CN116120670B - Super-soft polypropylene material with flocking effect and preparation method thereof - Google Patents
Super-soft polypropylene material with flocking effect and preparation method thereof Download PDFInfo
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- CN116120670B CN116120670B CN202211632651.3A CN202211632651A CN116120670B CN 116120670 B CN116120670 B CN 116120670B CN 202211632651 A CN202211632651 A CN 202211632651A CN 116120670 B CN116120670 B CN 116120670B
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- polypropylene material
- fiber fluff
- superfine fiber
- cationic surfactant
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- -1 polypropylene Polymers 0.000 title claims abstract description 65
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 59
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 45
- 230000000694 effects Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 51
- 229910052613 tourmaline Inorganic materials 0.000 claims abstract description 18
- 239000011032 tourmaline Substances 0.000 claims abstract description 18
- 229940070527 tourmaline Drugs 0.000 claims abstract description 18
- 229920006124 polyolefin elastomer Polymers 0.000 claims abstract description 15
- 239000003093 cationic surfactant Substances 0.000 claims description 25
- 229920001577 copolymer Polymers 0.000 claims description 11
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 239000000314 lubricant Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 229920001410 Microfiber Polymers 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 6
- 125000000623 heterocyclic group Chemical group 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- IDIJOAIHTRIPRC-UHFFFAOYSA-J hexaaluminum;sodium;2,2,4,4,6,6,8,8,10,10,12,12-dodecaoxido-1,3,5,7,9,11-hexaoxa-2,4,6,8,10,12-hexasilacyclododecane;iron(2+);triborate;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Na+].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Fe+2].[Fe+2].[Fe+2].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-][Si]1([O-])O[Si]([O-])([O-])O[Si]([O-])([O-])O[Si]([O-])([O-])O[Si]([O-])([O-])O[Si]([O-])([O-])O1 IDIJOAIHTRIPRC-UHFFFAOYSA-J 0.000 claims description 4
- 229910000246 schorl Inorganic materials 0.000 claims description 4
- 229920006052 Chinlon® Polymers 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229920004933 Terylene® Polymers 0.000 claims description 2
- 229920006221 acetate fiber Polymers 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 8
- 230000003078 antioxidant effect Effects 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000004753 textile Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 239000004605 External Lubricant Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 229940116335 lauramide Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- OCXRVDQYXZSPBP-UHFFFAOYSA-N 2-(16-chlorohexadecyl)pyridine Chemical compound ClCCCCCCCCCCCCCCCCC1=CC=CC=N1 OCXRVDQYXZSPBP-UHFFFAOYSA-N 0.000 description 1
- OBFSQMXGZIYMMN-UHFFFAOYSA-N 3-chloro-2-hexadecylpyridine Chemical compound CCCCCCCCCCCCCCCCC1=NC=CC=C1Cl OBFSQMXGZIYMMN-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 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 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- SXPWTBGAZSPLHA-UHFFFAOYSA-M cetalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SXPWTBGAZSPLHA-UHFFFAOYSA-M 0.000 description 1
- 229960000228 cetalkonium chloride Drugs 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- PFKRTWCFCOUBHS-UHFFFAOYSA-N dimethyl(octadecyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[NH+](C)C PFKRTWCFCOUBHS-UHFFFAOYSA-N 0.000 description 1
- KGOGNDXXUVELIQ-UHFFFAOYSA-N dioctadecylazanium;chloride Chemical compound Cl.CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC KGOGNDXXUVELIQ-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 229910000245 dravite Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- RNYJXPUAFDFIQJ-UHFFFAOYSA-N hydron;octadecan-1-amine;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[NH3+] RNYJXPUAFDFIQJ-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- POPVULPQMGGUMJ-UHFFFAOYSA-N octasilsesquioxane cage Chemical compound O1[SiH](O[SiH](O2)O[SiH](O3)O4)O[SiH]4O[SiH]4O[SiH]1O[SiH]2O[SiH]3O4 POPVULPQMGGUMJ-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 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 description 1
- 239000002245 particle Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 239000002453 shampoo Substances 0.000 description 1
- SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to a super-soft polypropylene material with a flocking effect and a preparation method thereof. The polypropylene material comprises the following components in parts by weight: 45-65 parts of polypropylene; 20-40 parts of polyolefin elastomer; 5-8 parts of treated superfine fiber fluff; 5-10 parts of tourmaline. The polypropylene material has good flocking effect and softness.
Description
Technical Field
The invention belongs to the technical field of polypropylene materials, and particularly relates to a super-soft polypropylene material with a flocking effect and a preparation method thereof.
Background
The polypropylene material has excellent mechanical property, chemical resistance, recoverability and the like, and also has good processability, plasticity and design, so the polypropylene material is widely used in daily production and is the most widely applied general plastic. However, in the packaging industry, the rigid plastic feel of polypropylene is evident, affecting the consumer's visual and tactile experience.
In general, flocking is often performed on the surface of the package in order to improve the visual and tactile quality of the packaged ornaments. The material surface has certain matte and bionic effects in vision, and the hard texture of the material is reduced in touch sense, so that a soft effect is achieved, and the requirements of customers are met.
Chinese patent CN 113861561a discloses a flocking-imitating polypropylene composite material, its preparation method and application, the material comprises the following raw materials (by weight portion): 40-70 parts of polypropylene, 5-20 parts of elastomer, 5-25 parts of glass fiber, 0.2-5 parts of polyester fiber, 1-10 parts of negative ion powder, 0.5-5 parts of compatilizer, 0.1-0.5 part of lubricant, 0.2-1 part of antioxidant and 0.1-0.5 part of weather-resistant agent; by adding the elastomer and the polyester fiber into the polypropylene material, the visual and soft touch effect similar to flocking is achieved, the plastic feel and glossiness of the material are greatly reduced, in addition, the introduction of the anion powder which is released efficiently can release a large amount of anions with small particle size for a long time, the effects of resisting bacteria, removing smell and dust, degrading harmful VOC in the environment and the like are achieved, and the method has wide application prospects in automotive interior products. Although the technology has a certain flocking prevention effect, the effect is not quite obvious, and meanwhile, the technology does not realize a truly good touch feeling, and the plastic feel is quite obvious.
Disclosure of Invention
The invention aims to provide a super-soft polypropylene material with a flocking effect and a preparation method thereof, so as to overcome the defects of poor flocking effect and softness of the polypropylene material in the prior art.
The invention provides a super-soft polypropylene material with a flocking effect, which comprises the following components in parts by weight:
the treated superfine fiber fluff comprises superfine fiber fluff and a cationic surfactant coated on the surface of the superfine fiber fluff.
Preferably, the polypropylene material comprises the following components in parts by weight:
preferably, the polypropylene has a melt index of 20-70g/10min at 230 ℃ under 2.16 kg. The melt finger test standard is GB/T3682.1-2018.
Preferably, the polypropylene is a block copolymerized polypropylene.
Preferably, the polyolefin elastomer comprises one or more of ethylene-butene copolymer, ethylene-octene copolymer, and ethylene-propylene copolymer.
Preferably, the polyolefin elastomer has a melt index of 0.5 to 3g/10min at 190℃at 2.16 kg. The melt finger test standard is GB/T3682.1-2018.
Preferably, the cationic surfactant accounts for 1 to 5 per mill of the weight of the superfine fiber fluff.
Preferably, the method for preparing the treated ultrafine fiber fluff comprises the following steps: dissolving cationic surfactant in water to obtain water solution with mass concentration of 3-5%, soaking superfine fiber fluff in the water solution, taking out, spin-drying, and drying. The weight ratio of the cationic surfactant in the treated fiber fluff is calculated by the formula [ (D-D)/D ] ×1000%o ] from the weight D of the dried fiber fluff and the weight D of the fiber fluff before treatment.
Preferably, the soaking time is 10-15min.
Preferably, the drying temperature is 90-95 ℃ and the drying time is 2-3h.
Preferably, the cationic surfactant comprises one or more of alkylamine salt type cationic surfactant, quaternary ammonium salt type cationic surfactant and heterocyclic type cationic surfactant.
Preferably, the alkylamine salt type cationic surfactant comprises one or more of primary amine salts (such as octadecylamine hydrochloride and sodium lauramide), secondary amine salts (such as dioctadecyl amine hydrochloride) and tertiary amine salts (such as N, N-dimethyl octadecylamine hydrochloride).
Preferably, the quaternary ammonium salt type cationic surfactant comprises one or more of octadecyl dimethyl benzyl ammonium chloride, hexadecyl dimethyl benzyl ammonium chloride and poly quaternary ammonium salt type cationic high molecular polymers.
Preferably, the heterocyclic cationic surfactant comprises one or more of pyridine type (such as chlorohexadecylpyridine), morpholine type (such as 1-4-oxazacyclohexane), imidazole type (such as m-diazapentene).
Preferably, the superfine fiber fluff comprises one or more of terylene, chinlon and acetate fiber.
Preferably, the treated superfine fiber has a fluff length of 0.5-0.8mm and a fineness of 1-2d. The superfine fiber fluff length and fineness refer to the same length and fineness of superfine fiber fluff treated by the raw materials in the polypropylene material at the end of the product, because the superfine, ultrashort and super-softness of the fiber fluff are basically unchanged after being extruded by a double-screw extruder.
Preferably, the tourmaline comprises dravite and/or schorl. Tourmaline has a molecular formula of NaR 3 Al 6 [Si 6 O 18 ][BO 3 ] 3 (OH,F) 4 Wherein R is Mg 2+ 、Fe 2+ In the process, the tourmaline and the schorl are respectively adopted.
Preferably, the polypropylene material further comprises 0-3 parts of other auxiliary agents.
Preferably, the further auxiliary agent comprises an antioxidant and/or a lubricant.
Preferably, the antioxidant is 0.2-0.5 parts by weight.
Preferably, the antioxidant comprises one or more of phenolic antioxidants, phosphorous acid antioxidants and thioester antioxidants.
Preferably, the lubricant is 1-2 parts by weight.
Preferably, the lubricant includes an external lubricant, and more preferably, the external lubricant includes one or more of an amide-based lubricant and a silicone-based lubricant.
The invention also provides a preparation method of the super-soft polypropylene material with the flocking effect, which comprises the following steps:
mixing all components except the treated superfine fiber fluff, adding the obtained premix and the treated superfine fiber fluff into a double-screw extruder, extruding and granulating to obtain the ultra-soft polypropylene material with flocking effect.
Preferably, the mixing time is 4-6min.
Preferably, the extrusion temperature is 200-230 ℃; the screw speed of the twin-screw extruder is 450-550HZ.
Preferably, the resulting premix and treated microfiber fluff are fed into a twin screw extruder through a main feed port, a side feed port, respectively.
Preferably, the feeding amount of the main feeding port is 400+/-10 kg/h; the feeding amount of the feeding port is measured to be 3+/-0.2 kg/h.
The invention also provides an application of the super-soft polypropylene material with the flocking effect in daily chemical packaging bottles, such as surface flocking of cosmetic bottles, surface flocking of shampoo bottles and the like.
The superfine fiber fluff treated by the method is the superfine fiber fluff treated by the cationic surfactant, positive charges are generated on the surface of tourmaline when the superfine fiber fluff contacts with tourmaline, the electric effect of the tourmaline is stimulated, the superfine fiber fluff is firmly adsorbed on the surface of the tourmaline through the electric effect, and when the material is extruded on the surface layer of an object to form a thin layer, the surface layer of the object is successfully flocked, so that the flocking effect is achieved. Meanwhile, in the extrusion process of the polyolefin elastomer modified material, because of the difference of flow rates and the difference of phases of polypropylene and elastomer, the elastomer is enriched on the surface layer of the material in the extrusion process, the phase separation is formed, and the surface softness of the material is improved.
Advantageous effects
The invention adopts the processed superfine fiber fluff and tourmaline to compound, so that the polypropylene material has flocking effect. Meanwhile, the added polyolefin elastomer ensures that the polypropylene material has better flexibility.
The flocking effect of the polypropylene material reaches A level-B level, and the Shore hardness is within 45D.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
Reagent source:
polypropylene 1: block copolymerized polypropylene, melt finger is 26g/10min at the temperature of 2.16kg and 230 ℃, PP K9026 is a luxuriant petrochemical product;
polypropylene 2: block copolymerized polypropylene, melt index is 57g/10min under the conditions of 2.16kg and 230 ℃, PP K7760H and petrifaction;
polypropylene 3: block copolymerized polypropylene, melt finger is 17g/10min at the temperature of 2.16kg and 230 ℃, PP K9017 is tranquilized;
polypropylene 4: block copolymerized polypropylene, melt finger 110g/10min at 230 deg.c and 2.16kg, PP EP540V, korean Dalin;
polyolefin elastomer 1: ethylene-octene copolymer, melt index 1g/10min at 190℃of 2.16kg, SOLUMER891, korea SK;
polyolefin elastomer 2: ethylene-octene copolymer, melt index 0.2g/10min at 190℃2.16kg, POE HM7280, dow chemical;
polyolefin elastomer 3: ethylene-octene copolymer, melt index of 5g/10min at 190 ℃ of 2.16kg, POE 8207, dow chemical;
polyolefin elastomer 4: ethylene-butene copolymer, melt index 1.2g/10min at 190℃2.16kg, POE DF610, mitsui chemistry;
polyolefin elastomer 5: ethylene-propylene copolymer, melt index at 190℃of 2.16kg, 1.1g/10min,
VISTAMAXX 3020FL, exxon mobil;
treated ultrafine fiber fluff 1: the length is 0.7mm, the fineness is 1.5d, the alkylamine salt type cationic surfactant accounts for 3 per mill of the weight of the superfine fiber fluff, and the preparation method comprises the following steps: dissolving alkylamine salt type cationic surfactant (sodium lauramide, jinan Jinjiao chemical Co., ltd.) in distilled water at normal temperature to obtain 5% aqueous solution, soaking superfine fiber fluff (nylon fiber fluff A-19, hebei Sailow textile manufacturing Co., ltd.) in water for 10min under stirring, taking out fiber fluff, spin-drying, and drying at 90-95deg.C for 2 hr to obtain the final product;
treated ultrafine fiber fluff 2: the length is 0.4mm, the fineness is 0.8d, the alkylamine salt type cationic surfactant accounts for 3.5 per mill of the weight of the superfine fiber fluff, and the preparation method comprises the following steps: the superfine fiber fluff (nylon fiber fluff A-11, hebei Sailow textile manufacturing Co., ltd.) is adopted, and the rest is the same as the treated superfine fiber fluff 1;
treated ultrafine fiber fluff 3: the length is 1.0mm, the fineness is 2.5d, the alkylamine salt type cationic surfactant accounts for 3.2 per mill of the weight of the superfine fiber fluff, and the preparation method comprises the following steps: the superfine fiber fluff (nylon fiber fluff A-28, hebei Sailow textile manufacturing Co., ltd.) is adopted, and the rest is the same as the preparation method of the treated superfine fiber fluff 1;
treated ultrafine fiber fluff 4: the length is 0.7mm, the fineness is 1.5d, the quaternary ammonium salt type cationic surfactant accounts for 3.7 per mill of the weight of the superfine fiber fluff, and the preparation method comprises the following steps: the superfine fiber fluff (nylon fiber fluff A-19, hebei Sailow textile manufacturing Co., ltd.) is treated by a quaternary ammonium salt type cationic surfactant (M550 (poly quaternary ammonium salt cationic high molecular polymer), and the rest is the same as the preparation method of the treated superfine fiber fluff 1;
treated ultrafine fiber fluff 5: the length is 0.7mm, the fineness is 1.5d, the heterocyclic cationic surfactant accounts for 2.8 per mill of the weight of the superfine fiber fluff, and the preparation method comprises the following steps: the preparation method of the treated superfine fiber fluff 1 is the same as that of the treated superfine fiber fluff 1, and the polyester fiber fluff (D-33, hebei Sai Orthomsl textile manufacturing Co., ltd.) is adopted as a heterocyclic cationic surfactant (chlorocetyl pyridine, jinan Yongyue chemical Co., ltd.);
superfine fiber fluff: superfine fiber fluff (chinlon fiber fluff a-19, hebei seero textile manufacturing company limited);
tourmaline 1: magnesium tourmaline, GT-99, tianjin-Bayan Tianshan stone company, inc.;
tourmaline 2: schorl, DQSF-56, a process plant for a malin mineral product in the county of life;
POSS powder (octavinyl octasilsesquioxane): allatin;
other auxiliaries:
an antioxidant: pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate and tris (2, 4-di-tert-butylphenyl) phosphite in a weight ratio of 1:1, compounding and selling in the market;
and (3) a lubricant: EBS (ethylene bis stearamide), commercially available;
unless otherwise specified, both the parallel examples and comparative examples of the present invention are commercially available products in which one component (e.g., antioxidant, lubricant) is the same.
The preparation method of the polypropylene material comprises the following steps: according to the proportions of the table 1, the table 2 and the table 3, polypropylene, polyolefin elastomer, tourmaline, lubricant and antioxidant are mixed in a high-speed mixer for 5min; adding the treated superfine fiber fluff into the other side feeding hopper, and starting extrusion; the extruder was 75D and the screw shear strength was weak; the extrusion temperature is set to be 200-230 ℃, the screw rotating speed is set to be 450-550HZ, and the main feeding amount is 400+/-10 kg/h; the side feeding amount is 3+/-0.2 kg/h.
Performance test:
(1) Shore D: the test is carried out by adopting a Shore D hardness tester according to the test standard GB/T2411-2008, and the reading is carried out after 15s of pressing;
(2) Flocking effect: arbitrarily selected area 10 ╳ The flocking effect was observed with an optical microscope (magnification 100 times) at 10mm, and the concrete judgment level was as follows:
table 1 examples 1-10 proportions (parts by weight)
Table 2 examples 11-18 proportions (parts by weight)
Table 3 comparative example ratio (parts by weight)
As is clear from tables 1 to 3, the superfine fiber fluff is used in comparative example 1, tourmaline is not added in comparative example 2, POSS powder is used in comparative example 3, the tourmaline addition amount of comparative example 4 exceeds the scope of the present invention, and the flocking effect of comparative examples 1 to 4 is not as good as that of example 1. Comparative example 5, without the addition of a polyolefin elastomer, has a significantly greater shore D hardness than example 1. Therefore, the polypropylene material has flocking effect by adopting the processed superfine fiber fluff and tourmaline for compounding, and meanwhile, the polypropylene material has better softness by adding the polyolefin elastomer.
Claims (10)
1. The ultra-soft polypropylene material with the flocking effect is characterized by comprising the following components in parts by weight:
the treated superfine fiber fluff comprises superfine fiber fluff and a cationic surfactant coated on the surface of the superfine fiber fluff.
2. The polypropylene material according to claim 1, wherein the polypropylene material comprises the following components in parts by weight:
3. the polypropylene material according to claim 1, wherein the polypropylene has a melt index of 20-70g/10min at 2.16kg, 230 ℃.
4. The polypropylene material according to claim 1, wherein the polyolefin elastomer comprises one or more of an ethylene-butene copolymer, an ethylene-octene copolymer, an ethylene-propylene copolymer; the polyolefin elastomer has a melt index of 0.5-3g/10min at 190 ℃ under 2.16 kg.
5. The polypropylene material according to claim 1, wherein the cationic surfactant comprises one or more of an alkylamine salt type cationic surfactant, a quaternary ammonium salt type cationic surfactant, and a heterocyclic type cationic surfactant; the superfine fiber fluff comprises one or more of terylene, chinlon and acetate fiber.
6. The polypropylene material according to claim 1, wherein the treated ultrafine fiber fluff has a length of 0.5-0.8mm and a fineness of 1-2d; the tourmaline comprises magnesium tourmaline and/or schorl.
7. The polypropylene material according to claim 1, wherein the polypropylene material further comprises 0-3 parts of other additives; the other auxiliary agents comprise antioxidants and/or lubricants.
8. A process for the preparation of a polypropylene material as claimed in any one of claims 1 to 7, comprising:
mixing all the components except the treated superfine fiber fluff, adding the obtained premix and the treated superfine fiber fluff into a double-screw extruder, extruding and granulating to obtain the ultra-soft polypropylene material with the flocking-like effect.
9. The method of claim 8, wherein the extrusion temperature is 200-230 ℃.
10. Use of the polypropylene material according to any one of claims 1 to 7 in daily chemical packaging bottles.
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