CN100513118C - Method for fabricating one-off composite glove of nitrile butadiene rubber polyurethane and the use thereof - Google Patents
Method for fabricating one-off composite glove of nitrile butadiene rubber polyurethane and the use thereof Download PDFInfo
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- CN100513118C CN100513118C CNB2006101302095A CN200610130209A CN100513118C CN 100513118 C CN100513118 C CN 100513118C CN B2006101302095 A CNB2006101302095 A CN B2006101302095A CN 200610130209 A CN200610130209 A CN 200610130209A CN 100513118 C CN100513118 C CN 100513118C
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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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B42/00—Surgical gloves; Finger-stalls specially adapted for surgery; Devices for handling or treatment thereof
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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
- B29C41/22—Making multilayered or multicoloured articles
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Abstract
A process for preparing the expendable composite nitrile rubber-polyurethane glove includes generating a layer of nitrile rubber film on a mould, and dipping it in aquatic polyurethane emulsion. The resultant glove has high resistance to oil and bacterial osmosis, high weatherability, and high air and moisture permeability.
Description
Technical field
The present invention relates to its purposes of manufacture method of the compound gloves of a kind of disposable acrylonitrile-butadiene rubber-polyurethane, especially a kind of thickness is below the 0.09mm, and polyurethane accounts for its purposes of manufacture method of the compound gloves of slim disposable acrylonitrile-butadiene rubber-polyurethane of gloves gross weight 5 ~ 10%.
Background technology
Along with improving constantly of people's self-protection consciousness, increasing people uses disposable glove in places such as hospital, food processing, electronic assemblies.The disposable glove of people's use at present mainly contains four kinds on PVC gloves, natural rubber gloves, acrylonitrile butadiene glove and polyurethane gloves etc.The PVC gloves are cheap, but protective is poor, particularly cause " white garbage " problem to environment.It is under-supply that natural rubber gloves is subject to natural material, and the protein allergy problem of price continuous rise, particularly its existence also greatly influences its popularization.Acrylonitrile butadiene glove has good oil-resistant weather-resistant, and good anti-germ permeability is furthermore moderate, thereby more and more is subjected to people's welcome.But blemish in an otherwise perfect thing be the acrylonitrile butadiene glove low elongation time modulus big, adversary's constraint is big, dresses easily tired.Secondly, the acrylonitrile butadiene glove breathable moisture permeability is poor, the long-time infringement hand skin easily of dressing.The polyurethane gloves not only have the good oil-resistant weather-resistant of acrylonitrile butadiene glove, the good infiltrative advantage of anti-germ, and has a saturating moisture performance of high ventilation, but, do not replace the first-selection that acrylonitrile butadiene glove becomes people because the high market share of price is little.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of and adhered to the improved polyurethane of one deck (PU) film in acrylonitrile-butadiene rubber (NBR) basement membrane outside, technology is simple, gloves oil-resistant weather-resistant, disease-resistant bacterium permeability, air-moisture-permeable and wearing comfortableness are good, manufacture method of the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane of reduction gloves leak rate and uses thereof.
In order to address the above problem, the technical solution used in the present invention is: the manufacture method of the compound gloves of a kind of disposable acrylonitrile-butadiene rubber-polyurethane may further comprise the steps successively:
A, according to mold cleaning, soak coagulating agent, for the first time dry, soak butyronitrile latex, oven dry for the second time, preceding leaching, the technology of drying for the third time prepares acrylonitrile butadiene glove;
B, the acrylonitrile butadiene glove of steps A preparation is immersed the aqueous polyurethane emulsion of low modulus performance when having low elongation, dry again, crimping, sulfuration;
C, the gloves of step B preparation are immersed the aqueous polyurethane emulsion with lubrication, dry, the back leaching again, demoulding after drying and post-cure obtain the compound gloves of acrylonitrile-butadiene rubber-polyurethane.
The manufacture method of the compound gloves of described disposable acrylonitrile-butadiene rubber-polyurethane, be to utilize continuous production line, at first on mould, form one deck acrylonitrile-butadiene rubber basement membrane, and then dip-coating aqueous polyurethane emulsion, form polyurethane film in acrylonitrile-butadiene rubber basement membrane outside, the ratio that polyurethane accounts for the gloves gross weight is 3 ~ 15%.
The compound gloves of the disposable acrylonitrile-butadiene rubber-polyurethane stress when percentage elongation 100% that makes is not higher than 1 newton.
Described low when elongation the low modulus performance the film that forms of aqueous polyurethane emulsion, hot strength is not higher than 5MPA during percentage elongation 100%.
In described low when elongation,, the film initial modulus that forms of aqueous polyurethane emulsion of low modulus performance was low, can perfect elasticity stretch, and surrender is arranged.
Described aqueous polyurethane emulsion with low modulus performance when hanging down elongation is that concentration is 2 ~ 8%, pH value 7 ~ 9, and with the aqueous polyurethane emulsion of deionized water dilution, acrylonitrile butadiene glove time of immersion therein is 6 ~ 30 seconds.
Described aqueous polyurethane emulsion with lubrication is the aqueous polyurethane emulsion of organosilicon inarch.
The aqueous polyurethane emulsion of described organosilicon inarch is that concentration is 1 ~ 5%, pH value 7 ~ 9, and with the aqueous polyurethane emulsion of deionized water dilution, acrylonitrile butadiene glove time of immersion therein is 6 ~ 30 seconds.
The manufacture method of the compound gloves of a kind of disposable acrylonitrile-butadiene rubber-polyurethane is specially successively and may further comprise the steps:
A. mold cleaning, successively through overpickling, acid tank pH value 0 ~ 4; Alkali cleaning, alkali groove pH value 9 ~ 13; Hot water wash, 50 ~ 80 ℃ of temperature, amount of makeup water 700 ~ 800KG/H; Under 50 ~ 75 ℃, soaked coagulating agent 30 ~ 50 seconds; Under 100 ~ 150 ℃, dried 70 ~ 120 seconds again; Low whipping speed 13 ~ 18RPM soaked butyronitrile latex 30 ~ 45 seconds again, and Gu 25 ~ 35 ℃ of butyronitrile latex temperature are composition 22 ~ 28%; At 100 ~ 130 ℃, dried 60 ~ 70 seconds again; Then 35 ~ 65 ℃ of water temperatures, under amount of makeup water 600 ~ 800KG/H, preceding leaching 90 ~ 150 seconds; Dried 30 ~ 50 seconds down at 100 ~ 130 ℃ again, obtain acrylonitrile butadiene glove;
B. the acrylonitrile butadiene glove of steps A preparation being immersed concentration is 2 ~ 8%, and temperature is not higher than 50 ℃ the aqueous polyurethane emulsion that has the modulus properties low than conventional urethane when low elongation 6 ~ 8 seconds;
C. the gloves of step B preparation are dried crimping after 60 ~ 70 seconds in 100 ~ 130 ℃ baking oven, in 110 ~ 130 ℃ baking oven, vulcanized 15 ~ 20 minutes again;
D. the gloves of step C preparation being immersed concentration is 1 ~ 5%, and temperature is not higher than 50 ℃ the aqueous polyurethane emulsion with lubrication 6 ~ 8 seconds;
E. the gloves of step D preparation were dried in 110 ~ 130 ℃ baking oven 2 ~ 5 minutes, in 70 ~ 80 ℃ water, carry out back leaching 60 ~ 70 seconds, amount of makeup water 400 ~ 600KG/H then;
F. with the gloves oven dry of step e preparation, the demoulding then through 50 ~ 80 ℃, is packed after 10 ~ 15 minutes the post-cure, makes the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane.
9, the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane of claim 1 or 8 described method preparations are used for industry, family expenses or medical glove.
The invention has the beneficial effects as follows:
1, adheres to one deck polyurethane (PU) film in acrylonitrile-butadiene rubber (NBR) basement membrane outside; because the wet thoroughly function of polyurethane (PU) film high ventilation; improved the breathable moisture permeability of gloves integral body; reduced the quantity of perspiration that produces in the wearing process; both protect skin, improved the wearing comfortableness again.According to test, polyurethane (PU) accounts for the every increase by 1% of ratio of gloves gross weight, and the breathable moisture permeability of gloves integral body improves 3%.
2, improved polyurethane of the present invention (PU) film is to keep on the high fracture strength of conventional urethane (PU) material, the high elongation at tear characteristic basis, reduce its modulus when low elongation (100 ~ 200%), thereby to a certain degree reduce the modulus of gloves integral body when low elongation (100 ~ 200%), reduce to dress adversary's constraint especially for a long time in the wearing process.Thickness 0.0045 ~ the 0.01mm of the improved polyurethane of the present invention (PU) film, polyurethane (PU) accounts for the compound gloves of NBR-PU of gloves gross weight 5 ~ 10%, make full use of the humidification of the high fracture strength high elongation at tear of polyurethane (PU) material characteristic to gloves integral body, gloves thickness descends, dressing intensity does not descend, and adversary's constraint alleviates and manufacturing cost has certain reduction in the wearing process, has good application and economic implications.
3, the manufacture method of the compound gloves of NBR-PU of the present invention has adopted and has at first soaked butyronitrile latex, next soaks the special aqueous polyurethane emulsion that improves modulus function very low when having low elongation of process, soak the aqueous polyurethane emulsion that has lubrication through improving at last, be equivalent to three dip-coatings, than other disposable acrylonitrile butadiene glove manufacturing process, has very low leak rate.
Description of drawings
Fig. 1 is the process chart of the manufacture method of the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane of the present invention.
Fig. 2 is that improved polyurethane and conventional urethane stress strain curve compare A: the load-deformation curve of common PU, B: the load-deformation curve that improves PU.
Fig. 3 be the compound gloves load-deformation curve of the acrylonitrile butadiene glove of palm thickness 0.11mm and NBR-PU that palm thickness 0.08mm of the present invention, polyurethane (PU) account for gloves gross weight 5.44% relatively, C: palm thickness 0.08mm, polyurethane (PU) account for the compound gloves stress strain curve of NBR-PU of gloves gross weight 5.44%, D: palm thickness 0.11mm acrylonitrile butadiene glove stress strain curve.
Fig. 4 is the compound gloves load-deformation curve comparison of NBR-PU that palm thickness 0.11mm acrylonitrile butadiene glove and palm thickness 0.08mm, polyurethane (PU) account for gloves gross weight 5.44%.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
The manufacture method of the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane of the present invention may further comprise the steps successively:
A, according to mold cleaning, soak coagulating agent, for the first time dry, soak butyronitrile latex, oven dry for the second time, preceding leaching, the technology of drying for the third time prepares acrylonitrile butadiene glove;
B, the acrylonitrile butadiene glove of steps A preparation is immersed the aqueous polyurethane emulsion of low modulus performance when having low elongation, dry again, crimping, sulfuration;
C, the gloves of step B preparation are immersed the aqueous polyurethane emulsion with lubrication, dry, the back leaching again, demoulding after drying and post-cure obtain the compound gloves of acrylonitrile-butadiene rubber-polyurethane.
The manufacture method of the compound gloves of described disposable acrylonitrile-butadiene rubber-polyurethane, be to utilize continuous production line, at first on mould, form one deck acrylonitrile-butadiene rubber basement membrane, and then dip-coating aqueous polyurethane emulsion, form polyurethane film in acrylonitrile-butadiene rubber basement membrane outside, the ratio that polyurethane accounts for the gloves gross weight is 3 ~ 15%.The compound gloves of the disposable acrylonitrile-butadiene rubber-polyurethane stress when percentage elongation 100% that makes is not higher than 1 newton.
Described low when elongation the low modulus performance the film that forms of aqueous polyurethane emulsion, hot strength is not higher than 5MPA during percentage elongation 100%.
In described low when elongation,, the film initial modulus that forms of aqueous polyurethane emulsion of low modulus performance was low, can perfect elasticity stretch, and surrender is arranged.The film initial modulus height that the tradition aqueous polyurethane emulsion forms can not perfect elasticity stretch, not surrender.
Described aqueous polyurethane emulsion with low modulus performance when hanging down elongation is that concentration is 2 ~ 8%, pH value 7 ~ 9, and with the aqueous polyurethane emulsion of deionized water dilution, acrylonitrile butadiene glove time of immersion therein is 6 ~ 30 seconds.
Described aqueous polyurethane emulsion with lubrication is the aqueous polyurethane emulsion of organosilicon inarch.
The aqueous polyurethane emulsion of described organosilicon inarch is that concentration is 1 ~ 5%, pH value 7 ~ 9, and with the aqueous polyurethane emulsion of deionized water dilution, acrylonitrile butadiene glove time of immersion therein is 6 ~ 30 seconds.
The compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane of method preparation of the present invention are used for industry, family expenses or medical glove.
Be described in detail below in conjunction with concrete experimental data:
Embodiment 1:
1, dispersion liquid preparation
Sulphur: 12.9Kg
Zinc oxide: 15.48Kg
Accelerant B Z:10.32Kg
Titanium dioxide: 25.8Kg
Dispersant: 4.13Kg
Deionized water: 147Kg
Above material was joined grinding in ball grinder 48 ~ 72 hours, its fineness is controlled at below 10 orders.
2, nitrile compound preparation
Synthomer6311： 2867Kg
KOH (5%) solution: 240Kg
Dispersion liquid: 215.63Kg
Ammoniacal liquor (3% concentration): 258Kg
Blue colorant SS377-1:2Kg
Interleaving agent 56Kg
Deionized water 1613Kg
Above material is sequentially added into joins in the glue jar, stir at a slow speed and put into production line butyronitrile latex groove after 24 ~ 72 hours.Nitrile compound in groove, should at least slowly circulate 2-4 hour to eliminate to start production line behind the bubble in the feed liquid be good.
3, coagulating agent preparation
230Kg calcium nitrate is diluted with the 770Kg deionized water, and add 1Kg wetting agent Demol EP (Japanese Kao), put into production line coagulating agent groove after stirring.
4, the preparation that when low elongation, has the aqueous polyurethane emulsion of the modulus properties low than conventional urethane (PU)
A, adopt the butyronitrile gloves finishing agent B3306 that Boyuan New ﹠ High Material Co., Ltd., Tianjin produces (its main component is: the auxiliary agent of the TDI with 25%, 75% polyester diol and polyether Glycols and 5% synthesizes the aqueous polyurethane emulsion that has the modulus properties low than conventional urethane (PU) when the low elongation by emulsion polymerization);
B, will improve the aqueous polyurethane emulsion 41.67KG that when low elongation, has the modulus properties low especially and be diluted to 500KG with deionized water than conventional urethane (PU).After stirring, put in the production line polyaminoester emulsion 1# groove.
5, the preparation that has the aqueous polyurethane emulsion of lubrication
A, adopt the butyronitrile gloves finishing agent B3301 that Boyuan New ﹠ High Material Co., Ltd., Tianjin produces (its main component is: hydroxy silicon oil with 20% and total amount are 80% TDI and polyethylene glycol synthesize organosilicon inarch by emulsion polymerization aqueous polyurethane emulsion).
B, the aqueous polyurethane emulsion 27.78KG that will have a lubrication are diluted to 500KG with deionized water.After stirring, put in production line polyaminoester emulsion and the functional material 2# groove.
6, production process
Fig. 1 is seen in production procedure
Production process adopts rail mounted production line serialization operation, and key step is as follows,
A, mold cleaning.Pickling, acid tank pH value 0-4.Alkali cleaning, alkali groove pH value 9-13.Hot water wash, temperature 50-80 ℃, amount of makeup water 200-600Kg/H.
B, soak coagulating agent.Temperature 50-75 ℃, time 30-50 second.
C, oven dry.Temperature 100-150 ℃, time 70-120 second.
D, soak butyronitrile latex.Temperature 25-35 ℃, time 30-45 second, mixing speed 13-18RPM.
E, oven dry.Temperature 100-130 ℃, time 60-70 second.
F, preceding leaching.Temperature 35-55 ℃, time 90-150 second, amount of makeup water 600-800Kg/H.
G, oven dry.Temperature 100-130 ℃, time 30-50 second.
H, the aqueous polyurethane emulsion that has the modulus properties low when being immersed in low elongation than conventional urethane (PU).In the running, feed temperature≤50 ℃, immersion liquid time 6-8 second.
I, oven dry.Temperature 100-130 ℃, time 60-70 second.
J, crimping.
K, sulfuration.Temperature 110-130 ℃, time 15-20 minute.
L, soak aqueous polyurethane emulsion with lubrication.In the running, feed temperature≤50 ℃, immersion liquid time 6-8 second.
M, back leaching.Temperature 70-80 ℃, time 60-70 second, amount of makeup water 400-600Kg/H.
N, demoulding after drying.
O, post-cure.The use roller dryer carries out, and temperature 65-75 ℃, time 20-25 minute.
P, packing.
Embodiment 2:
1, dispersion liquid preparation
Sulphur: 12.9Kg
Zinc oxide: 15.48Kg
Accelerant B Z:10.32Kg
Titanium dioxide: 25.8Kg
Dispersant: 4.13Kg
Deionized water: 147Kg
Above material was joined grinding in ball grinder 48 ~ 72 hours, its fineness is controlled at below 10 orders.
2, nitrile compound preparation
Synthomer6311： 2867Kg
KOH (5%) solution: 240Kg
Dispersion liquid: 215.63Kg
Ammoniacal liquor (3% concentration): 258Kg
Blue colorant SS377-1:2Kg
Interleaving agent 56Kg
Deionized water 1855Kg
Above material is sequentially added into joins in the glue jar, stir at a slow speed and put into production line butyronitrile latex groove after 24 ~ 72 hours.Nitrile compound in groove, should at least slowly circulate 2-4 hour to eliminate to start production line behind the bubble in the feed liquid be good.
3, coagulating agent preparation
250Kg calcium nitrate is diluted with the 750Kg deionized water, and add 1Kg wetting agent Demol EP (Japanese Kao), put into production line coagulating agent groove after stirring.
4, the preparation that when low elongation, has the aqueous polyurethane emulsion of the modulus properties low than conventional urethane (PU)
A, adopt the butyronitrile gloves finishing agent B3306 that Boyuan New ﹠ High Material Co., Ltd., Tianjin produces (its main component is: the auxiliary agent of the TDI with 25%, 75% polyester diol and polyether Glycols and 5% synthesizes the aqueous polyurethane emulsion liquid that has the modulus properties low than conventional urethane (PU) when the low elongation by emulsion polymerization)
B, will improve the aqueous polyurethane emulsion 50.00KG that when low elongation, has the modulus properties low especially and be diluted to 500KG with deionized water than conventional urethane (PU).After stirring, put in the production line polyaminoester emulsion 1# groove
5, the preparation that has the aqueous polyurethane emulsion of lubrication
A, adopt the butyronitrile gloves finishing agent B3301 that Boyuan New ﹠ High Material Co., Ltd., Tianjin produces (its main component is: hydroxy silicon oil with 20% and total amount are 80% TDI and polyethylene glycol synthesize organosilicon inarch by emulsion polymerization aqueous polyurethane emulsion).
B, the aqueous polyurethane emulsion 27.78KG that will have a lubrication are diluted to 500KG with deionized water.After stirring, put in production line polyaminoester emulsion and the functional material 2# groove.
6, production process
With embodiment 1
Embodiment 3:
1, dispersion liquid preparation
Sulphur: 12.9Kg
Zinc oxide: 15.48Kg
Accelerant B Z:10.32Kg
Titanium dioxide: 25.8Kg
Dispersant: 4.13Kg
Deionized water: 147Kg
Above material was joined grinding in ball grinder 48 ~ 72 hours, its fineness is controlled at below 10 orders.
2, nitrile compound preparation
Synthomer6311： 2867Kg
KOH (5%) solution: 240Kg
Dispersion liquid: 215.63Kg
Ammoniacal liquor (3% concentration): 258Kg
Blue colorant SS377-1:2Kg
Interleaving agent 56Kg
Deionized water 2100Kg
Above material is sequentially added into joins in the glue jar, stir at a slow speed and put into production line butyronitrile latex groove after 24 ~ 72 hours.Nitrile compound in groove, should at least slowly circulate 2-4 hour to eliminate to start production line behind the bubble in the feed liquid be good.
3, coagulating agent preparation
280Kg calcium nitrate is diluted with the 720Kg deionized water, and add 1Kg wetting agent Demol EP (Japanese Kao), put into production line coagulating agent groove after stirring.
4, the preparation that when low elongation, has the aqueous polyurethane emulsion of the modulus properties low than conventional urethane (PU)
A, adopt the butyronitrile gloves finishing agent B3306 that Boyuan New ﹠ High Material Co., Ltd., Tianjin produces (its main component is: the auxiliary agent of the TDI with 25%, 75% polyester diol and polyether Glycols and 5% synthesizes the aqueous polyurethane emulsion that has the modulus properties low than conventional urethane (PU) when the low elongation by emulsion polymerization)
B, will improve the aqueous polyurethane emulsion 62.50KG that when low elongation, has the modulus properties low especially and be diluted to 500KG with deionized water than conventional urethane (PU).After stirring, put in the production line polyaminoester emulsion 1# groove
5, the preparation that has the aqueous polyurethane emulsion of lubrication
A, adopt the butyronitrile gloves finishing agent B3301 that Boyuan New ﹠ High Material Co., Ltd., Tianjin produces (its main component is: hydroxy silicon oil with 20% and total amount are 80% TDI and polyethylene glycol synthesize organosilicon inarch by emulsion polymerization aqueous polyurethane emulsion).
B, the aqueous polyurethane emulsion 27.78KG that will have a lubrication are diluted to 500KG with deionized water.After stirring, put in production line polyaminoester emulsion and the functional material 2# groove.6, production process
With embodiment 1
According to embodiment 1,2, the 3 compound gloves parameters of NBR-PU of making see the following form
Improved polyurethane (PU) is relatively seen Fig. 2 with conventional urethane (PU) stress strain curve.Palm thickness 0.11m acrylonitrile butadiene glove and palm thickness 0.08mm, polyurethane (PU) account for the compound gloves load-deformation curve of NBR-PU of gloves gross weight 5.44% and relatively see Fig. 3 and Fig. 4.The phenomenon that stress raise rapidly when there be not low elongation in improved as can be seen from Figure 2 polyurethane (PU).The fracture strength (MPA) and the acrylonitrile butadiene glove of the compound gloves of NBR-PU of the present invention as can be seen from Figure 3 are suitable substantially, meet the ASTM standard-required.But the compound gloves of NBR-PU of the present invention as can be seen from Figure 4 are starkly lower than acrylonitrile butadiene glove in the hot strength of percentage elongation 100 ~ 150% o'clock, and this binding force that shows adversary in the wearing process obviously reduces.
In sum, the disposable acrylonitrile-butadiene rubber of the present invention (NBR)-compound gloves of polyurethane (PU) are meant in acrylonitrile-butadiene rubber basement membrane outside and adhere to the improved polyurethane film of one deck again, with the acrylonitrile-butadiene rubber basement membrane is the main skeletons of gloves, with improved polyurethane film as the wearing face.The compound gloves of NBR-PU of the present invention had both kept the good oil-resistant weather-resistant of acrylonitrile-butadiene rubber, good disease-resistant bacterium permeability and suitable price, has the distinctive air-moisture-permeable function of polyurethane (PU) again, it is to be noted that improved polyurethane (PU) has not only kept the traditional high fracture strength high elongation at tear of polyurethane (PU), and have the character of modulus very low when low elongation, alleviated the constraint of adversary in the wearing process.Particularly below the gloves thickness 0.09mm, the compound gloves of slim NBR-PU that polyurethane (PU) accounts for gloves gross weight 5 ~ 10% had both had These characteristics, the more traditional acrylonitrile butadiene glove of production cost also has certain reduction, will accept for increasing people, and market potential is very big.
In sum, content of the present invention is not limited in the above-described embodiment, and the knowledgeable people in the same area can propose other embodiment easily within technological guidance's thought of the present invention, but this embodiment comprises within the scope of the present invention.
Claims (7)
1, the manufacture method of the compound gloves of a kind of disposable acrylonitrile-butadiene rubber-polyurethane may further comprise the steps successively:
A, according to mold cleaning, soak coagulating agent, for the first time dry, soak butyronitrile latex, oven dry for the second time, preceding leaching, the technology of drying for the third time prepares acrylonitrile butadiene glove;
B, the acrylonitrile butadiene glove of steps A preparation is immersed concentration is 2 ~ 8%, and pH value 7 ~ 9 with behind the formation film of deionized water dilution during percentage elongation 100%, after hot strength is not higher than the aqueous polyurethane emulsion of 5MPa, is dried, crimping, sulfuration again;
C, the gloves of step B preparation are immersed the aqueous polyurethane emulsion of organosilicon inarch, dry, the back leaching again, demoulding after drying and post-cure obtain the compound gloves of acrylonitrile-butadiene rubber-polyurethane.
2, the manufacture method of the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane according to claim 1, it is characterized in that, be to utilize continuous production line, at first on mould, form one deck acrylonitrile-butadiene rubber basement membrane, and then dip-coating aqueous polyurethane emulsion, form polyurethane film in acrylonitrile-butadiene rubber basement membrane outside, the ratio that polyurethane accounts for the gloves gross weight is 3 ~ 15%.
3, the manufacture method of the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane according to claim 1 is characterized in that, the compound gloves of the disposable acrylonitrile-butadiene rubber-polyurethane stress when percentage elongation 100% that makes is not higher than 1 newton.
4, the manufacture method of the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane according to claim 1 is characterized in that, described step B acrylonitrile butadiene glove time of immersion in aqueous polyurethane emulsion is 6 ~ 30 seconds.
5, the manufacture method of the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane according to claim 1, it is characterized in that, the aqueous polyurethane emulsion of described organosilicon inarch is that concentration is 1 ~ 5%, pH value 7 ~ 9, with the aqueous polyurethane emulsion of deionized water dilution, acrylonitrile butadiene glove time of immersion therein is 6 ~ 30 seconds.
6, the manufacture method of the compound gloves of a kind of disposable acrylonitrile-butadiene rubber-polyurethane may further comprise the steps successively:
A. mold cleaning, successively through overpickling, acid tank pH value 0 ~ 4; Alkali cleaning, alkali groove pH value 9 ~ 13; Hot water wash, 50 ~ 80 ℃ of temperature, amount of makeup water 700 ~ 800KG/H; Under 50 ~ 75 ℃, soaked coagulating agent 30 ~ 50 seconds; Under 100 ~ 150 ℃, dried 70 ~ 120 seconds again; Low whipping speed 13 ~ 18RPM soaked butyronitrile latex 30 ~ 45 seconds again, and Gu 25 ~ 35 ℃ of butyronitrile latex temperature are composition 22 ~ 28%; At 100 ~ 130 ℃, dried 60 ~ 70 seconds again; Then 35 ~ 65 ℃ of water temperatures, under amount of makeup water 600 ~ 800KG/H, preceding leaching 90 ~ 150 seconds; Dried 30 ~ 50 seconds down at 100 ~ 130 ℃ again, obtain acrylonitrile butadiene glove;
B. the acrylonitrile butadiene glove of steps A preparation being immersed concentration is 2 ~ 8%, and after temperature was not higher than 50 ℃ formation film, hot strength was not higher than the aqueous polyurethane emulsion 6 ~ 8 seconds of 5MPa during percentage elongation 100%;
C. the gloves of step B preparation are dried crimping after 60 ~ 70 seconds in 100 ~ 130 ℃ baking oven, in 110 ~ 130 ℃ baking oven, vulcanized 15 ~ 20 minutes again;
D. the gloves of step C preparation being immersed concentration is 1 ~ 5%, and temperature is not higher than the aqueous polyurethane emulsion 6 ~ 8 seconds of 50 ℃ organosilicon inarch;
E. the gloves of step D preparation were dried in 110 ~ 130 ℃ baking oven 2 ~ 5 minutes, in 70 ~ 80 ℃ water, carry out back leaching 60 ~ 70 seconds, amount of makeup water 400 ~ 600KG/H then;
F. with the gloves oven dry of step e preparation, the demoulding then through 50 ~ 80 ℃, is packed after 10 ~ 15 minutes the post-cure, makes the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane.
7, the compound gloves of disposable acrylonitrile-butadiene rubber-polyurethane of claim 1 or 6 described method preparations are used for industry, family expenses or medical glove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101302095A CN100513118C (en) | 2006-12-15 | 2006-12-15 | Method for fabricating one-off composite glove of nitrile butadiene rubber polyurethane and the use thereof |
| PCT/CN2007/002152 WO2008071053A1 (en) | 2006-12-15 | 2007-07-13 | A method for making a disposable acrylonitrile-butadiene-polyurethane composite glove and a use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101302095A CN100513118C (en) | 2006-12-15 | 2006-12-15 | Method for fabricating one-off composite glove of nitrile butadiene rubber polyurethane and the use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101003165A CN101003165A (en) | 2007-07-25 |
| CN100513118C true CN100513118C (en) | 2009-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101302095A Expired - Fee Related CN100513118C (en) | 2006-12-15 | 2006-12-15 | Method for fabricating one-off composite glove of nitrile butadiene rubber polyurethane and the use thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100513118C (en) |
| WO (1) | WO2008071053A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347272A (en) * | 2008-08-22 | 2009-01-21 | 桂林乳胶厂 | Gloves for household with butyronitrile and natural rubber composite velvet inside |
| CN101347271A (en) * | 2008-08-22 | 2009-01-21 | 桂林乳胶厂 | Gloves for household with butyronitrile and natural rubber composite velvet inside |
| CN102641004B (en) * | 2012-05-12 | 2013-10-16 | 蔡瑞琳 | Flocking latex gloves and production method thereof |
| CN102825699A (en) * | 2012-09-14 | 2012-12-19 | 江苏尤佳手套有限公司 | Disposable 4G highly elastic gloves processing process |
| CN104738838B (en) * | 2013-12-25 | 2018-04-06 | 南通强生安全防护科技股份有限公司 | Water-based PU coated gloves production method |
| CN103976490B (en) * | 2014-04-14 | 2016-01-20 | 山东星宇手套有限公司 | The preparation method of the wear-resisting dipped gloves of a kind of butyronitrile |
| CN106894239A (en) * | 2017-03-16 | 2017-06-27 | 江苏工程职业技术学院 | A kind of fade-proof method during polyamide fibre fluorescein emgloves impregnation |
| CN109354731A (en) * | 2018-09-23 | 2019-02-19 | 南通嘉得利安全用品有限公司 | A kind of antistatic protective gloves and preparation method thereof |
| CN112812261B (en) * | 2020-12-30 | 2022-08-19 | 广东金发科技有限公司 | Waterborne polyurethane emulsion, nitrile rubber-polyurethane composite glove and preparation method thereof |
| CN113057395A (en) * | 2021-03-09 | 2021-07-02 | 牛剑科技有限公司 | Waterborne polyurethane high-elasticity butyronitrile gloves |
| CN113492480A (en) * | 2021-07-01 | 2021-10-12 | 东台市华亿手套有限公司 | Process for synthesizing butyronitrile glove coagulant |
| CN113999440B (en) * | 2021-10-22 | 2023-08-01 | 南京瑞润新材料科技有限公司 | Manufacturing method of medical latex glove with high elasticity and breakage resistance |
| CN115521517B (en) * | 2022-09-27 | 2023-09-08 | 浙江康隆达特种防护科技股份有限公司 | Functional modification of regenerated rubber material and application of regenerated rubber material in safety gloves |
| CN115521606B (en) * | 2022-09-29 | 2023-10-31 | 广东金发科技有限公司 | Polyurethane composition, butyronitrile glove and preparation method of butyronitrile glove |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195607A (en) * | 1997-04-04 | 1998-10-14 | 上海佳旺工业有限公司 | Non-dusting secondary immersion method of PVC gum gloves |
-
2006
- 2006-12-15 CN CNB2006101302095A patent/CN100513118C/en not_active Expired - Fee Related
-
2007
- 2007-07-13 WO PCT/CN2007/002152 patent/WO2008071053A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN101003165A (en) | 2007-07-25 |
| WO2008071053A1 (en) | 2008-06-19 |
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