CN111472091A - Three-dimensional facial mask non-woven fabric and manufacturing method thereof - Google Patents
Three-dimensional facial mask non-woven fabric and manufacturing method thereof Download PDFInfo
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- CN111472091A CN111472091A CN202010376303.9A CN202010376303A CN111472091A CN 111472091 A CN111472091 A CN 111472091A CN 202010376303 A CN202010376303 A CN 202010376303A CN 111472091 A CN111472091 A CN 111472091A
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- polypropylene
- calcium carbonate
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- woven fabric
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- 230000001815 facial effect Effects 0.000 title claims abstract description 42
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 68
- -1 polypropylene Polymers 0.000 claims abstract description 68
- 239000004743 Polypropylene Substances 0.000 claims abstract description 42
- 229920001155 polypropylene Polymers 0.000 claims abstract description 42
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 34
- 239000002667 nucleating agent Substances 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 24
- 239000000806 elastomer Substances 0.000 claims abstract description 24
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 46
- 239000011265 semifinished product Substances 0.000 claims description 36
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 34
- 238000009987 spinning Methods 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 24
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 18
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 claims description 12
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000000047 product Substances 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000006081 fluorescent whitening agent Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000012768 molten material Substances 0.000 claims description 6
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920001451 polypropylene glycol Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 231100000252 nontoxic Toxicity 0.000 claims description 5
- 230000003000 nontoxic effect Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000004750 melt-blown nonwoven Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000002425 crystallisation Methods 0.000 abstract 2
- 230000008025 crystallization Effects 0.000 abstract 2
- 235000011187 glycerol Nutrition 0.000 description 5
- BBJZBUKUEUXKDJ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)-n-[1-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoylamino]hexyl]propanamide Chemical compound C=1C(C(C)(C)C)=C(O)C(C(C)(C)C)=CC=1CCC(=O)NC(CCCCC)NC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BBJZBUKUEUXKDJ-UHFFFAOYSA-N 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a three-dimensional facial mask non-woven fabric and a manufacturing method thereof, and relates to the technical field of non-woven fabrics. A three-dimensional facial mask non-woven fabric is prepared from the following raw materials in parts by weight: 60-80 wt% of polypropylene, 2.0-10.0 wt% of POE elastomer, 5.0-10.0 wt% of calcium carbonate, 0.1-0.3 wt% of nucleating agent, 0.5-1.0wt% of dispersing agent, 0.5-3.0 wt% of antioxidant and 0.1-0.5 wt% of hydrophilic auxiliary agent, wherein the calcium carbonate is nano calcium carbonate, and the particle diameter of the calcium carbonate is 1-10 microns. According to the invention, the crystallization degree of polypropylene can be increased by adding the nucleating agent, and the rigidity and the strength of the polypropylene are increased after the crystallization degree of the polypropylene is increased, so that the prepared melt-blown non-woven fabric has excellent setting capability, the production cost of the non-woven fabric is reduced by adding calcium carbonate, and meanwhile, the calcium carbonate has a certain reinforcing effect on the polypropylene, so that the strength of the polypropylene non-woven fabric is improved.
Description
Technical Field
The invention relates to the technical field of non-woven fabrics, in particular to a three-dimensional facial mask non-woven fabric and a manufacturing method thereof.
Background
The facial masks in the market at present are various in types, so the facial masks are classified according to textures, the facial masks can be roughly classified into three types, namely mud-shaped facial masks, membrane-shaped facial masks and maintenance facial masks, the facial masks are classified according to using methods, the facial masks can be classified into two types, namely uncovering facial masks and washing facial masks, the facial masks are classified according to effects, the facial masks can be roughly classified into deep cleaning facial masks, moisturizing facial masks, firming facial masks, whitening facial masks and the like, the facial masks are classified according to shapes, and the facial masks can be classified into two types, namely flat facial masks and three-dimensional facial masks.
The three-dimensional facial mask is easy to be attached to the face due to the three-dimensional structure of the three-dimensional facial mask, and is very convenient to operate, so that the three-dimensional facial mask is popular with facial mask users, but when the three-dimensional facial mask non-woven fabric used at present bears too much liquid essence, the three-dimensional structure cannot be shaped and maintained for a long time, and certain trouble can be brought to consumers using the facial mask.
Disclosure of Invention
The invention aims to provide a three-dimensional facial mask non-woven fabric and a manufacturing method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a three-dimensional facial mask non-woven fabric is prepared from the following raw materials in parts by weight: 60-80 wt% of polypropylene, 2.0-10.0 wt% of POE elastomer, 5.0-10.0 wt% of calcium carbonate, 0.1-0.3 wt% of nucleating agent, 0.5-1.0wt% of dispersing agent, 0.5-3.0 wt% of antioxidant and 0.1-0.5 wt% of hydrophilic auxiliary agent, wherein the calcium carbonate is nano calcium carbonate, the particle diameter of the calcium carbonate is 1-10 microns, and the nucleating agent is a mixture of nontoxic substituted aryl phosphate salt nucleating agent and other organic auxiliary nucleating agents.
Furthermore, the polypropylene is H1500 transparent high temperature resistant injection grade polypropylene model, and the POE elastomer is 7020F L melt-blown fabric POE model.
Still further, the dispersant is one or more of propylene glycol block polyester, fluorescent whitening agent and polyoxypropylene polyoxyethylene copolymer, and the hydrophilic auxiliary agent is one or more of 1, 3-propylene glycol, glycerin and 12-14 mixed alcohol.
Still further, the antioxidant is a mixture of one or more of tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, tris [2, 4-di-tert-butylphenyl ] phosphite, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine, p-cresol and dicyclopentadiene butyl compounds.
Further, the preparation process is as follows:
s1: sequentially adding polypropylene and POE elastomer into a high-speed stirrer, and performing low-speed cooling mixing and stirring at the speed of 100-200r/min at the temperature of 60-80 ℃ for 5-10 minutes to obtain a mixture A;
s2: sequentially adding calcium carbonate, a dispersing agent, a nucleating agent and an antioxidant into the mixture A in sequence, and carrying out high-speed hot mixing and stirring for 10-20 minutes at the speed of 800-;
s3: adding the mixture B into a double-screw extruder device, heating the mixture B to a molten state by adopting the double-screw extruder device, filtering and removing impurities in the molten material by using a filtering device, and uniformly spraying the material to a spinning template through spinning holes to form a reticular semi-finished product C;
s4: rapidly cooling and shaping the reticular semi-finished product C by using cooling equipment, and uniformly spraying a hydrophilic auxiliary agent on the surface of the reticular semi-finished product C by using spraying equipment after the reticular semi-finished product C on the spinning template is fully cooled to obtain a semi-finished product D;
s5: and taking down the semi-finished product D from the spinning template and carrying out appropriate treatment to obtain a finished product.
Further, the polypropylene and POE elastomer were cold-blended using a high-speed blender as mentioned in the step S1, and the blending mass was 200 kg and 600 kg.
Furthermore, the model of the twin-screw extruder used in the step S3 is a 50-type parallel twin-screw extruder, the extrusion temperature range of the twin-screw extruder is set to 180-.
Further, the spray equipment in the step S4 should be a plunger type spray equipment having a metering function, the spray amount thereof being set to 12 to 16 liters/hour, and the spray pressure thereof being set to 1 to 2 MPa.
Compared with the prior art, the invention has the beneficial effects that:
(1) the addition of the nucleating agent can increase the crystallinity of polypropylene, and the rigidity and the strength of the polypropylene are increased after the crystallinity of the polypropylene is increased, so that the prepared melt-blown non-woven fabric has excellent shaping capacity.
(2) The utility model provides a three-dimensional facial mask non-woven fabrics and preparation method thereof, through the interpolation of calcium carbonate, realize reducing the manufacturing cost of non-woven fabrics, calcium carbonate has certain reinforcing effect to polypropylene still simultaneously, improves the intensity of polypropylene non-woven fabrics, through the interpolation of POE elastomer, has realized improving product toughness by a wide margin under the prerequisite that can sacrifice a small amount of polypropylene non-woven fabrics intensity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a three-dimensional facial mask non-woven fabric is prepared from the following raw materials in parts by weight: 70 wt% of polypropylene, 5.0 wt% of POE elastomer, 5.0 wt% of calcium carbonate, 0.2 wt% of nucleating agent, 0.6wt% of dispersant, 0.6wt% of antioxidant and 0.3 wt% of hydrophilic auxiliary agent, wherein the calcium carbonate is nano calcium carbonate, the particle diameter of the nano calcium carbonate is 1-10 microns, and the nucleating agent is a mixture of nontoxic substituted aryl phosphate nucleating agent and other organic auxiliary nucleating agents.
The polypropylene is H1500 transparent high temperature resistant injection molding grade polypropylene model, and the POE elastomer is 7020F L melt-blown fabric POE model.
The dispersing agent is a blend of 50% of propylene glycol block polyester, 30% of fluorescent whitening agent and 20% of polyoxypropylene polyoxyethylene copolymer, and the hydrophilic auxiliary agent is a mixture of 10% of 1, 3-propylene glycol, 10% of glycerol and 80% of 12-14 mixed alcohol.
The antioxidant was a mixture of 10% pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 10% tris [2, 4-di-tert-butylphenyl ] phosphite, 10% N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and 70% p-cresol and dicyclopentadiene butyl compounds.
The preparation process comprises the following steps:
s1: sequentially adding polypropylene and POE elastomer into a high-speed stirrer, and performing low-speed cooling mixing and stirring at the speed of 100r/min for 8 minutes at 70 ℃ to obtain a mixture A;
s2: sequentially adding calcium carbonate, a dispersing agent, a nucleating agent and an antioxidant into the mixture A in sequence, and carrying out high-speed hot mixing and stirring for 15 minutes at the speed of 900r/min at the temperature of 100 ℃ to obtain a mixture B;
s3: adding the mixture B into a double-screw extruder device, heating the mixture B to a molten state by adopting the double-screw extruder device, filtering and removing impurities in the molten material by using a filtering device, and uniformly spraying the material to a spinning template through spinning holes to form a reticular semi-finished product C;
s4: rapidly cooling and shaping the reticular semi-finished product C by using cooling equipment, and uniformly spraying a hydrophilic auxiliary agent on the surface of the reticular semi-finished product C by using spraying equipment after the reticular semi-finished product C on the spinning template is fully cooled to obtain a semi-finished product D;
s5: and taking down the semi-finished product D from the spinning template and carrying out appropriate treatment to obtain a finished product.
The polypropylene and POE elastomer were cold-blended using a high-speed blender as mentioned in the step S1, and the blended mass was 400 kg.
The model of the double-screw extruder used in the step S3 is a 50-model parallel double-screw extruder, the extrusion temperature of the double-screw extruder is set to be 220 ℃, meanwhile, the rotating speed of the double-screw extruder is set to be 550r/min, and the mesh number of filter screens used in the filter device is 1200 meshes.
The spray equipment in the step S4 should be a plunger type spray equipment having a metering function, with the spray amount set to 14 liters/hour and the spray pressure set to 1.5 mpa.
Example two:
a three-dimensional facial mask non-woven fabric is prepared from the following raw materials in parts by weight: 70 wt% of polypropylene, 5.0 wt% of POE elastomer, 5.0 wt% of calcium carbonate, 0.6wt% of dispersant, 0.6wt% of antioxidant and 0.3 wt% of hydrophilic auxiliary agent, wherein the calcium carbonate is nano calcium carbonate, and the particle diameter of the nano calcium carbonate is 1-10 microns.
The polypropylene is H1500 transparent high temperature resistant injection molding grade polypropylene model, and the POE elastomer is 7020F L melt-blown fabric POE model.
The dispersing agent is a blend of 50% of propylene glycol block polyester, 30% of fluorescent whitening agent and 20% of polyoxypropylene polyoxyethylene copolymer, and the hydrophilic auxiliary agent is a mixture of 10% of 1, 3-propylene glycol, 10% of glycerol and 80% of 12-14 mixed alcohol.
The antioxidant was a mixture of 10% pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 10% tris [2, 4-di-tert-butylphenyl ] phosphite, 10% N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and 70% p-cresol and dicyclopentadiene butyl compounds.
The preparation process comprises the following steps:
s1: sequentially adding polypropylene and POE elastomer into a high-speed stirrer, and performing low-speed cooling mixing and stirring at the speed of 100r/min for 8 minutes at 70 ℃ to obtain a mixture A;
s2: sequentially adding calcium carbonate, a dispersing agent and an antioxidant into the mixture A in sequence, and carrying out high-speed hot mixing and stirring for 15 minutes at the speed of 900r/min at the temperature of 100 ℃ to obtain a mixture B;
s3: adding the mixture B into a double-screw extruder device, heating the mixture B to a molten state by adopting the double-screw extruder device, filtering and removing impurities in the molten material by using a filtering device, and uniformly spraying the material to a spinning template through spinning holes to form a reticular semi-finished product C;
s4: rapidly cooling and shaping the reticular semi-finished product C by using cooling equipment, and uniformly spraying a hydrophilic auxiliary agent on the surface of the reticular semi-finished product C by using spraying equipment after the reticular semi-finished product C on the spinning template is fully cooled to obtain a semi-finished product D;
s5: and taking down the semi-finished product D from the spinning template and carrying out appropriate treatment to obtain a finished product.
The polypropylene and POE elastomer were cold-blended using a high-speed blender as mentioned in the step S1, and the blended mass was 400 kg.
The model of the double-screw extruder used in the step S3 is a 50-model parallel double-screw extruder, the extrusion temperature of the double-screw extruder is set to be 220 ℃, meanwhile, the rotating speed of the double-screw extruder is set to be 550r/min, and the mesh number of filter screens used in the filter device is 1200 meshes.
The spray equipment in the step S4 should be a plunger type spray equipment having a metering function, with the spray amount set to 14 liters/hour and the spray pressure set to 1.5 mpa.
Example three:
a three-dimensional facial mask non-woven fabric is prepared from the following raw materials in parts by weight: 70 wt% of polypropylene, 5.0 wt% of calcium carbonate, 0.2 wt% of nucleating agent, 0.6wt% of dispersing agent, 0.6wt% of antioxidant and 0.3 wt% of hydrophilic auxiliary agent, wherein the calcium carbonate is nano calcium carbonate, the particle diameter of the calcium carbonate is 1-10 microns, and the nucleating agent is a mixture of nontoxic substituted aryl phosphate nucleating agent and other organic auxiliary nucleating agents.
The polypropylene is H1500 transparent high temperature resistant injection molding grade polypropylene type.
The dispersing agent is a blend of 50% of propylene glycol block polyester, 30% of fluorescent whitening agent and 20% of polyoxypropylene polyoxyethylene copolymer, and the hydrophilic auxiliary agent is a mixture of 10% of 1, 3-propylene glycol, 10% of glycerol and 80% of 12-14 mixed alcohol.
The antioxidant was a mixture of 10% pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 10% tris [2, 4-di-tert-butylphenyl ] phosphite, 10% N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and 70% p-cresol and dicyclopentadiene butyl compounds.
The preparation process comprises the following steps:
s1: adding polypropylene into a high-speed stirrer, and performing low-speed cooling mixing and stirring at the speed of 100r/min for 8 minutes at 70 ℃ to obtain a mixture A;
s2: sequentially adding calcium carbonate, a dispersing agent, a nucleating agent and an antioxidant into the mixture A in sequence, and carrying out high-speed hot mixing and stirring for 15 minutes at the speed of 900r/min at the temperature of 100 ℃ to obtain a mixture B;
s3: adding the mixture B into a double-screw extruder device, heating the mixture B to a molten state by adopting the double-screw extruder device, filtering and removing impurities in the molten material by using a filtering device, and uniformly spraying the material to a spinning template through spinning holes to form a reticular semi-finished product C;
s4: rapidly cooling and shaping the reticular semi-finished product C by using cooling equipment, and uniformly spraying a hydrophilic auxiliary agent on the surface of the reticular semi-finished product C by using spraying equipment after the reticular semi-finished product C on the spinning template is fully cooled to obtain a semi-finished product D;
s5: and taking down the semi-finished product D from the spinning template and carrying out appropriate treatment to obtain a finished product.
The polypropylene and POE elastomer were cold-blended using a high-speed blender as mentioned in the step S1, and the blended mass was 400 kg.
The model of the double-screw extruder used in the step S3 is a 50-model parallel double-screw extruder, the extrusion temperature of the double-screw extruder is set to be 220 ℃, meanwhile, the rotating speed of the double-screw extruder is set to be 550r/min, and the mesh number of filter screens used in the filter device is 1200 meshes.
The spray equipment in the step S4 should be a plunger type spray equipment having a metering function, with the spray amount set to 14 liters/hour and the spray pressure set to 1.5 mpa.
Example four:
a three-dimensional facial mask non-woven fabric is prepared from the following raw materials in parts by weight: 70 wt% of polypropylene, 5.0 wt% of POE elastomer, 0.2 wt% of nucleating agent, 0.6wt% of dispersing agent, 0.6wt% of antioxidant and 0.3 wt% of hydrophilic auxiliary agent, wherein the nucleating agent is a mixture of nontoxic substituted aryl phosphate nucleating agent and other organic auxiliary nucleating agents.
The polypropylene is H1500 transparent high temperature resistant injection molding grade polypropylene model, and the POE elastomer is 7020F L melt-blown fabric POE model.
The dispersing agent is a blend of 50% of propylene glycol block polyester, 30% of fluorescent whitening agent and 20% of polyoxypropylene polyoxyethylene copolymer, and the hydrophilic auxiliary agent is a mixture of 10% of 1, 3-propylene glycol, 10% of glycerol and 80% of 12-14 mixed alcohol.
The antioxidant was a mixture of 10% pentaerythritol tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 10% tris [2, 4-di-tert-butylphenyl ] phosphite, 10% N, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine and 70% p-cresol and dicyclopentadiene butyl compounds.
The preparation process comprises the following steps:
s1: sequentially adding polypropylene and POE elastomer into a high-speed stirrer, and performing low-speed cooling mixing and stirring at the speed of 100r/min for 8 minutes at 70 ℃ to obtain a mixture A;
s2: sequentially adding a dispersing agent, a nucleating agent and an antioxidant into the mixture A in sequence, and carrying out high-speed hot mixing and stirring for 15 minutes at the speed of 900r/min at the temperature of 100 ℃ to obtain a mixture B;
s3: adding the mixture B into a double-screw extruder device, heating the mixture B to a molten state by adopting the double-screw extruder device, filtering and removing impurities in the molten material by using a filtering device, and uniformly spraying the material to a spinning template through spinning holes to form a reticular semi-finished product C;
s4: rapidly cooling and shaping the reticular semi-finished product C by using cooling equipment, and uniformly spraying a hydrophilic auxiliary agent on the surface of the reticular semi-finished product C by using spraying equipment after the reticular semi-finished product C on the spinning template is fully cooled to obtain a semi-finished product D;
s5: and taking down the semi-finished product D from the spinning template and carrying out appropriate treatment to obtain a finished product.
The polypropylene and POE elastomer were cold-blended using a high-speed blender as mentioned in the step S1, and the blended mass was 400 kg.
The model of the double-screw extruder used in the step S3 is a 50-model parallel double-screw extruder, the extrusion temperature of the double-screw extruder is set to be 220 ℃, meanwhile, the rotating speed of the double-screw extruder is set to be 550r/min, and the mesh number of filter screens used in the filter device is 1200 meshes.
The spray equipment in the step S4 should be a plunger type spray equipment having a metering function, with the spray amount set to 14 liters/hour and the spray pressure set to 1.5 mpa.
Comparative example one:
the nucleating agent, calcium carbonate and POE elastomer are removed, and the other components and the preparation method are the same as the first embodiment.
The above are examples and comparative examples.
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 (8)
1. A three-dimensional facial mask non-woven fabric is characterized in that: the feed is prepared from the following raw materials in parts by weight: 60-80 wt% of polypropylene, 2.0-10.0 wt% of POE elastomer, 5.0-10.0 wt% of calcium carbonate, 0.1-0.3 wt% of nucleating agent, 0.5-1.0wt% of dispersing agent, 0.5-3.0 wt% of antioxidant and 0.1-0.5 wt% of hydrophilic auxiliary agent, wherein the calcium carbonate is nano calcium carbonate, the particle diameter of the calcium carbonate is 1-10 microns, and the nucleating agent is a mixture of nontoxic substituted aryl phosphate salt nucleating agent and other organic auxiliary nucleating agents.
2. The three-dimensional facial mask non-woven fabric and the manufacturing method thereof as claimed in claim 1, wherein the polypropylene is H1500 transparent high temperature resistant injection grade polypropylene type, and the POE elastomer is 7020F L melt-blown fabric POE type.
3. The three-dimensional facial mask nonwoven fabric and the manufacturing method thereof according to claim 1, wherein: the dispersing agent is one or more of propylene glycol block polyester, fluorescent whitening agent and polyoxypropylene polyoxyethylene copolymer, and the hydrophilic auxiliary agent is one or more of 1, 3-propylene glycol, glycerol and 12-14 mixed alcohol.
4. The three-dimensional structure mask nonwoven fabric and the manufacturing method thereof according to claim 1, wherein the antioxidant is one or more of tetrakis [ β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] pentaerythritol ester, tris [2, 4-di-tert-butylphenyl ] phosphite, N' -bis- (3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexanediamine, p-cresol, and dicyclopentadiene butyl compound.
5. A method for manufacturing a three-dimensional facial mask non-woven fabric is characterized by comprising the following steps: the preparation process comprises the following steps:
s1: sequentially adding polypropylene and POE elastomer into a high-speed stirrer, and performing low-speed cooling mixing and stirring at the speed of 100-200r/min at the temperature of 60-80 ℃ for 5-10 minutes to obtain a mixture A;
s2: sequentially adding calcium carbonate, a dispersing agent, a nucleating agent and an antioxidant into the mixture A in sequence, and carrying out high-speed hot mixing and stirring for 10-20 minutes at the speed of 800-;
s3: adding the mixture B into a double-screw extruder device, heating the mixture B to a molten state by adopting the double-screw extruder device, filtering and removing impurities in the molten material by using a filtering device, and uniformly spraying the material to a spinning template through spinning holes to form a reticular semi-finished product C;
s4: rapidly cooling and shaping the reticular semi-finished product C by using cooling equipment, and uniformly spraying a hydrophilic auxiliary agent on the surface of the reticular semi-finished product C by using spraying equipment after the reticular semi-finished product C on the spinning template is fully cooled to obtain a semi-finished product D;
s5: and taking down the semi-finished product D from the spinning template and carrying out appropriate treatment to obtain a finished product.
6. The method for manufacturing a mask nonwoven fabric having a three-dimensional structure according to claim 5, wherein: the polypropylene and POE elastomer were cold-blended using a high-speed blender as mentioned in the step S1, and the blending mass was 200 kg and 600 kg.
7. The method for manufacturing a mask nonwoven fabric having a three-dimensional structure according to claim 5, wherein: the model of the double-screw extruder used in the step S3 is a 50-type parallel double-screw extruder, the extrusion temperature range set by the double-screw extruder is 180-.
8. The method for manufacturing a mask nonwoven fabric having a three-dimensional structure according to claim 5, wherein: the spray equipment in the step S4 should be a plunger type spray equipment having a metering function, the spray amount of which is set to 12-16 liters/hour, and the spray pressure of which is set to 1-2 MPa.
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Cited By (1)
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Application publication date: 20200731 |