CN214992192U - Coagulant-free knitted glove blank for gum dipping glove - Google Patents
Coagulant-free knitted glove blank for gum dipping glove Download PDFInfo
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- CN214992192U CN214992192U CN202121295263.1U CN202121295263U CN214992192U CN 214992192 U CN214992192 U CN 214992192U CN 202121295263 U CN202121295263 U CN 202121295263U CN 214992192 U CN214992192 U CN 214992192U
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Abstract
The utility model relates to a coagulant-free knitted glove blank for a gum dipping glove, which comprises a glove blank body, wherein the glove blank body is formed by interweaving inner layer yarns and outer layer yarns, and the outer layer yarns are polyester yarns or polyamide yarns; the inner layer yarn is strong hygroscopic yarn, or hydrophobic yarn or yarn with hydrophobic property after being treated. The utility model provides a knitting gloves embryo can prepare gumming coating gloves and can not take place to glue through the phenomenon under the condition of not steeping coagulant, reduces production processes and coagulant cost, improves the production environment. In addition, the glove blank has the advantages of low production cost, rapid mass production, good wear resistance and the like.
Description
Technical Field
The utility model relates to a labor protection glove technical field, concretely relates to coagulant-free knitted glove blank for gum dipping gloves.
Background
The production process of the existing gum dipping labor protection gloves comprises the steps of dipping glove blanks into natural latex sizing materials or butyronitrile latex sizing materials and the like, drying and vulcanizing after dipping to obtain the gum dipping gloves. However, the knitted glove blank cannot be directly dipped with latex sizing materials because of the large holes, but is dipped with a coagulant after being heated to a certain temperature in advance and then dipped with the latex sizing materials. The coagulant can promote the fast coagulation and filming of the rubber material contacting the glove blank and prevent the problems of penetrated rubber (the rubber material penetrates into the inner side of the glove blank) and hard glove (the coating is thick and uneven due to the penetrated rubber). The knitted chemical fiber glove blank has the advantages of low cost, rapid mass production, softness, good elasticity, wear resistance and the like, but a coagulant used in the production process is a methanol solution of calcium nitrate/calcium chloride. In the actual production process, the coagulant is large in using amount and heavy in smell, potential safety hazard factors exist, the working environment is influenced, and air is polluted.
Therefore, the development of a novel coagulant-free knitted glove blank for the gum dipping glove has important significance.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In view of the above-mentioned shortcoming, the deficiency of prior art, the utility model provides a solidification agent-free knitted glove blank for gumming glove can prepare gumming coating gloves and can not take place to glue through the phenomenon under the condition of not steeping solidification agent, reduces production processes and solidification agent cost, improves production environment.
(II) technical scheme
In order to achieve the above object, the utility model discloses a main technical scheme include:
a coagulant-free knitted glove blank for a gum dipping glove comprises a glove blank body, wherein the glove blank body is formed by interweaving inner layer yarns and outer layer yarns, and the outer layer yarns are polyester yarns or polyamide yarns; the inner layer yarn is strong hygroscopic yarn, or hydrophobic yarn or yarn with hydrophobic property after being treated.
Preferably, the inner layer yarns comprise 25-68 wt.% and the outer layer yarns comprise 25-67 wt.% of the glove blank body.
Preferably, the inner layer yarn is a three-proofing yarn.
The polyester yarn is 75D-300D polyester yarn; the nylon yarn is 70D-210D nylon yarn.
Preferably, the outer layer yarn is composed of 1-4 polyester yarns or nylon yarns.
Preferably, the inner layer yarn is composed of 1-4 75D-300D three-proofing yarns.
Preferably, the strong moisture absorption yarn is cotton yarn or viscose yarn or cotton/viscose blended yarn.
Preferably, the fineness of the cotton yarn, viscose yarn or cotton/viscose blended yarn is 21s or 32 s.
Preferably, the glove blank body is woven by a glove machine by adopting a common weaving method or a U2 weaving method.
Preferably, the glove blank further comprises elastic threads, and the elastic threads are woven on the glove blank body in a one-by-one mode. Specifically, the elastic threads can be knitted on the glove blank body in a mode of alternately knitting high and low needles or in a mode of alternately knitting flat needles, so that the flexibility and the wearing suitability of the glove blank are improved.
Preferably, the elastic thread is white elastic thread, preferably 95# or 110# white elastic thread.
Preferably, the glove embryo is 32.1g to 40.4g per pair of glove embryos.
In the process of weaving the glove blank body, a 15-needle middle-size glove machine is adopted for weaving, and the technological parameters are as follows: 80-86 circles of little finger, 100-104 circles of ring finger, 106-112 circles of middle finger, 98-104 circles of index finger, 50-56 circles of little palm, 80-84 circles of thumb, 50-54 circles of big palm and 88-96 circles of hand neck.
Or a 10-needle large-size glove knitting machine is adopted for knitting, and the technological parameters are as follows: 34-40 circles of little finger, 46-56 circles of ring finger, 54-60 circles of middle finger, 48-54 circles of index finger, 20-22 circles of little palm, 40-44 circles of thumb, 14-16 circles of big palm and 50-54 circles of hand neck.
Latex compounds in this application refer to various types of rubber latex compounds dispersed in water.
(III) advantageous effects
The utility model provides a pair of coagulant-free knitted glove blank for gum dipping glove, it adopts glove machine and yarn to weave and obtains, and its outer yarn is common, is used for making the wear-resisting chemical fiber of glove blank, and the inlayer yarn is moisture absorption coagulant yarn or has the yarn that prevents water-based latex infiltration function. Specifically, the outer layer yarn is 'polyester yarn or nylon yarn', the two yarns are common chemical fibers, and the polyester yarn or the nylon yarn has the advantages of low cost, softness, good elasticity, good wear resistance, corrosion resistance and the like, and also has certain moisture absorption. The inner layer is hydrophobic yarn or yarn with hydrophobic property after treatment, and due to the hydrophobicity prevention of the inner layer yarn, the phenomenon of glue penetration can be avoided when water-based glue materials such as natural latex or nitrile latex and the like are directly soaked under the condition of not soaking in a coagulant. Because the outer layer yarn has certain hygroscopicity, the interface between the glove blank and the rubber material is solidified to a certain degree and coated with rubber by slightly prolonging the gum dipping time, and the gum dipping process is completed. And drying and vulcanizing at high temperature to obtain the gum dipping coated glove.
In addition, if the inner layer is made of the yarn with strong hygroscopicity (such as cotton yarn or viscose yarn), the rubber can be rapidly solidified on the surface of the glove blank due to the strong hygroscopicity, and the glove blank can be directly dipped into conventional natural latex or nitrile-butadiene latex rubber without being dipped into a coagulant.
The utility model discloses a coagulant-free knitted glove blank for impregnated glove does not need the impregnated coagulant, therefore has the environmental protection efficiency, and impregnated glove by its preparation has excellent hand safeguard function, wearability and wears ventilative travelling comfort.
Drawings
Fig. 1 is a schematic sectional view of the glove blank body of the present invention.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
As shown in fig. 1, the coagulation agent-free knitted glove blank for the gum dipping glove of the present invention comprises a glove blank body 10, wherein the glove blank body is formed by interweaving inner layer yarns 11 and outer layer yarns 12. Wherein, the outer layer yarn 12 is polyester yarn or chinlon yarn. The inner layer yarn 11 is a strong hygroscopic yarn, or a hydrophobic yarn or a yarn with hydrophobic property after being treated.
Preferably, the polyester yarn is 75D-300D; the nylon yarn is 70D-210D nylon yarn.
Preferably, the outer layer yarn 12 is formed by paralleling 1-4 terylene yarns or 1-4 chinlon yarns.
Preferably, the knitted glove blank further comprises an elastic thread for increasing the flexibility and wearing suitability of the glove blank, and the elastic thread is knitted on the glove blank body 10 in a manner of one-by-one by flat knitting or high-low knitting. The elastic thread is white elastic thread, preferably 95# or 110# white elastic thread.
Wherein the inner layer yarn 11 comprises 25-68 wt.% and the outer layer yarn comprises 25-67 wt.% of the entire glove blank. The glove blank body 10 is knitted by a common knitting method or a U2 knitting method by a 13-needle or 15-needle glove knitting machine. In the process of knitting the glove blank body 10, white elastic threads are knitted in a mode of alternately knitting high and low needles/plain needles one by one, and finally the glove blank is obtained into 22.0-44.0 g/auxiliary glove blank.
In the process of weaving the glove blank body, a 15-needle middle-size glove knitting machine can be adopted for knitting, a U2 knitting method or a common knitting method is adopted for knitting, and the technological parameters are as follows: 80-86 circles of little finger, 100-104 circles of ring finger, 106-112 circles of middle finger, 98-104 circles of index finger, 50-56 circles of little palm, 80-84 circles of thumb, 50-54 circles of big palm and 88-96 circles of hand neck.
Two cases can be divided with respect to the inner layer yarn 11:
the first method comprises the following steps: the inner layer yarn 11 is a strong moisture absorption yarn, mainly refers to cotton yarn, viscose yarn or cotton/viscose blended yarn. Wherein the fineness of the cotton yarn is 21s or 32s cotton yarn; the fineness of the viscose yarn is 21s or 32s viscose yarn.
And the second method comprises the following steps: the inner layer yarn 11 is hydrophobic yarn or processed yarn with hydrophobic property is three-proofing yarn. Specifically, the inner layer yarn 11 is formed by 1-4 75D-300D three-proofing yarns in parallel.
The three-proofing yarn has the functions of water resistance, oil resistance and stain resistance. The three-proofing yarn inner core is a fiber substrate, and a waterproof nanometer film layer is coated outside the three-proofing yarn inner core. The three-proofing yarn is formed by erecting nano fluff on the surface of fiber by using a skin-core composite spinning technology and a bionic lotus leaf effect, so that the yarn has three-proofing performance.
The following respectively describes the principle why the glove blank can be directly dipped without dipping in a coagulant and without glue penetration when the inner layer yarn 11 is cotton yarn or viscose yarn or three-proofing yarn.
When the inner layer yarn 11 is a strong hygroscopic yarn such as cotton yarn, viscose yarn or cotton/viscose blended yarn, the natural latex or nitrile latex rubber material is dehydrated at the contact interface due to the absorption of moisture in the rubber material when contacting with the glove blank due to the strong hygroscopicity, so that a rubber material solidified film is formed, and the rubber material solidified film can prevent rubber penetration. The outer layer yarn 12 is polyester yarn or nylon yarn, which also has certain water absorption and can assist the moisture absorption of the inner layer yarn 11. In addition, the terylene or chinlon yarns have the advantages of low cost, good flexibility and elasticity, good wear resistance, corrosion resistance and the like, have better wear resistance compared with the single use of cotton yarns or viscose yarns, and improve the strength of glove products.
When the inner layer yarn 11 is the three-prevention yarn, the three-prevention yarn has the characteristic that a plurality of piles on the lotus leaf-like surface are generated on the surface of the three-prevention yarn at high temperature, so that after the glove blank is obtained by co-weaving the three-prevention yarn and the outer layer yarn 12 (polyester or nylon), the glove blank is subjected to heat preservation at the temperature of 100 ℃ and 160 ℃ for 3-20min, after the high-temperature treatment, the lotus leaf-like pile surface is formed on the surface of the three-prevention yarn, the lotus leaf-like pile surface has strong water-resistant permeability (anti-wetting property), the water-based latex rubber material can be prevented from further permeating into the inner side of the glove blank, and the effect of preventing rubber permeation is achieved. However, if the lotus leaf-like fluff surface of the three-proofing yarn is directly exposed on the surface of the glove blank (i.e. the whole glove blank body is woven by the three-proofing yarn), it is difficult to hang a continuous adhesive film on the surface of the glove blank due to poor wettability.
To further illustrate the technical effects of the present solution, the following is a specific embodiment of the present invention.
Example 1
A method for manufacturing a coagulant-free knitted glove blank for a gum dipping glove comprises the following steps:
knitting by a 15-needle middle-size glove knitting machine, knitting by a U2 knitting method, knitting 1 piece of 300D three-proofing yarn on the inner side, accounting for 62% of the total mass of the glove blank, and knitting 2 pieces of 75D polyester yarn on the outer side, accounting for 29% of the total mass of the glove blank; knitting 110# white elastic threads (accounting for 9% of the total mass of the glove blank) in a mode of alternately knitting high and low needles one by one, and finally obtaining the glove blank with the total mass of 34.5 g/pair. In the process of weaving the gloves, the specific process parameters are as follows: 80 circles of little finger, 100 circles of ring finger, 108 circles of middle finger, 98 circles of index finger, 50 circles of little palm, 80 circles of thumb, 50 circles of big palm and 88 circles of hand neck.
And (3) insulating the glove blank in a high-temperature 100 ℃ oven for 20min to ensure that the inner layer of the glove blank has waterproof and anti-adhesive effects.
Example 2
A method for manufacturing a coagulant-free knitted glove blank for a gum dipping glove comprises the following steps:
knitting by a 15-needle middle-size glove knitting machine, knitting by a U2 knitting method, knitting 2 pieces of 75D three-proofing yarns on the inner side, accounting for 31% of the total mass of the glove blank, and knitting 1 piece of 300D polyester yarns on the outer side, accounting for 60% of the total mass of the glove blank; knitting 110# white elastic threads (accounting for 9% of the total mass of the glove blank) in a mode of alternately knitting high and low needles one by one, and finally obtaining the glove blank with the total mass of 33.2 g/pair. In the process of weaving the gloves, the specific process parameters are as follows: 80 circles of little finger, 102 circles of ring finger, 106 circles of middle finger, 100 circles of index finger, 52 circles of little palm, 82 circles of thumb, 54 circles of big palm and 90 circles of hand neck.
And (3) insulating the glove blank in an oven at a high temperature of 130 ℃ for 10min to ensure that the inner layer of the glove blank has waterproof and anti-adhesive effects.
Example 3
A method for manufacturing a coagulant-free knitted glove blank for a gum dipping glove comprises the following steps:
knitting by a 15-needle middle-size glove knitting machine, knitting by a U2 knitting method, knitting 1 piece of 150D three-proofing yarn on the inner side, wherein the three-proofing yarn accounts for 25% of the total mass of the glove blank, and knitting 3 pieces of 150D polyester yarn on the outer side, wherein the three-proofing yarn accounts for 67% of the total mass of the glove blank; knitting 110# white elastic threads (accounting for 8% of the total mass of the glove blank) in a mode of alternately knitting high and low needles one by one, and finally obtaining the glove blank with the total mass of 36.4 g/pair. In the process of weaving the gloves, the specific process parameters are as follows: 82 circles of little finger, 104 circles of ring finger, 112 circles of middle finger, 104 circles of index finger, 56 circles of little palm, 84 circles of thumb, 54 circles of big palm and 96 circles of hand neck.
And (3) insulating the glove blank in a high-temperature 160 ℃ oven for 6min to ensure that the inner layer of the glove blank has waterproof and anti-adhesive effects.
Example 4
A method for manufacturing a coagulant-free knitted glove blank for a gum dipping glove comprises the following steps:
knitting by a 15-needle middle-size glove knitting machine, knitting by a U2 knitting method, knitting 1 piece of 150D three-proofing yarn on the inner side, accounting for 30% of the total mass of the glove blank, and knitting 2 pieces of 140D polyester yarn on the outer side, accounting for 61% of the total mass of the glove blank; knitting 110# white elastic threads (accounting for 9% of the total mass of the glove blank) in a mode of alternately knitting high and low needles one by one, and finally obtaining the glove blank with the total mass of 32.1 g/pair. In the process of weaving the gloves, the specific process parameters are as follows: 80 circles of little finger, 100 circles of ring finger, 110 circles of middle finger, 102 circles of index finger, 54 circles of little palm, 80 circles of thumb, 52 circles of big palm and 94 circles of hand neck.
And (3) insulating the glove blank in a high-temperature oven at 70 ℃ for 10min to ensure that the inner layer of the glove blank has waterproof and anti-adhesive effects.
Example 5
A method for manufacturing a coagulant-free knitted glove blank for a gum dipping glove comprises the following steps:
knitting by a 10-needle middle-size glove knitting machine and a U2 knitting method, wherein the inner side is knitted by 4 pieces of 21s cotton yarn and accounts for 65% of the total mass of the glove blank, and the outer side is knitted by 2 pieces of 70D nylon yarn and accounts for 28% of the total mass of the glove blank; knitting 95# white elastic threads (accounting for 7% of the total mass of the glove blank) in a mode of one-by-one high-low needle interval, and finally obtaining the glove blank with the total mass of 40.4 g/pair.
In the process of weaving the gloves, the specific process parameters are as follows: 40 circles of little finger, 56 circles of ring finger, 60 circles of middle finger, 54 circles of index finger, 20 circles of little palm, 44 circles of thumb, 16 circles of big palm and 54 circles of hand neck.
Example 6
A method for manufacturing a coagulant-free knitted glove blank for a gum dipping glove comprises the following steps:
knitting by a 10-needle middle-size glove knitting machine and a U2 knitting method, wherein the inner side is knitted by 4 pieces of 21s viscose yarn and accounts for 68% of the total mass of the glove blank, and the outer side is knitted by 1 piece of 150D polyester yarn and accounts for 25% of the total mass of the glove blank; knitting 95# white elastic threads (accounting for 7% of the total mass of the glove blank) in a mode of one-by-one high-low needle interval, and finally obtaining the glove blank with the total mass of 39.2 g/pair.
In the process of weaving the gloves, the specific process parameters are as follows: 38 circles of little finger, 50 circles of ring finger, 56 circles of middle finger, 50 circles of index finger, 20 circles of little palm, 40 circles of thumb, 14 circles of big palm and 52 circles of hand neck.
Example 7
A method for manufacturing a coagulant-free knitted glove blank for a gum dipping glove comprises the following steps:
the glove is knitted by a 10-needle middle glove knitting machine and a U2 knitting method, wherein the inner side of the glove is 6 cotton/viscose blended yarns which account for 70 percent of the total mass of the glove blank, and the outer side of the glove is knitted by 1 210D nylon yarn which accounts for 22 percent of the total mass of the glove blank; knitting 95# white elastic threads (accounting for 8 percent of the total mass of the glove blank) in a mode of alternately knitting high and low needles one by one, and finally obtaining the glove blank with the total mass of 39.2 g/pair.
In the process of weaving the gloves, the specific process parameters are as follows: 34 circles of little finger, 46 circles of ring finger, 54 circles of middle finger, 48 circles of index finger, 22 circles of little palm, 38 circles of thumb, 14 circles of big palm and 50 circles of hand neck.
The glove blanks prepared in examples 1-7 above were dipped in a natural latex compound prepared as follows:
(1) the sulfur, the vulcanization accelerator DZ and the zinc oxide are mixed in advance according to the mass ratio of 5: 2: adding the mixture into a ball mill according to the proportion of 6, and grinding for 6 h.
(2) 0.8 part of casein and 0.6 part of potassium hydroxide were added to the latex in 100 parts by mass of a natural latex (containing 40% of rubber) and dispersed for 45 min.
(3) And (3) adding the mixed system obtained in the step (1) into the latex prepared in the step (2), wherein the temperature of the latex system is controlled at 48 ℃.
(4) And (4) continuously dispersing the latex rubber material obtained in the step (3) for 4 hours.
(5) And (3) adding 0.5% of color paste, 1% of titanium dioxide, 0.5% of anti-sticking agent, 0.5% of stabilizer and 1% of thickening agent into the latex rubber prepared in the step (4), and dispersing into a uniform system.
The glove blanks were observed for incorporation into conventional natural latex, as shown in Table 1.
TABLE 1
The glove blanks prepared in examples 1-7 above were dipped in a nitrile latex compound, which was prepared as follows:
(1) and (3) mixing sulfur, an accelerant DZ and zinc oxide in advance according to a mass ratio of 3: 2: 5, adding the mixture into a ball mill for grinding for 6 hours.
(2) And adding 0.6 part of potassium hydroxide and 0.5 part of defoaming agent into the nitrile-butadiene latex (with the solid content of 44%) 100 parts by mass, and dispersing for 20 min.
(3) And (3) adding the mixed system obtained in the step (1) into the latex prepared in the step (2), wherein the temperature of the latex system is controlled at 30 ℃.
(4) And (4) continuously dispersing the latex rubber material obtained in the step (3) for 6 hours.
(5) And (3) adding 0.5% of color paste, 1% of titanium dioxide, 0.5% of anti-sticking agent, 0.5% of stabilizer and 1% of thickening agent into the latex rubber prepared in the step (4), and dispersing into a uniform system.
The combination of the glove blanks with the nitrile latex compound was observed, and the specific phenomena are shown in Table 2.
TABLE 2
In examples 1 to 4, the inner layer yarn 11 is a three-proofing yarn, and the surface of the three-proofing yarn after high-temperature treatment forms a lotus leaf-like surface, and the inner layer of the glove blank has water-proof permeability, so that even if the semi-dipped glove is manufactured, the part not covered by the glue surface can play a certain water-proof permeability function due to the effect of the three-proofing yarn. Examples 5-7 the inner layer yarn had a strong water absorbency and the outer layer yarn had a certain water absorbency, so that the surface of the sizing material in contact with the glove blank was dehydrated and solidified.
After the glove blanks prepared in the embodiments 1 to 7 are soaked in natural latex, the abrasion resistance of the glove blanks is tested and can reach EN388 abrasion resistance level 3; after the nitrile latex is dipped, the abrasion resistance is tested and can reach EN388 abrasion resistance level 4.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A coagulant-free knitted glove blank for a gum dipping glove is characterized by comprising a glove blank body, wherein the glove blank body is formed by interweaving inner layer yarns and outer layer yarns, and the outer layer yarns are polyester yarns or polyamide yarns; the inner layer yarn is strong hygroscopic yarn, or hydrophobic yarn or yarn with hydrophobic property after being treated.
2. The coagulant-free knitted glove blank according to claim 1, wherein the inner layer yarns comprise 25 to 68 wt.% and the outer layer yarns comprise 25 to 67 wt.% of the glove blank.
3. The coagulant-free knitted glove blank for a gum dipping glove of claim 1, wherein the inner layer yarn is a three-proof yarn.
4. The coagulant-free knitted glove blank for a gum dipping glove of claim 1, wherein the polyester yarn is 75D to 300D; the nylon yarn is 70D-210D nylon yarn.
5. The coagulant-free knitted glove blank for a gum dipping glove of claim 3, wherein the outer layer yarn is composed of 1-4 polyester yarns or nylon yarns.
6. The coagulant-free knitted glove blank for a gum dipping glove of claim 3, wherein the inner layer yarn is composed of 1-4 three-proof yarns of 75D-300D.
7. The coagulant-free knitted glove blank for a gum dipping glove of claim 1, wherein the strongly hygroscopic yarn is a cotton yarn, a viscose yarn or a cotton/viscose blended yarn.
8. The coagulant-free knitted glove blank for gum dipping gloves according to claim 7, wherein the fineness of the cotton yarn, viscose yarn or cotton/viscose blended yarn is 21s or 32 s.
9. The coagulant-free knitted glove blank for a gum dipping glove of claim 1, wherein the glove blank body is knitted by a glove knitting machine by a common knitting method or a U2 knitting method.
10. The coagulant-free knitted glove blank for a gum dipping glove of claim 1, wherein the glove blank further comprises elastic threads, and the elastic threads are knitted on the glove blank body one by one at intervals.
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| CN202121295263.1U CN214992192U (en) | 2021-06-10 | 2021-06-10 | Coagulant-free knitted glove blank for gum dipping glove |
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| CN202121295263.1U CN214992192U (en) | 2021-06-10 | 2021-06-10 | Coagulant-free knitted glove blank for gum dipping glove |
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