WO2008047604A1 - Composition de polymère, procédé servant à produire une fibre et fibre correspondante - Google Patents

Composition de polymère, procédé servant à produire une fibre et fibre correspondante Download PDF

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Publication number
WO2008047604A1
WO2008047604A1 PCT/JP2007/069408 JP2007069408W WO2008047604A1 WO 2008047604 A1 WO2008047604 A1 WO 2008047604A1 JP 2007069408 W JP2007069408 W JP 2007069408W WO 2008047604 A1 WO2008047604 A1 WO 2008047604A1
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Prior art keywords
weight
olefin
parts
pesticide
fiber
Prior art date
Application number
PCT/JP2007/069408
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English (en)
Inventor
Susumu Ejiri
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Sumitomo Chemical Company, Limited
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Application filed by Sumitomo Chemical Company, Limited filed Critical Sumitomo Chemical Company, Limited
Priority to CN2007800354061A priority Critical patent/CN101516986B/zh
Publication of WO2008047604A1 publication Critical patent/WO2008047604A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0058—Biocides
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins

Definitions

  • the present invention relates to a polymer composition containing a polymer, a pesticide and a pesticide support, a process for producing fiber from the polymer composition, and the fiber obtained by the process.
  • JP-A-04-065509 discloses a fiber obtained by melt-spinning a composition of a polypropylene resin and a pesticide.
  • JP-A-06-315332 discloses a composition of a linear low density polyethylene and pesticide, and a collar for a pet made of the composition.
  • a tensile elongation at break or a tensile strength at break thereof may deteriorate, and therefore, it was not sufficiently satisfied.
  • an object of the present invention is to provide a polymer composition containing an olefin-based polymer, a pesticide and a support, which can provide a fiber excellent in tensile elongation at break and tensile strength at break, a process for producing the fiber by molding the composition, and a fiber obtainable by the process.
  • a first aspect of the present invention relates to a polymer composition, which comprises an olefin-based polymer, a pesticide of 0.1 to 10 parts by weight per 100 parts by weight of the olefin-based polymer and a support of 0.1 to 20 parts by weight per 100 parts by weight of the olefin-based polymer, wherein a moisture content of the polymer composition is 30 to 1500 ppm by weight.
  • a second aspect of the present invention relates to a process for producing a fiber, which comprises melt-extruding the above-described polymer composition to form a molten strand, and stretching the molten strand at a stretching rate ratio of 5 or more.
  • a third aspect of the present invention relates to a fiber obtained by the above-described process.
  • the olefin-based polymer includes, for example, ethylene-based polymers, propylene-based polymers, butene-based polymers and 4-methyl- 1-pentene-based polymers, and modified, saponified or hydrogenated products thereof.
  • the ethylene-based polymer includes polymers mainly containing monomer units derived from ethylene [namely, containing 50 % by weight or more of the monomer units derived from ethylene based on the total weight of the polymer (100% by weight)], for example, ethylene homopolymers ; ethylene- Q! -olefin copolymers (e.g. ethylene-1-butene copolymers, ethylene- 1-hexene copolymers, ethylene-1-octene copolymers and ethylene-1-butene-1-hexene copolymers); ethylene-vinyl acetate copolymers; ethylene-acrylic acid copolymers; ethylene-acrylic ester copolymers (e.g.
  • ethylene-methylacrylate copolymers ethylene-methylacrylate copolymers
  • ethylene-methacrylic acid copolymers ethylene-methacrylic ester copolymers (e.g. ethylene-methylmethacrylate copolymer)
  • ethylene-cycloolefin copolymers ethylene-cycloolefin copolymers.
  • the a -olefin in the ethylene- a -olefin copolymer includes an Q! -olefin having 3 to 20 carbon atoms (e.g.
  • propylene 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene, 4-methyl-1-penetene, 4-methyl- 1-hexene ).
  • the propylene-based polymer includes polymers mainly containing monomer units derived from propylene [namely, containing 50 % by weight or more of the monomer units derived from propylene based on the total weight of the polymer (100% by weight)], for example, propylene homopolymers, propylene- CK -olefin copolymers (e.g. propylene-ethylene copolymers, propylene-1-butene copolymers, propylene-ethylene- 1-butene copolymer), and propylene-cycloolefin copolymers.
  • propylene homopolymers e.g. propylene-ethylene copolymers, propylene-1-butene copolymers, propylene-ethylene- 1-butene copolymer
  • propylene-cycloolefin copolymers e.g. propylene-ethylene copolymers, propylene-1-butene copolymers, propylene-ethylene- 1-butene
  • the ⁇ -olefin in the propylene- CK -olefin copolymer includes an a -olefin having 2 to 20 carbon atoms except propylene (e.g. ethylene, 1-butene, 1-pentene, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-dodecene, 4-methyl- 1-penetene, 4-methyl-1-hexene) .
  • the olefin-based copolymer is preferably ethylene-based polymers, more preferably ethylene homopolymers and ethylene- a -olefin copolymers. Further, the ethylene- Q!
  • -olefin copolymers are preferably ethylene-1-butene copolymers, ethylene-1-hexene copolymers, ethylene-1-octene copolymers and ethylene- 1-butene-1-hexene copolymers.
  • a melt flow rate (MFR) of the olefin polymer used is preferably 0.1 or more , more preferably 0.3 g/10 minutes or more , further preferably 0.5 g/10 minutes or more from the viewpoint of heightening appearance quality of a molded body obtained by extrusion molding.
  • the MFR is preferably 20 g/10 minutes or less, more preferably 10 g/10 minutes or less, further preferably 5 g/10 minutes or less from the viewpoint of heightening mechanical strength.
  • the MFR is measured by a method according to JIS K7210-1995, under a load of 21.18 N at a temperature of 230 1 C in the propylene-based polymers or under a load of 21.18 N at a temperature of 190 1 C in olefin-based polymers (e.g. ethylene-based polymers, butene-based polymers) except the propylene-based polymers.
  • olefin-based polymers e.g. ethylene-based polymers, butene-based polymers
  • the density of the ethylene-based polymers is preferably 980 kg/m 3 or less, more preferably 970 kg/m 3 or less, further preferably 960 kg/m 3 or less, from the viewpoint of heightening a pesticidal performance.
  • the density is preferably 900 kg/m 3 or more, more preferably 920 kg/m 3 or more, further preferably 940 kg/m 3 or more, from the viewpoint of heightening a rigidity.
  • the density is measured according to A-method in JIS K7112-1980 after annealed according to a method described in JIS K6760-1995.
  • polymerization methods such as a solution polymerization method, a slurry polymerization method, a gas phase polymerization method and a high-pressure polymerization method with a known polymerization catalyst such as a Zieglar-Natta catalyst, a chromium-based catalyst, a metallocene catalyst or a radical polymerization catalyst.
  • a known polymerization catalyst such as a Zieglar-Natta catalyst, a chromium-based catalyst, a metallocene catalyst or a radical polymerization catalyst.
  • the Zieglar-Natta catalyst described above includes, for example, the following catalysts (1) and (2):
  • a catalyst obtained by combining a component prepared by supporting at least one selected from the group consisting of titanium trichloride, vanadium trichloride, titanium tetrachloride and haloalcolate of titanium on a magnesium compound-based support with, as a co-catalyst, an organometallic compound (e.g. triethylaluminum) , and
  • an organometallic compound e.g. triethylaluminum
  • the chromium-based catalyst includes, for example, a catalyst obtained by combining a component prepared by supporting a chromium compound on silica or silica-alumina with an organometallic compound as a co-catalyst.
  • the metallocene catalyst includes, for example, the following catalysts (1) to (4):
  • an inorganic particulate support such as SiO 2 or Al 2 O 3 or a polymer particulate support such as a polymer of an olefin (e.g. ethylene, styrene) polymer.
  • the above-described organometallic compound includes, for example, butyllithium and triethylaluminum.
  • the radical polymerization catalyst includes, for example, organic peroxides (e.g. di-t-butylperoxide, t-butylhydroperoxide, t-butyl-peroxy-2-ethylhexanate, dicumylperoxide , t-butyl-peroxyisopropylcarbonate , t-butyl-peroxybenzoate, di-t-amylperoxide, cumylhydroperoxide , t-butylperoxypivarate; and oxygen.
  • organic peroxides e.g. di-t-butylperoxide, t-butylhydroperoxide, t-butyl-peroxy-2-ethylhexanate, dicumylperoxide , t-butyl-peroxyisopropylcarbonate , t-butyl-peroxybenzoate, di-t-amylperoxide, cumylhydroperoxide
  • the production method of the olefin-based polymer a production method using the Zieglar-Natta catalyst, metallocene catalyst or radical polymerization catalyst, is preferred.
  • the pesticide used in the present invention includes compounds having a pesticidal activity such as pestcides , insect growth controlling agents, pest repellants and the like.
  • Pesticides include pyrethroid compounds, organophosphorus compounds, carbamate compounds, phenyl pyrazole compounds and the like.
  • Examples of the pyrethroid compounds include permethrin, allethrin, d-allethrin, dd-allethrin, d-tetramethrin, prallethrin, d-phenothrin, d-resmethrin, empenthrin, fenvalerate, esfenvalerate, fenpropathrin , cyhalothrin, etofenprox, tralomethrin , esbiothrin, benfulthrin, terallethrin, deltamethrin , phenothrin, tefluthrin, bifenthrin, cyfluthrin, cyphenothrin , cypermethrin and a -cypermethr
  • organophosphorus compounds examples include phenitrothion , dichlorobos , dichlorvos, naled, fenthion, cyanophos, chloropyrifos , diazinon, calchlophos and salithion.
  • Examples of the carbamate compounds include methoxydiazon, propoxur, fenobucarb and carbaryl .
  • Examples of the phenylpyrazole compounds include fipronil .
  • insect growth controlling agents examples include pyriproxyfen, methoprene, hydroprene, diflubenzuron, cyromazine, phenoxycarb and lufenuron(CGA184599) .
  • insect repellants examples include diethyltolamide and dibutylphthalate .
  • pesticides can be used alone or as a mixture of two kinds or more.
  • insecticides are preferable, pyrethroid compounds are more preferable, and pyrethroid compounds having a vapor pressure of less than 1 x 10 ⁇ 6 mmHg at 25 1 C are further preferable.
  • pyrethroid compounds having a vapor pressure of less than 1 x 10 "6 mmHg at 25 1 C include resmethrin and permethrin.
  • a material which can retain, support, absorb, adsorb, immerse, permeate or inject the pesticide is used, and examples thereof include silica-based compounds , zeolites, clay minerals , metal oxides, micas, hydrotalcites , and organic supports.
  • silica-based compound include non-crystalline silica and crystalline silica, for example, powdery silicic acid, fine powdery silisic acid, acidic white clay, diatom earth, quartz and white carbon.
  • the zeolite include A-type zeolite and mordenite .
  • Example of the clay mineral include montmorillonite , saponite, beidellite, bentonite, kaolinite, halloysite, nacrite, dickite, anauxite, illite and sericite.
  • Examples of the metal oxide include zinc oxide, magnesium oxide, aluminum oxide, iron oxide, copper oxide and titanium oxide.
  • Examples of the mica include mica and vermiculite.
  • Examples of the hydrotalcite include hydrotalcite and smectite.
  • organic supports coals (e.g. charcoal, peat, glass peat), polymer beads (e.g.
  • fine crystallized cellulose fine crystallized cellulose, polystyrene beads , polyacrylate-based beads , polymethacrylate-based beads , polyvinylalcohol-based beads) and closslinked polymer beads thereof are listed. Further, pearlite, plaster, ceramics and volcanic rock are also listed.
  • the pesticide support non-crystalline inorganic supports are preferable, and non-crystalline silica is more preferable .
  • Additives such as antioxidants, antiblocking agents. fillers, lubricants, antistatic agents, weathering agents, pigments, processing improving agents and metal soaps; and polymer components other than the olefin-based polymers, may be added to the polymer composition of the present invention. Two kinds or more of the additives and the polymer components may be added, respectively.
  • the content of the pesticide in the polymer composition of the present invention is 0.1 to 10 parts by weight per 100 parts by weight of the olefin-based polymer. From the viewpoint of prevention of tackiness caused by the pesticide, it is preferably 5 parts by weight or less, more preferably 3 parts by weight or less . In contrast , from the viewpoint of enhancement of a performance of pest-control, it is preferably 0.5 parts by weight or more, more preferably 1 part by weight or less.
  • the content of the pesticide support in the polymer composition of the present invention is 0.1 to 20 parts by weight per 100 parts by weight of the olefin-based polymer. From the viewpoint of heightening tensile elongation at break and improving appearance of molded articles obtained by extruding molding, it is preferably 10 parts by weight or less, more preferably 5 parts by weight or less. In contrast, from the viewpoint of enhancement of a performance of pest-control, it is preferably 0.5 parts by weight or more, more preferably 1 part by weight or more.
  • the moisture content in the polymer composition of the present invention is 30 to 1500 ppm by weight.
  • the moisture content is over 1500 ppm by weight, the tensile elongation at break and the tensile strength at break may be deteriorated. It is preferably 1000 ppm by weight or less, more preferably 800 ppm by weight or less .
  • the moisture content is below 30 ppm by weight, a handling operation of the polymer composition may become complicated. It is preferably 50 ppm or more, more preferably 100 ppm by weight.
  • the moisture content is a value based on the 1000000 ppm by weight of the polymer composition, and is measured under conditions of a moisture vaporization temperature of 200 1 C, a nitrogen flow amount of 100 ml/minute and a sample weight of 0.5 g with a Karl-Fischer moisture measurement apparatus.
  • the polymer composition of the present invention can be obtained by melt-kneading an olefin-based polymer, a pesticide, a pesticide support and optionally other components by a publicly known method.
  • a publicly known method there are exemplified a method of mixing previously the olefin-based polymer with the pesticide, then melt-kneading thus obtained mixture with an extruder, roll molding machine, kneader or the like; and a method of feeding separately the olefin-based polymer, the pesticide and the pesticide support to an extruder or the like followed by melt-kneading them.
  • the pesticide and the pesticide support may be previously mixed followed by melt kneading, further may be used as a master batch containing at least one of them for melt-kneading. Further, when the melt-kneading is conducted by an extruder, the pesticide and/or pesticide support may be injected from the middle of the extruder using an adding device such as a side extruder or side feeder .
  • ethylene-based polymers As a base resin when the pesticide and/or pesticide support are used as a master batch, there are exemplified ethylene-based polymers, propylene-based polymers, butene-based polymers and 4-methyl- 1-pentene polymers and modified, saponified or hydrogenated products thereof.
  • a compounding amount of the master batch used in the production of the polymer composition is usually less than 50% by weight based on the polymer composition ( 100% by weight ) , and, from the heightening economic efficiency, preferably 20% by weight or less, more preferably 10% by weight or less.
  • the polymer composition of the present invention is molded into various molded articles by a publicly known molding method [e.g. extrusion molding, injection molding, powder molding (slashmolding, rotation molding, etc.), compression molding] .
  • extrusion molding is suitably used, for example, coat extrusion molding, tube extrusion molding, pipe extrusion molding, hose extrusion molding, inflation molding, T-die cast molding, blow-extrusion molding, monofilament extrusion molding and multi-filament extrusion molding.
  • Shaped articles obtained by molding the olefin-based composition of the present invention are used in various applications, for example, films, sheets, wallpapers, curtains, floor materials , packaging materials , hoses , tapes , tubes , pipes, bags, tents, turfs, store curtains, blinds, wires, cables, sheathes, filaments, fibers, nets • screens (e.g. mosquito nets , screen windows , insect screens) , textile threads , ropes, filters, shoes, luggages, electronic parts, electric devices , home electric appliance parts , office machine parts , vehicle parts, transport machine parts, materials for distribution of goods (e.g. containers, cases), products or parts for house, and products for pets (e.g.
  • goods e.g. containers, cases
  • products or parts for house e.g.
  • Pests to be controlled by the moldings of the polymer composition of the present invention include arthropods such as spiders, mites and insects. Further, these are described in detail below.
  • Arachnida includes , for example , Acarinia (e.g. Ornithonyssus sylviarum, Panonychus citri, Tyrophaugus putrescentiae) ; and Araneae (e.g. Atypus karschi, Pholcus phalangioides ) .
  • Chilopoda includes , for example , Scutigeromorpha (e.g. Thereuonema tuberculate) ; and Lithobiomorpha (e.g. Bothropolys rugosus).
  • Diplopoda includes, for example, Polydesmoidea (e.g. Oxidus gracilis, Nedyopus tambanus ) .
  • INSECTA examples include Thysanura (e.g.Ctenolepisma) ; Orthoptera (e.g. Diestrammena japonica, Atractylodes japonica. Locusta migratoria, Schitocerca gregaria, Oxya yezoensis; Dermaptera (e.g. Forficula auricularia) ; blattaria (e.g. bllatella germanica, periplaneta fuliginosa, periplaneta japonica, Periplaneta americana); Isopteran (e.g.
  • Reticulitermes Coptptermes formosanus, Incistermes minor
  • Psocoptera e.g. Liposcelis entomophilus , Lipocescelis bostrychophilus
  • Mallophaga e.g. Trichodectes canis; Felicola subrostratus
  • Anoplura e.g. Pediculus corporis , Pthirus pubis , Pediculus humanus
  • Hemiptera e.g.
  • nilaparvata lugens Nephotettix cincticeps, Trialeurodes vaporariorum, Myzus persicae, Cimex lectularius, Halyomorpha mista) ; Coleoptera (e.g. Attagenus japonicus, Authrenus verbasci, Aulacophora femoralis , Sitophilus zeamais, Lyctus brunneus, Gibbium aequinoctiale, Ptinus japonicus, Popillia japonica); Siphonaptera (e.g.
  • the olefin-based composition of the present invention are used in the above-described applications, preferably used for extruded shaped articles, for example, films, sheets, wallpapers , hoses , tapes , tubes , pipes , wires , cables , filaments and fibers , and particularly preferably used as fibers and products using fibers (e.g. wall papers, curtains, mats, tents, turfs, store curtains, blinds, clothes, bags, nets • screens such as mosquito nets, screen windows, insect screens ) , ropes ) .
  • fibers e.g. wall papers, curtains, mats, tents, turfs, store curtains, blinds, clothes, bags, nets • screens such as mosquito nets, screen windows, insect screens ) , ropes
  • a method for producing fibers from the olefin-based composition of the present invention there is exemplified a melt-spinning method which contains melt-extruding the polymer composition from a die using an extruder to form molten strands , stretching and cooling the strands followed by winding thus obtained fibers .
  • a linear velocity at the outlet of the die of the molten strands melt-extruded is preferably 0.2 m/minute or more, more preferably 0.8 m/minute or more.
  • the linear velocity is preferably 5 m/minute or less, more preferably 2 m/minute or less.
  • the linear velocity at the outlet of the die is determined by dividing a volume of the composition extruded from one hole of the die per unit time by the opening area of one hole.
  • a stretching velocity ratio as a ratio of a take-off velocity of the molten strands extruded from the die to the linear velocity at the outlet of the die of the molten strands extruded from the die is preferably 5 or more from the viewpoint of heightening tensile strength at break of the fiber obtained, more preferably 7 or more, further preferably 10 or more.
  • the stretching velocity ratio is preferably 70 or less from the viewpoint of heightening tensile elongation at break of the fiber obtained, more preferably 25 or less, further preferably 18 or less.
  • Melt flow rate (MFR, unit: g/10 minutes) It was measured by a method under conditions of 190° C and a load of 21.18N according to JIS K7210-1995.
  • the density of a polymer composition was measured according to A-method in JIS K7112-1980. Besides, a test piece for measurement was used after annealed according to a method described in JIS K6760-1995.
  • a tensile test was carried out using a tensile test machine under conditions of a stretching velocity of 1000 mm/minute and a chuck distance of 200 mm.
  • a tensile elongation at break and tensile strength at break were determined by the following equations .
  • Example-1 100 parts by weight of a high density polyethylene (manufactured by Prime Polymer Co., Ltd., trade name; Hizex ® 440M, MFR; 0.9 g/10 minutes, density; 947 kg/m 3 ) was mixed with 16.4 parts by weight of master batch of the pesticide-containing support A and 0.7 parts by weight of zinc stearate, then granulated with a 65 mm ⁇ single screw granulator to obtain a polymer composition (herein-after, referred to as "Sample-1”) .
  • a high density polyethylene manufactured by Prime Polymer Co., Ltd., trade name; Hizex ® 440M, MFR; 0.9 g/10 minutes, density; 947 kg/m 3
  • Fiber was molded in the same manner as in Example 2 except that the take-off velocity was changed to 2.0 X 10 m/minute (ratio of stretching velocity; 21). The tensile elongation at break of fiber obtained was 1863 % and tensile strength at break was 62.0 MPa.
  • Example 3 A fiber was produced in the same manner as in Example 2 except that the take-off velocity was changed to 8.0 m/minute (ratio of stretching velocity; 8) . The tensile elongation at break of the fiber obtained was 2454 % and the tensile strength at break was 52.4 MPa.
  • Pellets of Sample-1 were kept for 36 hours in a constant temperature & moisture chamber maintained at a temperature of 50"C and a humidity of 90%. The moisture content of the pellets after kept, was 1970 ppm by weight. The pellets were molded into a fiber in the same manner as in Example 1. The tensile elongation at break of the fiber obtained was 1588% and the tensile strength at break was 46.3 MPa.
  • a polymer composition containing an olefin-based polymer, a pesticide and a pesticide support which can provide a fiber excellent in tensile elongation at break and tensile strength at break, a process for producing the fiber, and a fiber obtained by the process .

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Abstract

Composition de polymère laquelle comprend un polymère à base d'oléfine, un pesticide en quantité de 0,1 à 10 parties en poids pour 100 parties en poids du polymère à base d'oléfine et un support servant à retenir le pesticide en quantité de 0,1 à 20 parties en poids pour 100 parties en poids du polymère à base d'oléfine, le taux d'humidité de la composition de polymère étant de 30 à 1500 ppm en poids ; procédé servant à produire une fibre à partir de la composition ; et fibre pouvant être obtenue par le procédé.
PCT/JP2007/069408 2006-09-29 2007-09-27 Composition de polymère, procédé servant à produire une fibre et fibre correspondante WO2008047604A1 (fr)

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CN2007800354061A CN101516986B (zh) 2006-09-29 2007-09-27 聚合物组合物、用于生产纤维的方法及该纤维

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TWI563915B (zh) * 2011-12-27 2017-01-01 大日本除蟲菊股份有限公司 含有揮發性藥劑之結構體
CN104871888B (zh) * 2015-04-23 2018-06-05 安徽海义源进出口有限公司 一种杀虫农用网及其制备方法
CN105646974A (zh) * 2016-04-12 2016-06-08 苏州科茂电子材料科技有限公司 一种防虫耐高温阻燃电缆的制备方法

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