2) In the invention, the nano copper in the nano copper latex solution is used in the preparation process, so that the latex gloves have superplastic ductility, the used zinc oxide is used as a catalyst and can be crosslinked with carboxyl in natural latex to form firm zinc ionic bonds, and meanwhile, the zinc oxide is also used as an active agent for vulcanization crosslinking, so that the latex gloves have good stress relaxation property, and the used sulfur can greatly improve the durability and the water resistance of the prepared latex gloves.
Drawings
FIG. 1 is a general flow chart of a method for preparing an environmentally friendly nano-copper latex glove;
FIG. 2 is a flow chart of a process for preparing a nano-copper latex solution for the preparation method of an environment-friendly nano-copper latex glove;
FIG. 3 is a flow chart of a method for preparing an environment-friendly nano copper latex glove, which is used for treating the dried rubber glove.
Detailed Description
The invention provides a technical scheme that: referring to fig. 1-3, a method for manufacturing an environment-friendly nano copper latex glove includes the following steps:
(1) and preparing the nano copper latex solution.
(2) And taking a ceramic mould for preparing the latex gloves, and washing the ceramic mould by using clear water.
(3) And soaking the cleaned ceramic mold into a coagulant for 1-2min at the temperature of 55-65 ℃ under the coagulant condition.
(4) And placing the ceramic mould soaked with the coagulant in a drying oven for drying treatment, and drying for 3-6min at the temperature of 110-120 ℃ in the drying oven.
(5) And (5) dipping the dried ceramic mould in the step (4) into the prepared nano-copper latex solution.
(6) And after the surface of the ceramic mould is covered with a layer of latex, drying the latex on the ceramic mould.
(7) And (4) curling, drying, vulcanizing and cooling the dried rubber gloves in the step (6).
(8) And taking off the latex gloves from the ceramic mould to finish the preparation of the finished latex gloves.
Specifically, according to the operation steps in (1), the preparation steps of the nano-copper latex solution are as follows:
(101) and putting the dispersing agent into water, and stirring the dispersing agent and the water to obtain a mixed solution.
(102) And placing the nano-copper particles in the mixed solution, and grinding by using a sand mill to prepare the nano-copper solution for later use.
(103) And taking a natural rubber solution, adding a surfactant, sulfur, titanium dioxide and zinc oxide into the natural rubber solution, and quickly stirring to prepare the uniform natural rubber mixed monomer pre-emulsion.
(104) And uniformly mixing the prepared nano-copper solution and the natural rubber mixed monomer pre-emulsion to prepare the nano-copper emulsion solution, wherein the content of copper is less than 20 percent, and the content of zinc oxide is less than 20 percent.
Specifically, according to the operation procedure in (101), the dispersant is one or more of alkyl polyoxyethylene ether, sodium polyacrylate and ammonium polyacrylate which are mixed according to any proportion.
Specifically, according to the operation step (102), the grinding speed of the sand mill is 300-500r/min, and the nano-copper particles are ground to the fineness of less than 100 nm.
Specifically, according to the operation procedure in (103), the surfactant is one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate and polyoxyethylene sorbitan monooleate, which are mixed according to any proportion.
Specifically, according to the operation step in (3), the coagulant is a calcium nitrate type coagulation liquid.
Specifically, according to the operation steps in (6), drying the latex on the ceramic mold by using a drying box, wherein the temperature of the drying box is 90-125 ℃, and the drying time is 15-25 min.
Specifically, according to the operation steps in (7), the method comprises the following steps:
(801) and the ceramic mould passes through a curling machine to perform curling treatment on the opening of the latex glove.
(802) And placing the latex gloves after edge curling into a drying box for drying, and removing the moisture on the surfaces of the latex gloves.
(803) And soaking the dried latex gloves in hot water, taking out, drying and vulcanizing.
Specifically, according to the operation steps in (7), the method further comprises the following steps:
(804) and (7) immersing the dried and vulcanized latex gloves obtained in the step (803) in cold water for cooling.
Specifically, according to the operation steps in (803), the dried latex gloves are put into a stirring tank and soaked for 50-60min by water with the temperature of 95-100 ℃.
The method of the examples was performed for detection analysis and compared to the prior art to yield the following data:
| environmental protection effect | Ductility of the alloy | Wear resistance | |
| Examples | Good effect | Good performance | Good performance |
| Prior Art | Poor effect | Poor performance | Poor performance |
According to the data in the table, the preparation method of the environment-friendly nano copper latex glove has the advantages of environment friendliness, good ductility and good wear resistance.
A preparation method of environment-friendly nano-copper latex gloves comprises the following steps: (1) preparing a nano copper latex solution, wherein the preparation steps of the nano copper latex solution are as follows: (101) putting a dispersing agent into water, stirring the dispersing agent and the water to obtain a mixed solution, wherein the dispersing agent is one or more of alkyl polyoxyethylene ether, sodium polyacrylate and ammonium polyacrylate according to any proportion, (102) putting nano-copper particles into the mixed solution, grinding the nano-copper particles by a sand mill to obtain a nano-copper solution for later use, the grinding speed of the sand mill is 300-500r/min, the nano-copper particles are ground until the fineness is less than 100 nanometers, the nano-copper ensures that the latex gloves have superplastic ductility, (103) taking a natural rubber solution, adding a surfactant, sulfur, titanium dioxide and zinc oxide into the natural rubber solution, quickly stirring to obtain a uniform natural rubber mixed monomer pre-emulsion, wherein the surfactant is one or more of sodium dodecyl sulfonate, sodium dodecyl benzene sulfonate and polyoxyethylene sorbitan monooleate according to any proportion, the sodium dodecyl sulfate is easy to dissolve in water, good in compatibility with anions and non-ions, good in emulsifying, foaming, permeating, decontaminating and dispersing performances, rich in foam and fast in biodegradation, the sodium dodecyl benzene sulfonate is used as an anionic surfactant, good in surface activity and strong in hydrophilicity, the polyoxyethylene sorbitan monooleate has the functions of solubilizing, emulsifying, decontaminating and the like, the durability and the waterproofness of the prepared latex gloves can be greatly improved by sulfur, the appearance of the prepared latex gloves can be improved by titanium dioxide, the generation of bubbles in the preparation of the latex gloves can be reduced by using the titanium dioxide as a defoaming agent, the zinc oxide is used as a catalyst, can be crosslinked with carboxyl in natural latex to form firm zinc ionic bonds, and the zinc oxide is also used as an active agent for vulcanization crosslinking, so that the latex gloves have good stress relaxation, (104) uniformly mixing the prepared nano-copper solution and natural rubber mixed monomer pre-emulsion to prepare nano-copper latex solution, wherein the content of copper is less than 20 percent, and the content of zinc oxide is less than 20 percent, (2) taking a ceramic mould for preparing the latex gloves, washing the ceramic mould with clear water to ensure the cleanness of the ceramic mould when in use, (3) soaking the washed ceramic mould into a coagulant for 1-2min under the condition of 55-65 ℃ of the coagulant, wherein the coagulant is calcium nitrate type coagulant, (4) placing the ceramic mould soaked with the coagulant into a drying oven for drying, drying for 3-6min under the condition of 110-120 ℃ of the drying oven, (5) soaking the ceramic mould dried in the step (4) into the prepared nano-copper latex solution, (6), After the surface of the ceramic mould is covered with a layer of latex, drying the latex on the ceramic mould by using a drying box, wherein the temperature of the drying box is 90-125 ℃, the drying time is 15-25min, and (7) curling, drying, vulcanizing and cooling the dried rubber gloves in the step (6), and the method comprises the following steps: (801) the method comprises the steps of (1) enabling a ceramic mould to pass through a curling machine to conduct curling treatment on an opening of a latex glove, (802) placing the curled latex glove into a drying box to be dried, removing water on the surface of the latex glove, (803) soaking the dried latex glove in hot water, taking out the latex glove, drying and vulcanizing the latex glove, placing the latex glove after being dried into a stirring tank to be soaked in the hot water at the temperature of 95-100 ℃ for 50-60min, (804) soaking the latex glove after being dried and vulcanized in the step (803) in cold water to be cooled, and (8) taking the latex glove off from the ceramic mould to complete the preparation of the finished latex glove.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The preparation method of the environment-friendly nano copper latex glove is characterized by comprising the following steps of:
s1, preparing a nano-copper latex solution;
s2, taking a ceramic mould for preparing the latex gloves, and washing the ceramic mould with clean water;
s3, soaking the cleaned ceramic mold into a coagulant for 1-2min at the temperature of 55-65 ℃ under the coagulant condition;
s4, placing the ceramic mould soaked with the coagulant in a drying oven for drying treatment, and drying for 3-6min at the temperature of 110-120 ℃ in the drying oven;
s5, dipping the dried ceramic mould in the S4 into the prepared nano-copper latex solution;
s6, after the surface of the ceramic mould is covered with a layer of latex, drying the latex on the ceramic mould;
s7, performing curling, drying and vulcanizing and cooling treatment on the dried rubber gloves in the S6;
and S8, taking off the latex gloves from the ceramic mold to finish the preparation of the finished latex gloves.
2. The method for preparing environment-friendly nano-copper latex gloves according to claim 1, wherein the nano-copper latex solution is prepared according to the operation procedure in S1 as follows:
s101, putting a dispersing agent into water, and stirring the dispersing agent and the water to obtain a mixed solution;
s102, placing the nano-copper particles in the mixed solution, and grinding the nano-copper particles by using a sand mill to prepare a nano-copper solution for later use;
s103, taking a natural rubber solution, adding a surfactant, sulfur, titanium dioxide and zinc oxide into the natural rubber solution, and quickly stirring to prepare a uniform natural rubber mixed monomer pre-emulsion;
s104, uniformly mixing the prepared nano-copper solution and the natural rubber mixed monomer pre-emulsion to prepare the nano-copper latex solution, wherein the content of copper is less than 20 percent, and the content of zinc oxide is less than 20 percent.
3. The method for preparing environment-friendly nano copper latex gloves as claimed in claim 2, wherein the dispersant is one or more selected from alkyl polyoxyethylene ether, sodium polyacrylate and ammonium polyacrylate mixed in any proportion according to the operation procedure in S101.
4. The method as claimed in claim 2, wherein the grinding speed of the sand mill is 300-500r/min and the nano-copper particles are ground to a fineness of less than 100 nm according to the step S102.
5. The method as claimed in claim 2, wherein the surfactant is one or more selected from sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, and polyoxyethylene sorbitan monooleate, which are mixed in any ratio according to the step S103.
6. The method for preparing environment-friendly nano-copper latex gloves as claimed in claim 1, wherein the coagulant is calcium nitrate type coagulant according to the procedure in S3.
7. The method for preparing environment-friendly nano-copper latex gloves according to claim 1, wherein the latex on the ceramic mold is dried by a drying oven according to the operation step in S6, the temperature of the drying oven is 90-125 ℃, and the drying time is 15-25 min.
8. The method for preparing environment-friendly nano-copper latex gloves according to claim 1, wherein the method comprises the following steps according to the operation steps in S7:
s801, performing edge curling treatment on the opening of the latex glove by the ceramic mould through an edge curling machine;
s802, placing the curled latex gloves in a drying box for drying, and removing water on the surfaces of the latex gloves;
and S803, soaking the dried latex gloves in hot water, taking out, drying and vulcanizing.
9. The method for preparing environment-friendly nano-copper latex gloves according to claim 8, wherein the method further comprises the following steps according to the operation steps in S7:
and S804, immersing the dried and vulcanized latex gloves in cold water for cooling in the step S803.
10. The method for preparing environment-friendly nano-copper latex gloves according to claim 8, wherein according to the operation step in S803, the dried latex gloves are put into a stirring tank and soaked with water at 95-100 ℃ for 50-60 min.
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| CN109796640A (en) * | 2019-01-25 | 2019-05-24 | 南通倍成劳护用品有限公司 | A kind of wear-resisting antiskid emgloves and preparation method thereof |
| CN110498991A (en) * | 2019-07-01 | 2019-11-26 | 深圳市德诚旺科技有限公司 | A kind of high-low temperature resistant conductive plastic and preparation method thereof |
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| CN101293976A (en) * | 2007-04-25 | 2008-10-29 | 中科纳米涂料技术(苏州)有限公司 | Nano-composite emulsion product and preparation method thereof |
| CN103921382A (en) * | 2013-01-11 | 2014-07-16 | 上海吉妮乳胶厂 | Latex glove preparation method |
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Application publication date: 20210209 |