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CN-122011439-A - Full-bio-based gum dipping glove and preparation method thereof

CN122011439ACN 122011439 ACN122011439 ACN 122011439ACN-122011439-A

Abstract

The invention provides a full-bio-based gum dipping glove and a preparation method thereof, wherein the preparation method comprises the following steps of A, preparing bio-based latex and wet materials for vulcanization process; the method comprises the steps of (A) knitting a glove blank by adopting all-bio-based blended yarns, B, sleeving the glove blank on a mould, preheating, immersing the glove blank in a coagulating agent for coagulating agent treatment, D, immersing the mould subjected to coagulating agent treatment in bio-based latex for gum dipping treatment, E, immersing the mould subjected to gum dipping treatment in wet materials for vulcanization process for pre-vulcanization treatment, and then drying to obtain the all-bio-based gum dipped glove. The invention prepares the biobased yarn glove blank by adopting the biobased fiber, adopts the biobased latex sizing material containing the biobased latex to carry out gum dipping, adopts the wet material for the vulcanization process configured by the biobased latex to carry out presulfiding, and prepares the full biobased gum dipping glove, and has good wear resistance, cutting performance and flexibility.

Inventors

  • MA LIGUO
  • ZHANG WENHUI
  • LI DONG
  • SHA YAN
  • SHA XIAOLIN

Assignees

  • 南通强生新材料科技股份有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (10)

  1. 1. The preparation method of the full-bio-based gum dipping glove is characterized by comprising the following steps of: A. preparing bio-based latex and wet materials for vulcanization process; B. the glove blank is woven by adopting the full biobased blended yarn; C. After the glove blank is sleeved on a mould and preheated, immersing the glove blank in a coagulant for coagulating agent treatment; D. Immersing the die subjected to the coagulant treatment into the bio-based latex for gum dipping treatment; E. And immersing the die subjected to gum dipping treatment into wet materials for a vulcanization process, performing pre-vulcanization treatment, and then drying to obtain the full-biobased gum dipping glove.
  2. 2. The method for preparing the full bio-based impregnated glove according to claim 1, wherein in the step A, the bio-based latex comprises 80-95% of bio-based rubber, 1-5% of diluent and the balance of water.
  3. 3. The method for preparing the full bio-based gum dipping glove according to claim 2, wherein the bio-based rubber is at least one selected from bio-based isoprene rubber, bio-based ethylene propylene rubber, bio-based butadiene rubber, guayule rubber, dandelion rubber, gutta percha, regenerated ethylene propylene diene monomer rubber and bio-based itaconate rubber.
  4. 4. The method for preparing the full bio-based gum dipping glove according to any one of claims 1 to 3, wherein in the step A, the wet material for the vulcanization process comprises the following components, by mass, 30 to 60% of bio-based latex, 10 to 30% of KOH, 20 to 50% of sulfur, 2 to 5% of accelerator, 1.5 to 5.5% of anti-aging agent and 3 to 6% of zinc oxide.
  5. 5. The method for preparing full bio-based gum dipping glove according to claim 4, wherein the accelerator is at least one selected from 3-methylthiazolidine-thioketone-2, 1- (N-oxydiethylenetriamine formyl) -2- (N-oxydiethylenetriamine) thiobenzimidazole, dibenzothiazyl disulfide and zinc diethyl dithiocarbamate; The anti-aging agent is at least one selected from 2, 4-trimethyl-1, 2-dihydroquinoline, N-isopropyl-N-phenyl phenylenediamine and 2,2' -methylenebis- (4-methyl-6-tertiary butyl phenol).
  6. 6. The method for producing full bio-based impregnated gloves according to claim 1, wherein in step B, the full bio-based blended yarn is obtained by blending bio-based nylon fibers with bio-based spandex.
  7. 7. The method of making a full biobased gum dipped glove according to claim 6, characterised in that the biobased nylon fibre is selected from at least one of biobased nylon 56 fibre, biobased nylon 6 fibre, biobased nylon 66 fibre.
  8. 8. The method for preparing full bio-based gum dipping gloves according to claim 1, wherein in step C, the pre-heating temperature is 35-60 ℃; The coagulating agent is a mixture of methanol or ethanol and any one of calcium nitrate, calcium chloride and zinc chloride.
  9. 9. The method for preparing full bio-based impregnated gloves according to claim 1, wherein in step E, the drying temperature is 70-120 ℃ and the drying time is 0.5-3h.
  10. 10. An all-bio-based gum glove made according to the method of any one of claims 1-9.

Description

Full-bio-based gum dipping glove and preparation method thereof Technical Field The invention relates to the technical field of security gloves, in particular to a full-biology-based gum dipping glove and a preparation method thereof. Background The dipped glove, also called latex glove, is processed from a fabric lining and a latex coating, and is widely used as hand protection articles in industrial and agricultural production, medical treatment and daily life. The latex coating adopted by the existing gum dipping glove usually takes natural latex as a main raw material, the natural latex is almost completely derived from hevea brasiliensis, the planting environment is harsh, and the price of the natural rubber is increased in recent years and the cost is increased. Therefore, development of all-bio-based impregnated gloves replacing natural latex and promotion of sustainable development of the impregnated glove industry are of great importance. Disclosure of Invention Aiming at the defects of the prior art, the invention aims to provide a full-biology-based gum dipping glove and a preparation method thereof. The invention aims at realizing the following technical scheme: in a first aspect, the invention provides a method for preparing an all-bio-based impregnated glove, comprising the steps of: A. preparing bio-based latex and wet materials for vulcanization process; B. the glove blank is woven by adopting the full biobased blended yarn; C. After the glove blank is sleeved on a mould and preheated, immersing the glove blank in a coagulant for coagulating agent treatment; D. Immersing the die subjected to the coagulant treatment into the bio-based latex for gum dipping treatment; E. And immersing the die subjected to gum dipping treatment into wet materials for a vulcanization process, performing pre-vulcanization treatment, and then drying to obtain the full-biobased gum dipping glove. In the preferred scheme, in the step A, the bio-based latex comprises 80-95% of bio-based rubber, 1-5% of diluent and the balance of water in percentage by mass. Preferably, the bio-based rubber is at least one selected from bio-based isoprene rubber, bio-based ethylene propylene rubber, bio-based butadiene rubber, guayule rubber, dandelion rubber, gutta percha, regenerated ethylene propylene diene monomer rubber and bio-based itaconate rubber. In the step A, the wet material for the vulcanization process comprises, by mass, 30-60% of bio-based latex, 10-30% of KOH, 20-50% of sulfur, 2-5% of an accelerator, 1.5-5.5% of an anti-aging agent and 3-6% of zinc oxide. Preferably, the accelerator is at least one selected from 3-methylthiazolidine-thioketone-2, 1- (N-oxydiethylenetriamine thiocarbamoyl) -2- (N-oxydiethylenetriamine) thiobenzimidazole, dibenzothiazyl disulfide and zinc diethyl dithiocarbamate. Preferably, the anti-aging agent is at least one selected from 2, 4-trimethyl-1, 2-dihydroquinoline, N-isopropyl-N-phenyl phenylenediamine and 2,2' -methylenebis- (4-methyl-6-tertiary butyl phenol). In the preferred scheme, in the step B, the all-bio-based blended yarn is obtained by blending bio-based nylon fibers and bio-based spandex. Preferably, the bio-based nylon fiber is at least one selected from the group consisting of bio-based nylon 56 fiber, bio-based nylon 6 fiber and bio-based nylon 66 fiber. Preferably, in step C, the preheating temperature is 35-60 ℃. Preferably, the coagulant is a mixture of methanol or ethanol and any one of calcium nitrate, calcium chloride and zinc chloride. In the preferred scheme, in the step E, the drying temperature is 70-120 ℃ and the drying time is 0.5-3h. In a second aspect, the present invention provides an all bio-based gum glove prepared according to the foregoing method. Compared with the prior art, the invention has the following beneficial effects: The invention prepares the biobased yarn glove blank by adopting the biobased fiber, adopts the biobased latex sizing material containing the biobased latex to carry out gum dipping, adopts the wet material for the vulcanization process configured by the biobased latex to carry out presulfiding, and prepares the full biobased gum dipping glove, and has good wear resistance, cutting performance and flexibility. Detailed Description Unless defined otherwise, technical or scientific terms used in the specification and claims should be given the ordinary meaning as understood by one of ordinary skill in the art to which the application pertains. All numerical values recited herein as being from the lowest value to the highest value refer to all numerical values obtained in increments of one unit between the lowest value and the highest value when there is a difference of more than two units between the lowest value and the highest value. In the following, specific embodiments of the present application will be described, and it should be noted that in the course of the detailed description of these embodiments, it is not possible in the