CN102471994B - Synthetic fiber treating agent for papermaking, method for producing synthetic fiber for papermaking, and method for producing paper-made nonwoven fabric - Google Patents
Synthetic fiber treating agent for papermaking, method for producing synthetic fiber for papermaking, and method for producing paper-made nonwoven fabric Download PDFInfo
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- CN102471994B CN102471994B CN201080034116.7A CN201080034116A CN102471994B CN 102471994 B CN102471994 B CN 102471994B CN 201080034116 A CN201080034116 A CN 201080034116A CN 102471994 B CN102471994 B CN 102471994B
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- 239000012153 distilled water Substances 0.000 description 1
- NILBZLMLWALYTH-UHFFFAOYSA-N docosanoic acid;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCCCCCCC(O)=O NILBZLMLWALYTH-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- XMYQHJDBLRZMLW-UHFFFAOYSA-N methanolamine Chemical compound NCO XMYQHJDBLRZMLW-UHFFFAOYSA-N 0.000 description 1
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229940096992 potassium oleate Drugs 0.000 description 1
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229960005137 succinic acid Drugs 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/507—Polyesters
-
- 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
- D04H13/00—Other non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/419—Amides having nitrogen atoms of amide groups substituted by hydroxyalkyl or by etherified or esterified hydroxyalkyl groups
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Disclosed is a synthetic fiber treating agent for papermaking, which is capable of providing synthetic fibers for papermaking used for a paper-made nonwoven fabric with good dispersibility at low share, while suppressing the formation of air bubbles during a papermaking step. Consequently, the synthetic fiber treating agent for papermaking is capable of providing excellent fiber dispersibility. Specifically disclosed is a synthetic fiber treating agent for papermaking, which contains, as essential ingredients, a component A that is composed of a polyester compound obtained by polycondensing at least one dicarboxylic acid (derivative) selected from among aromatic dicarboxylic acids, aliphatic dicarboxylic acids having 4-22 carbon atoms and ester-forming derivatives thereof, and an alkyleneglycol, a polyalkylene glycol or a derivative thereof, and a component B that is composed of a condensation product of a fatty acid and an alkanol amine.
Description
Technical field
The present invention relates to manufacture method, and the manufacture method of papermaking nonwoven fabric of paper grade (stock) synthetic fibre treating agent, paper grade (stock) synthetic fiber.
Background technology
As the paper grade (stock) synthetic fiber, use vinylon, artificial silk, native cellulose, polypropylene, acrylic fiber quite widely all the time.But, require aspect the High Level of performance in what is called in recent years, following paper grade (stock) synthetic fiber are carried out papermaking and the papermaking nonwoven fabric (also abbreviating papermaking sometimes as) that obtains is come upon the stage, described paper grade (stock) synthetic fiber be have unique soft feel and have DIMENSIONAL STABILITY, heat resistance and then cost also hydrophobic synthetic fiber such as low polyamide fiber or polyester fiber be raw material.
But present present situation is that the goods of practicability can not given full play to the excellent properties that hydrophobic synthetic fibre self has.Particularly in the papermaking operation, present present situation is that the dispersiveness of not seeing as yet be used to the hydrophobic synthetic fiber that make market demands improves, realizes the raising of speed of production and has the paper grade (stock) synthetic fibre treating agent that presses down bubble property, the papermaking of hydrophobic synthetic fiber is provided.
As the paper grade (stock) synthetic fibre treating agent, for example in patent documentation 1, disclose the polyester polyether block copolymer.But, in the finishing agent that patent documentation 1 relates to, low shear dispersed bad, the even dispersion of synthetic fiber bundle in disperseing bath as a result is insufficient.In patent documentation 2, disclose the mixture that contains polyethylene glycol fatty acid monoesters and fatty acid soaps.But in the finishing agent that patent documentation 2 relates to, the foaming in the papermaking operation is more, and the bubble of generation is attached to fiber, so problem is to disperse the even dispersion in the bath insufficient.
The prior art document
Patent documentation
Patent documentation 1: Japanese Patent Publication 58-208500 communique
Patent documentation 2: TOHKEMY 2004-238764 communique
So, in these finishing agents, the desired dispersiveness that presses down bubble property, deaeration, low shearing of present paper grade (stock) synthetic fiber is in inadequate level, can not obtain high-quality nonwoven fabric.Therefore, in the nonwoven fabric made from paper process, send out from high-quality the dissolving of nonwoven fabric, wish to have concurrently whole finishing agents that requires characteristic for the paper grade (stock) synthetic fibre treating agent.
Summary of the invention
The problem that invention will solve
The objective of the invention is to, a kind of manufacture method, and manufacture method of papermaking nonwoven fabric that can make the low favorable dispersibility of shearing, the generation of the bubble of papermaking operation be descended and can give paper grade (stock) synthetic fibre treating agent, the paper grade (stock) synthetic fiber of excellent fiber dispersion for the paper grade (stock) synthetic fiber that use in the papermaking nonwoven fabric is provided.
Be used for solving the means of problem
In order to solve above-mentioned problem, the inventor concentrates on studies, and found that so long as contain special component to be paper grade (stock) synthetic fibre treating agent that must composition, just can solve above-mentioned problem, thereby realize the present invention.
Namely, paper grade (stock) synthetic fibre treating agent of the present invention, contain the A composition and as the B composition of the condensation product of aliphatic acid and alkanolamine for must composition, described A composition is to form the petchem that at least a kind of dicarboxylic acids (derivative), aklylene glycol and the poly alkylene glycol selected the property derivative or its derivative obtain through polycondensation from the aliphatic dicarboxylic acid of aromatic dicarboxylic acid, carbon number 4～22 and their ester.
Preferred A composition shared ratio in the nonvolatile component of above-mentioned finishing agent is 40～90 weight %, and the B components in proportions is 5～30 weight %.
Above-mentioned A composition preferably forms aklylene glycol and the poly alkylene glycol of following chemical formula (2) expression or the petchem that its derivative obtains through polycondensation of derivative, following chemical formula (1) expression from its ester of aromatic dicarboxylic acid and/or person.
[changing 1]
HO(R
1)OH (1)
(in the formula, R
1Be the aliphatic alkyl of carbon number 2～8 or the alicyclic alkyl of carbon number 2～8.)
[changing 2]
H(OR
2)
nOR
3 (2)
(in the formula, R
2Be the alkylidene of carbon number 2～4, n is 20～200 integer, R
3Be hydrogen atom, aliphatic alkyl or aromatic series base.)
Above-mentioned B composition is the compound of following general formula (3) expression preferably.
[changing 3]
(in the formula, R
4Be the aliphatic alkyl of carbon number 7～21, R
5Be the hydroxy alkyl of carbon number 1～4, R
6Be the alkyl of hydrogen atom, carbon number 1～4 or the hydroxy alkyl of carbon number 1～4.)
In addition, paper grade (stock) synthetic fibre treating agent of the present invention preferably also contains the C composition as the fatty acid soaps of carbon number 8～22.In addition, preferred A composition shared ratio in the nonvolatile component of above-mentioned finishing agent is 40～90 weight %, and the B components in proportions is 5～30 weight %, and the C components in proportions is 5～30 weight %.
In addition, paper grade (stock) synthetic fibre treating agent of the present invention, preferred above-mentioned finishing agent be for also containing the water-based liquid of water, and nonvolatile component shared ratio 0.05～50 weight % in the entire process agent.
The manufacture method of paper grade (stock) synthetic fiber of the present invention comprises the operation of using above-mentioned paper grade (stock) synthetic fibre treating agent that the raw material synthetic fiber are handled.
The manufacture method of papermaking of the present invention comprises and the paper grade (stock) synthetic fiber of handling through above-mentioned paper grade (stock) synthetic fibre treating agent is scattered in the water and the operation of carrying out papermaking.
The effect of invention
Paper grade (stock) synthetic fibre treating agent of the present invention for the paper grade (stock) synthetic fiber that use in the papermaking, can make the low favorable dispersibility of shearing, and makes descending of bubble in the papermaking operation, and gives the dispersiveness of excellent fiber.
The manufacture method of paper grade (stock) synthetic fiber of the present invention, the paper grade (stock) synthetic fiber that can obtain the low favorable dispersibility of shearing, make the generation of the bubble of papermaking operation descend and have excellent dispersiveness.
The manufacture method of papermaking nonwoven fabric of the present invention can obtain productivity height, in addition evenly and the papermaking nonwoven fabric of fine texture.
Description of drawings
Fig. 1 is the skeleton diagram that method for measuring is carried out in friction between fibre/fibre when moistening.
The specific embodiment
Paper grade (stock) synthetic fibre treating agent of the present invention contains A composition and B composition as necessary composition.Below each composition that constitutes paper grade (stock) synthetic fibre treating agent of the present invention is described.
(A composition)
The A composition is to form the petchem that at least a kind of dicarboxylic acids (derivative), aklylene glycol and the poly alkylene glycol selected the property derivative or its derivative obtain through polycondensation from the aliphatic dicarboxylic acid of aromatic dicarboxylic acid, carbon number 4～22 and their ester.About the A composition, strong with respect to the compatibility of paper grade (stock) synthetic fiber, between the fibre/fibre when moistening friction low, also have in addition and press down bubble property when water-soluble, thus by with B composition and usefulness, can give good dispersiveness and press down bubble property.
Ester formation property derivative refers to that the derivative of carboxylic acid can pass through the derivative that esterification, ester exchange reaction etc. form hydroxy-containing compounds and carboxylic acid ester.Form the concrete example of property derivative as ester, can enumerate the ester, acid anhydrides, acid amides of the aliphatic dicarboxylic acid of aromatic dicarboxylic acid, carbon number 4～22 etc.
As dicarboxylic acids (derivative), be not particularly limited, but for example can enumerate phthalic acid, terephthalic acid (TPA), isophthalic acid, 2, aromatic dicarboxylic acids such as 6-naphthalene dicarboxylic acids; The aliphatic dicarboxylic acid of carbon numbers 4～22 such as butanedioic acid, glutaric acid, adipic acid, pimelic acid, decanedioic acid; Dimethyl terephthalate (DMT), 5-sulfo group isophthalic acid dimethyl ester, 1, the ester of the aliphatic dicarboxylic acid of aromatic dicarboxylic acid esters such as 4-naphthalene dicarboxylic acids dimethyl ester, dimethyl adipate, carbon number 4～22 formation property derivative etc.These dicarboxylic acids (derivative) can use a kind, perhaps also use more than 2 kinds.In dicarboxylic acids (derivative), optimization aromatic dicarboxylic acids, further preferred terephthalic acid (TPA), isophthalic acid, the also usefulness of preferred especially terephthalic acid (TPA) and isophthalic acid.
As aklylene glycol, be not particularly limited, but the aklylene glycol of preferred above-mentioned chemical formula (1) expression.In chemical formula (1), R
1Be the aliphatic alkyl of carbon number 2～8 or the alicyclic alkyl of carbon number 2～8.
As the concrete example of aklylene glycol, can enumerate ethylene glycol, propylene glycol, butanediol, butylidene glycol, 1,6-hexane diol, 1,8-octane glycol, 1,4-cyclohexane diol etc.These aklylene glycols can use a kind, perhaps also use more than 2 kinds.
In aklylene glycol, preferred ethylene glycol, propylene glycol, butanediol, further preferred ethylene glycol.
As poly alkylene glycol or its derivative, be not particularly limited, but poly alkylene glycol or its derivative of preferred above-mentioned chemical formula (2) expression.Poly alkylene glycol or its derivative can constitute by a kind, also can be by constituting more than 2 kinds.Here, the derivative of poly alkylene glycol refers to that a single side in 2 terminal hydroxyls of poly alkylene glycol molecule is by the compound of organic group end-blocking.
In chemical formula (2), R
2It is the alkylidene of carbon number 2～4.That is (OR,
2) be oxyalkylene group partly, if carbon number is 2, then be oxyethylene group, if carbon number is 3, then be oxypropylene group, if carbon number is 4, then be the oxygen cyclobutenyl.These oxyalkylene groups can use a kind, perhaps also use more than 2 kinds.(H (OR
2)
nO) part is polyalkylene glycol moiety, but and the combining form during with the oxyalkylene group more than 2 kinds, can be random, also can be block.In addition, polyalkylene glycol moiety is preferably with the ratio combination of oxyethylene group/oxypropylene group=100/0～40/60 (mol ratio), more preferably only oxyethylene group combination.
In chemical formula (2), R
3Be hydrogen atom, aliphatic alkyl or aromatic series base.
Aliphatic alkyl can be the straight chain shape, also can be a chain, can be saturated, and also can be unsaturated.As aliphatic alkyl, can enumerate the alkyl of carbon number 1～22 (preferred 1～12).As alkyl, for example can enumerate methyl, ethyl, propyl group, butyl, amyl group, hexyl, octyl group, lauryl, stearyl, Shan Yu base etc.
The R of general formula (2)
3In the aromatic series base refer to contain in the present invention the organic group of aromatic hydrocarbons such as benzene, naphthalene, anthracene, the quantity of contained aromatic hydrocarbon is to get final product more than 1.At R
3Be under the situation of aromatic series base, the position of the R of being combined with oxygen atom in the general formula (2) can be the aromatic hydrocarbon part, also can not be.As the aromatic series base, for example can enumerate phenyl, tolyl, xylyl, styrene phenyl, phenylethyl, talan phenyl, triphenylethylene phenyl, benzyl, benzyl phenyl, dibenzyl phenyl, tribenzyl phenyl etc.
R as general formula (2)
3, preferred alkyl or aromatic series base.
In chemical formula (2), n is 20～200 integer, preferred 40～150, further preferred 50～100.Be 20 o'clock at n, the hydrophily deficiency is difficult to disperse in water sometimes, is difficult to fiber is evenly oiled, and on the other hand, surpasses at 200 o'clock at n, and the compatibility of synthetic fiber is weakened, and friction raises between the fibre/fibre when moistening, can't give good dispersiveness.3000), polyethylene glycol (mean molecule quantity 2000), polyethylene glycol monomethyl ether (mean molecule quantity: 1000) etc. as the concrete example of the derivative of poly alkylene glycol, can enumerate polyethyleneglycol phenyl ether (mean molecule quantity: here.
The ratio (mol ratio) of dicarboxylic acids (derivative), aklylene glycol and poly alkylene glycol or its derivative when making the above-mentioned petchem as the A composition, preferably the ratio (mol ratio) of [dicarboxylic acids (derivative)/aklylene glycol] is in 20/80～60/40 scope, more preferably 30/70～50/50, further preferred 40/60～50/50.Ratio by making dicarboxylic acids (derivative) and aklylene glycol is in this scope, and then reaction is carried out easily, and in addition, reacted unreacted reactant reduces.
In addition, the ratio (mol ratio) of preferred [dicarboxylic acids (derivative)/poly alkylene glycol or its derivative] in 100/2～100/100 scope, more preferably 100/2～100/50, further preferred 100/2～100/20.Be this scope by the ratio that makes dicarboxylic acids (derivative) and poly alkylene glycol or its derivative, can easily be scattered in the water, the property disposed is good, and is good to the compatibility of synthetic fiber, friction reduces between the fibre/fibre when moistening, can give good dispersiveness.
About making the reaction of petchem, can suitably select in this field known method and condition to carry out.In addition, about reaction pressure, can under normal pressure, carry out, also can under reduced pressure carry out.
About A composition shared ratio in the nonvolatile component of paper grade (stock) synthetic fibre treating agent of the present invention, be 40～90 weight %, preferred 50～90 weight %, further preferred 70～90 weight %.Be this scope by making the A components in proportions, can reduce the friction between the fibre/fibre when moistening, can give good dispersiveness.Need to prove, the nonvolatile component of paper grade (stock) synthetic fibre treating agent of the present invention, even if refer to after being used for removing the heated drying operation of moisture etc., also can residue in the composition of the paper grade (stock) synthetic fibre treating agent of fiber surface, typically refer to non-volatile and residual composition under 110 ℃, 30 minutes heat-treat condition.
(B composition)
The B composition is the condensation product that obtains by with aliphatic acid and alkanolamine condensation.The aliphatic acid that constitutes the B composition is the aliphatic acid of carbon number 8～22, the aliphatic acid of preferred carbon number 12～22, the aliphatic acid of further preferred carbon number 16～22.The B composition by with A composition and usefulness, can give good dispersiveness and press down bubble property, particularly in the papermaking operation, can give good bubble property, the defoaming of pressing down.Need to prove that, the carbon number that carbon number 8～22 refers to constitute the aliphatic acid of B composition is 8～22 here.
As the concrete example of the aliphatic acid that constitutes the B composition, can enumerate laurate, myristic acid, palmitic acid, stearic acid, isostearic acid, oleic acid, linoleic acid, linolenic acid, ricinoleic acid Ji behenic acid etc.In these aliphatic acid, when the aliphatic acid that constitutes the B composition is stearic acid, oleic acid, ricinoleic acid, what is called press down bubble property, defoaming and good with respect to the water miscible balance of water aspect preferred.The aliphatic acid that constitutes the B composition can constitute by a kind, also can be by constituting more than 2 kinds.
As the concrete example of the alkanolamine that constitutes the B composition, can enumerate single carbinolamine, dimethanolamine, monoethanolamine, diethanol amine, single Propanolamine, dipropanolamine, monoisopropanolamine etc.In these alkanolamines, when being diethanol amine, what is called press down bubble property, defoaming and good with respect to the water miscible balance of water aspect preferred.Constitute the alkanolamine of B composition, can constitute by a kind, also can be by constituting more than 2 kinds.
As the B composition, for example can enumerate the fatty acid amide shown in the above-mentioned chemical formula (3).In formula (3), R
4Be the aliphatic alkyl of carbon number 7～21, R
5Be the hydroxy alkyl of carbon number 1～4, R
6Be the alkyl of hydrogen atom, carbon number 1～4 or the hydroxy alkyl of carbon number 1～4.
R
4Carbon number be 7～21, preferred 11～21, preferred especially 15～21.At R
4Carbon number be lower than at 7 o'clock, show in the papermaking operation and press down bubble property, defoaming fully that can not obtain good dispersiveness this moment.On the other hand, at R
4Carbon number surpass at 21 o'clock, can be impaired with respect to water-soluble variation, the operability of water, and then cost raises, so be unsuitable for practicality.R
4Can be the straight chain shape, also can be a chain, can be saturated, and also can be unsaturated.As R
4, for example can enumerate heptyl, nonyl, undecyl, tridecyl, pentadecyl, heptadecyl, Cetorhinus maximus alkyl (Pristane), cis-9-heptadecene base etc.Wherein, as R
4, preferred undecyl, tridecyl, pentadecyl, heptadecyl, Cetorhinus maximus alkyl, preferred especially heptadecyl.
R
5Hydroxy alkyl, can be the straight chain shape, can be chain.R
5The carbon number of hydroxy alkyl, preferred 1～3, further preferred 1～2.At R
5Carbon number surpass at 4 o'clock, condensation reaction is low, the rate of recovery of condensation product can variation.
As R
6, the hydroxy alkyl of preferred carbon number 1～4, the hydroxy alkyl of further preferred carbon number 1～2.At R
6Carbon number surpass at 4 o'clock, condensation reaction is low, the rate of recovery of condensation product can variation.
Under the situation of making above-mentioned B composition, the ratio of preferred fatty acid and alkanolamine (mol ratio) is in the scope of aliphatic acid/alkanolamine=3/1～1/3.
About making the reaction of above-mentioned B composition, can suitably select known method and condition in this field and carry out.In addition, about reaction pressure, can under normal pressure, carry out, also can under reduced pressure carry out.
In the shared ratio of the nonvolatile component of paper grade (stock) synthetic fibre treating agent of the present invention, be 5～30 weight % about the B composition, preferred 5～25 weight %, further preferred 5～15 weight %.By making the B components in proportions in this scope, can in the papermaking operation, give and press down fully bubble property, defoaming, in addition, can reduce the friction between the fibre/fibre when moistening, therefore can give good dispersiveness.
(C composition)
Paper grade (stock) synthetic fibre treating agent of the present invention except above-mentioned A composition and B composition, preferably also contains the C composition as the fatty acid soaps of carbon number 8～22.The C composition is by with in the alkali and the material that obtains of aliphatic acid.By containing the C composition, can give better dispersiveness with low the shearing for the paper grade (stock) synthetic fiber.
The C composition is the fatty acid soaps of carbon number 8～22, the fatty acid soaps of preferred carbon number 12～22, the fatty acid soaps of further preferred carbon number 16～22.Need to prove that, carbon number refers to constitute the carbon number of the aliphatic acid of fatty acid soaps here.
As the concrete example of the aliphatic acid that constitutes the C composition, can enumerate laurate, myristic acid, palmitic acid, stearic acid, isostearic acid, oleic acid, linoleic acid, linolenic acid, ricinoleic acid Ji behenic acid etc.In these aliphatic acid, when the aliphatic acid that constitutes the C composition is stearic acid, oleic acid, ricinoleic acid, dispersed and good with respect to the water miscible balance of water aspect be preferred.Constitute the aliphatic acid of C composition, can be constituted by a kind in these aliphatic acid, also can be by constituting more than 2 kinds.As the C composition, for example can enumerate the fatty acid soaps shown in the following chemical formula (4).
[changing 4]
(R
7COO
-)
n·M
n+ (4)
(in above-mentioned chemical formula (4), R
7Be the aliphatic alkyl of carbon number 7～21, M
N+Be CATION, n is the integer more than 1.)
In above-mentioned chemical formula (4), as M
N+, can enumerate alkali metal such as sodium, potassium, lithium, alkaline-earth metal such as calcium, magnesium.Wherein, preferred as alkali, further preferred sodium, potassium.
R
7Carbon number be 7～21, preferred 11～21, preferred especially 15～21.At R
7Carbon number be lower than at 7 o'clock, at papermaking operation gassing, so can not obtain good dispersiveness.On the other hand, at R
7Carbon number surpass at 21 o'clock, the dispersed variation under wettability and low the shearing.And then cost raises, so be unsuitable for practicality.In addition, R
7Can be the straight chain shape, also can be a chain, can be saturated, and also can be unsaturated.As R
7, for example can enumerate heptyl, nonyl, undecyl, tridecyl, pentadecyl, heptadecyl, Cetorhinus maximus alkyl, cis-9-heptadecene base etc.Wherein, as R
7, preferred undecyl, tridecyl, pentadecyl, heptadecyl, Cetorhinus maximus alkyl, preferred especially heptadecyl.
C composition when containing the C composition shared ratio in the nonvolatile component of paper grade (stock) synthetic fibre treating agent of the present invention is 5～30 weight %, preferred 5～25 weight %, further preferred 5～15 weight %.By making the C components in proportions in this scope, can in the papermaking operation, give the dispersiveness of good low shearing.
Manufacture method about the C composition is not particularly limited, in for example can coming with alkali and the aliphatic acid of carbon number 8～22 and being made.
(other composition)
Paper grade (stock) synthetic fibre treating agent of the present invention preferably is dispersed with aforesaid composition or with the moisture water-based liquid of aforesaid composition emulsification.As the water that uses among the present invention, can be in pure water, distilled water, Purified Water, soft water, ion exchange water, the running water etc. any.Under the situation of the water-based liquid that contains water, nonvolatile component shared ratio in the entire process agent is preferably 0.05～50 weight %, more preferably 0.5～40 weight %, further preferred 1～30 weight %.
About paper grade (stock) synthetic fibre treating agent of the present invention, be dispersed with aforesaid composition or with the water-based liquid of aforesaid composition emulsification in order to make, in addition in order to improve the wetting characteristics when adhering to, can be complementary and use additive.As the additive that uses for this purpose, can enumerate the anion surfactant of non-ionic surface active agent, alkyl sulfate (salt), alkyl sulfonic ester (salt), the alkyl phosphate (salt) etc. such as copolymer derivative, polyoxyethylene (being designated hereinafter simply as POE) alkyl ether, POE Arrcostab of polyoxyethylene and polyoxypropylene.Also comprise and with the situation of these additives, when making the water-based liquid of finishing agent of the present invention, also can be suitably with an organic solvent.In addition, these additives shared ratio in the nonvolatile component of paper grade (stock) synthetic fibre treating agent is not particularly limited, but preferably is lower than 50 weight %, more preferably less than 20 weight %, further preferably is lower than 10 weight %.
In addition, paper grade (stock) synthetic fibre treating agent of the present invention can also contain antiseptic, antioxidant, preservative agent, delustering agent, pigment, rust inhibitor, aromatic etc. as required.
Nonvolatile component concentration adjustment in the paper grade (stock) synthetic fibre treating agent of the present invention is 1% water emulsion, is the latex that does not produce precipitate under 40 ℃ the situation being heated to.In addition, preferably do not contain anion surfactant and cationic surfactant simultaneously.
(manufacture method of paper grade (stock) synthetic fibre treating agent)
Paper grade (stock) synthetic fibre treating agent of the present invention can according to circumstances be gone back the mixed C composition by mixing A composition and B composition, also mixes other one-tenth as required and assigns to make.Order by merging to each composition is not particularly limited, and in addition, can mix these compositions down in room temperature (20～25 ℃), can mix in heating (20 ℃～80 ℃) back.
About the form of A composition, water-based liquid, paste, powder shaped and bulk etc. are arranged, from the preferred water-based liquid in the property disposed aspect.About the form of B composition, water-based liquid, powder shaped and bulk etc. are arranged, the preferred water-based liquid from the operability aspect.About the form of C composition, preferred water-based liquid, powder shaped and bulk etc., the preferred water-based liquid from the operability aspect.Therefore, paper grade (stock) synthetic fibre treating agent of the present invention, the preferred water-based liquid that contains the water-based liquid of A composition and contain the B composition that mixes according to circumstances also mixes the water-based liquid that contains the C composition, also mixes other one-tenth as required and assigns to make.
As the concentration of the water-based liquid that contains the A composition, for example be 10～40 weight %, as the concentration of the water-based liquid that contains the B composition, for example be 20～100 weight %, as the concentration of the water-based liquid that contains the C composition, for example be 20～50 weight %.
Constitute each composition of paper grade (stock) synthetic fibre treating agent of the present invention, the dissolving that is its water-based liquid (more than at least 10 weight %) under the situation of room temperature (20～25 ℃) or heating (20 ℃～80 ℃) as required in water and become the composition of uniform and stable latex.Therefore, at the manufacturing scene of giving paper grade (stock) synthetic fibre treating agent and so on to synthetic fiber, with the water-based liquid dissolving of each composition, also can prepare the paper grade (stock) synthetic fibre treating agent as stable latex at room temperature or under the condition of heating.
To dispose for the manufacture of the raw material of paper grade (stock) synthetic fibre treating agent of the present invention, take care of, under the situation of transportation etc., even if make A composition and B composition, the coexistence of C composition according to circumstances, the goods of the paper grade (stock) synthetic fibre treating agent of the present invention that obtains have good stability, thereby no problem.At this moment, the water-based liquid as the high concentration product of the cooperation product of these compositions particularly, can prepare the following water-based liquid of 50 weight %.Certainly, can not mix A composition, B composition, C composition and separate separately.
(manufacture methods of paper grade (stock) synthetic fiber)
The manufacture method of paper grade (stock) synthetic fiber of the present invention comprises the operation that paper grade (stock) synthetic fibre treating agent of the present invention is handled the raw material synthetic fiber.Here, the raw material synthetic fiber refer to not carry out the synthetic fiber that the paper grade (stock) synthetic fibre treating agent is handled.The paper grade (stock) synthetic fiber refer to be cut in the mode that can use the staple fibre of specific length in the papermaking operation.The paper grade (stock) synthetic fiber that manufacture method by paper grade (stock) synthetic fiber of the present invention obtains, it is the staple fibre of handling through paper grade (stock) synthetic fibre treating agent of the present invention, therefore the papermaking operation when papermaking is disperseed with low the shearing in water, and bubble is suppressed.
About (raw material) synthetic fiber, be not particularly limited, for example can enumerate polyester fiber, polyamide fiber, polyamide fiber, polyphenylene sulfide (PPS) fiber, acrylic fiber, polypropylene-based fiber, use the composite synthetic fibre etc. of polymer more than 2 kinds in these.Wherein, when synthetic fiber are polyester fiber, the compatibility height of paper grade (stock) synthetic fibre treating agent of the present invention and fiber, preferred in this, more preferably during polyethylene terephthalate (PET) fiber.The filament number of fiber is preferably 0.01～2dtex, and fibre length is preferably 0.5～25mm.Being more than the 5mm and fiber number is under the situation of the paper grade (stock) polyester fiber below 1.0 DENIER in the fibre length that is used for severing particularly, is effective especially.Need to prove, so-called polyester fiber, except pet fiber, refer to that also PLA (PLA) fiber, polytrimethylene terephthalate (PTT) fiber, polybutylene terephthalate (PBT) (PBT) fiber, PEN (PEN) fiber, polyacrylic fiber etc. are by obtaining the fiber that macromolecule constitutes by the reaction that forms ester bond through condensation.
As the raw material synthetic fiber being imposed the operation that the paper grade (stock) synthetic fibre treating agent is handled, as long as use the paper grade (stock) synthetic fiber to carry out handling before the operation of papermaking entering, be not particularly limited.Usually, paper grade (stock) synthetic fiber (staple fibre) can pass through spinning process, stretching process, arranging process, the operation of curling, cut off operation and made, but can utilize at least 1 procedure of selecting from spinning process, stretching process and arranging process that the raw material synthetic fiber are imposed the paper grade (stock) synthetic fibre treating agent handles, can cut off operation and front and back thereof etc. and handle in curling operation and front and back thereof.As processing method (method oils), be not particularly limited, can adopt known method.For example, under situation about handling with spinning process, stretching process, arranging process, can utilize common processing methods (method oils) such as roller contact method, gunite, infusion process to carry out.
Adhesion amount about the nonvolatile component of paper grade (stock) synthetic fibre treating agent is preferably 0.05～2 weight % with respect to the paper grade (stock) synthetic fiber, more preferably 0.1～1 weight %.When adhesion amount was lower than 0.05 weight %, it is insufficient that dispersiveness can become, when surpassing 2 weight %, in the increase of steeping oneself-meeting that rises of papermaking operation dispersion slot.
(manufacture method of papermaking nonwoven fabric)
The manufacture method of papermaking nonwoven fabric of the present invention comprises the operation (being also referred to as the papermaking operation) that the paper grade (stock) synthetic fiber of handling through paper grade (stock) synthetic fibre treating agent of the present invention is disperseed and carry out papermaking in water.About these paper grade (stock) synthetic fiber, in the papermaking operation, stirring/when disperseing, fiber is difficult to twine each other, is dispersed into filament rapidly, and stable dispersion is also good.
As the papermaking operation, can adopt the wet type papermaking operation of conventional method.As wet type papermaking operation, the paper grade (stock) synthetic fiber (staple fibre) that will handle through the paper grade (stock) synthetic fibre treating agent in above-mentioned operation are put in the paper machine and are stirred in water/disperse, and make its suspension.At this moment, disperse with low the shearing in water, bubble is suppressed, and fiber evenly disperses, and can obtain the papermaking of fine texture thus.Then, offer and copy gauze, make l Water Paper.In addition, through making the drying process of l Water Paper drying, the coiling tubular obtains wet type papermaking nonwoven fabric.Copy gauze and be generally cylinder, short net, but also can be fourdrinier wire, rotoformer, hydroformer, connecting rod make-up machine (Japanese: パ one チ Off ォ one マ one) etc.Drying process can be any of a plurality of rotation heating roll-types (multi-cartridge) or Yankee formula drum-type.
In addition, the manufacture method of papermaking nonwoven fabric of the present invention can make raw material synthetic fiber or paper grade (stock) synthetic fiber be scattered in the water that contains above-mentioned paper grade (stock) synthetic fibre treating agent in the papermaking operation and papermaking.
Manufacture method according to papermaking nonwoven fabric of the present invention, for the paper grade (stock) synthetic fiber, can make the favorable dispersibility under low the shearing, make descending of bubble in the papermaking operation, can give the dispersiveness of excellent fiber, manufacturing speed is accelerated, and is not only relevant with cost cutting, but also can obtain the papermaking nonwoven fabric of even and fine texture.
The papermaking nonwoven fabric that utilizes manufacture method of the present invention to obtain is used for well-known various fields.Particularly be suitable as rag, air cleaner, liquid filter, battery separator, artificial leather base fabric, paper nappy, tea-bag, packaging material.
Embodiment
The present invention will be described below to utilize embodiment, but the present invention is not limited to this.Need to prove that assessment item and evaluation method in each embodiment and the comparative example are as follows.Below, " % " all represents " weight % ".
Numerical value in the table 1 represents that all the ratio of nonvolatile component contained in the paper grade (stock) synthetic fibre treating agent is (in composition A1, composition A2 and composition A3, as obtaining as separately aqueous dispersions shown in following, but shown in the table 1 except the ratio of the nonvolatile component separately after anhydrating).
Each composition of table 1 record is as follows.
Composition A1: with dimethyl terephthalate (DMT) and isophthalic acid dimethyl ester with mol ratio 80: 20 and amount to 25 weight portions and mixed, also mix ethylene glycol 20 weight portions and polyethyleneglycol phenyl ether (mean molecule quantity: 3000) 55 weight portions simultaneously, add a spot of zinc acetate and four butanols titaniums as catalyst, make its under normal pressure 175～200 ℃ the reaction 180 minutes, the roughly methyl alcohol of theoretical amount is removed in distillation, and ester exchange reaction is finished.Then, be warmed up to 230 ℃ and make its reaction about 1 hour after, decompression is to 0.5mmHg, make its reaction 20 minutes at 230～260 ℃, next make its reaction 40 minutes with 0.1～0.5mmHg at 275 ℃, in warm water, the polymer (mean molecule quantity 7000) that obtains is dropped into while stirring immediately, obtained the aqueous dispersions of composition A1.The concentration of composition A1 is 20 weight % in the aqueous dispersions that obtains.
Composition A2: with dimethyl terephthalate (DMT) and isophthalic acid dimethyl ester and 5-sulfo group isophthalic acid dimethyl with mol ratio 75: 20: 5 and amount to 25 weight portions and mixed, also mix ethylene glycol 10 weight portions, diethylene glycol 20 weight portions and polyethylene glycol (mean molecule quantity 2000) 55 weight portions simultaneously, as catalyst, add a spot of zinc acetate and four butanols titaniums, make its under normal pressure 175～200 ℃ the reaction 180 minutes, the roughly methyl alcohol of theoretical amount is removed in distillation, and ester exchange reaction is finished.Then, be warming up to 230 ℃ and make its reaction about 1 hour after, decompression is to 0.5mmHg, make its reaction 20 minutes at 230～260 ℃, next make its reaction 40 minutes with 0.1～0.5mmHg at 275 ℃, in warm water, the polymer (mean molecule quantity 5000) that obtains is dropped into while stirring immediately, obtained the aqueous dispersions of composition A2.The concentration of composition A2 is 20 weight % in the aqueous dispersions that obtains.
Composition A3: with dimethyl terephthalate (DMT) and isophthalic acid dimethyl ester with mol ratio 80: 20 and amount to 28 weight portions and mixed, also mix ethylene glycol 7 weight portions and polyethylene glycol monomethyl ether (mean molecule quantity: 1000) 65 weight portions simultaneously, as catalyst, add a spot of zinc acetate and four butanols titaniums, it was reacted 180 minutes at 175～200 ℃ under normal pressure, the roughly methyl alcohol of theoretical amount is removed in distillation, and ester exchange reaction is finished.Then, 230 ℃ make its reaction about 1 hour after, decompression is to 0.5mmHg, make its reaction 20 minutes at 230～260 ℃, next make its reaction 40 minutes with 0.1～0.5mmHg at 275 ℃, in warm water, the polymer (mean molecule quantity 7000) that obtains is dropped into while stirring immediately, obtained the aqueous dispersions of composition A3.The concentration of composition A3 is 20 weight % in the aqueous dispersions that obtains.
Composition B1: the condensation product of laurate and diethanol amine
Composition B2: the condensation product of stearic acid and diethanol amine
Composition B3: the condensation product of myristic acid and diethanol amine
Composition C1: potassium laurate
Composition C2: odium stearate
Composition C3: potassium oleate
Composition C4: behenic acid sodium
Components D 1:POE palmitic acid monoesters MW:2500
[table 1]
(embodiment 1～16 and comparative example 1～7)
(1) preparation of latex
Each composition and water shown in the table 1 are mixed, and having prepared nonvolatile component shared part by weight in paper grade (stock) synthetic fibre treating agent integral body respectively is the embodiment 1～16 of 20 weight %, the paper grade (stock) synthetic fibre treating agent of comparative example 1～7.Part by weight according to concentration nonvolatile component in 25～60 ℃ warm water is the mode of 0.4 weight % respectively, and water dilutes the paper grade (stock) synthetic fibre treating agent that obtains, and has prepared latex.The latex that use obtains is estimated according to (2) of following evaluation method.It is the results are shown in table 2.
Friction (F/F friction) is tested between the fibre/fibre when (2) moistening
As shown in Figure 1, make the polyester filament (150d/48f) (1) after the fibre bundle degreasing before the cutting is soon passed through pulley (2～6), arrange as shown in Figure 1.Filamentary end so that the speed tractive of 3cm/min. is connected with U-shaped Pressure gauge (7) is used in the latex impregnation filament in above-mentioned (1) thus, measures the interfibrous maximal friction (g) of twisting part.The atmosphere of measuring all is 20 ℃ * 65%RH.
(3) papermaking evaluation polyethylene terephthalate staple fibre
In the cotton making that oils, with respect to raw fiber (the polyethylene terephthalate staple fibre of fiber number 1.3dtex, length 5mm) 10g, be the mode of adhering to 0.2 weight % of the fiber after the processing according to making nonvolatile component as the paper grade (stock) synthetic fibre treating agent of evaluation object, the latex 5g of preparation in above-mentioned (1) is adhered to by injection, and drying is 1 hour in 80 ℃ air drier.For the polyethylene terephthalate staple fibre that obtains after the drying (paper grade (stock) synthetic fiber), under the evaluation environmental condition, carry out humiture respectively and regulate, estimate according to (4)～(7) of following evaluation method then.It is the results are shown in table 2.
(4) the low dispersivity test of shearing
In the 500ml beaker, get ion exchange water 500g, to wherein adding test fiber 1.00g, stirred 1 minute with propeller-type mixer (rotating speed 100rpm).After stirring stops, with the dispersity of the fiber of the visual judgement of following determinating reference after 1 minute, and shear dispersed index as fiber low.
＜determinating reference 〉
◎: low shearing is dispersed very good, and fiber evenly disperses.
Zero: low favorable dispersibility, the visible part fibre bundle sheared.
△: low shearing dispersiveness is good slightly, as seen than multi-bundle.
*: low shearing is dispersed bad, visible a lot of fibre bundles.
(5) press down the test of bubble property
In the 500ml beaker, get ion exchange water 500g, to wherein adding test fiber 1.00g, stirred 10 minutes with propeller-type mixer (rotating speed 1000rpm).Stir bubblement after stopping with the visual judgement of following determinating reference, and as the index that presses down bubble property.
＜determinating reference 〉
◎: for the situation of all not bubbling, very good.
Zero: the degree of foaming is for trace and be bubble-tight situation almost, and is good.
△: for the situation of bubbling has taken place, good slightly.
*: for the violent situation that foaming takes place, significantly bad.
(6) deaeration test
In the 500ml beaker, get ion exchange water 500g, to wherein adding test fiber 1.00g, stirred 10 minutes with propeller-type mixer (rotating speed 1000rpm).After stirring stops, using propeller-type mixer (rotating speed 100rpm) to stir again 1 minute.After stirring stops, being attached to the situation of the bubble of fiber with the visual judgement of following determinating reference, and as the index of deaeration.
＜determinating reference 〉
◎: for not seeing the situation of the bubble that is attached to fiber fully, very good.
Zero: for almost not seeing the situation of the bubble that is attached to fiber, good.
△: as seen part is attached to the situation of the bubble of fiber, good slightly.
*: obviously as seen be attached to the bubble of fiber, significantly bad.
(7) dispersivity test
In the 500ml beaker, get ion exchange water 500g, to wherein adding test fiber 1.00g, stirred 10 minutes with propeller-type mixer (rotating speed 1000rpm).Stir the dispersion situation of the fiber after stopping with the visual judgement of following determinating reference, and as dispersed index.
＜determinating reference 〉
◎: dispersed very good, fiber evenly disperses.
Zero: favorable dispersibility, visible part fibre bundle.
△: dispersiveness is good slightly, as seen than multi-bundle.
*: dispersed bad, visible a lot of fibre bundles.
[table 2]
Can be known by table 2, compare with the paper grade (stock) synthetic fiber of the paper grade (stock) synthetic fibre treating agent in the past that has used comparative example 1～7, the paper grade (stock) synthetic fiber bundle of paper grade (stock) synthetic fibre treating agent of the present invention of embodiment 1～16 has oiled, in the papermaking operation when carrying out papermaking by synthetic fiber bundle, because the friction between the fibre/fibre when moistening is low, so fiber is difficult to twine each other.In addition, because the favorable dispersibility under low the shearing, so in filament, disperse rapidly.And then, because press down bubble property, deaeration is good, so the less foaming of fiber owing to be not attached to the bubble of fiber, so stable dispersion is also good.As long as give this paper grade (stock) synthetic fibre treating agent, just can obtain for the papermaking operation of high-qualityization that requires the papermaking nonwoven fabric and high speed and stark suitable paper grade (stock) synthetic fiber.In addition, by using the paper grade (stock) synthetic fiber, can obtain evenly and the papermaking nonwoven fabric of fine texture.
Utilize possibility on the industry
Paper grade (stock) synthetic fibre treating agent of the present invention is fit to use when obtaining the paper grade (stock) synthetic fiber with excellent dispersiveness.The manufacture method of paper grade (stock) synthetic fiber of the present invention is fit to when obtaining the paper grade (stock) synthetic fiber with excellent dispersiveness.The manufacture method of papermaking nonwoven fabric of the present invention is fit to when obtaining the papermaking nonwoven fabric of even and fine texture.
The explanation of symbol
1: the polyester filament
2～6: pulley
7:U type Pressure gauge
8: recording gauge
9: load (20g)
Claims (10)
1. paper grade (stock) synthetic fibre treating agent, its contain the A composition and as the B composition of the condensation product of aliphatic acid and alkanolamine for must composition, described A composition is to form the petchem that at least a kind of dicarboxylic acids or derivatives thereof, aklylene glycol and poly alkylene glycol selecting the property derivative or its derivative obtain through polycondensation from the aliphatic dicarboxylic acid of aromatic dicarboxylic acid, carbon number 4～22 and their ester, wherein
A composition shared ratio in the nonvolatile component of described finishing agent is 40～90 weight %, and the B components in proportions is 5～30 weight %.
2. paper grade (stock) synthetic fibre treating agent as claimed in claim 1, wherein,
Described A composition is aklylene glycol and the poly alkylene glycol of following chemical formula (2) expression or the petchem that its derivative obtains through polycondensation that aromatic dicarboxylic acid and/or its ester of person form derivative, following chemical formula (1) expression,
HO(R
1)OH (1)
Wherein, in the formula, R
1Be the aliphatic alkyl of carbon number 2～8 or the alicyclic alkyl of carbon number 2～8,
H(OR
2)
nOR
3 (2)
Wherein, in the formula, R
2Be the alkylidene of carbon number 2～4, n is 20～200 integer, R
3Be hydrogen atom, aliphatic alkyl or aromatic series base.
3. paper grade (stock) synthetic fibre treating agent as claimed in claim 1 or 2, wherein,
Described B composition is the compound of following general formula (3) expression,
Wherein, in the formula, R
4Be the aliphatic alkyl of carbon number 7～21, R
5Be the hydroxy alkyl of carbon number 1～4, R
6Be the alkyl of hydrogen atom, carbon number 1～4 or the hydroxy alkyl of carbon number 1～4.
4. paper grade (stock) synthetic fibre treating agent as claimed in claim 1 or 2, wherein,
Also contain the C composition as the fatty acid soaps of carbon number 8～22.
5. paper grade (stock) synthetic fibre treating agent as claimed in claim 4, wherein,
A composition shared ratio in the nonvolatile component of described finishing agent is 40～90 weight %, and the B components in proportions is 5～30 weight %, and the C components in proportions is 5～30 weight %.
6. paper grade (stock) synthetic fibre treating agent as claimed in claim 3, wherein,
Also contain the C composition as the fatty acid soaps of carbon number 8～22.
7. paper grade (stock) synthetic fibre treating agent as claimed in claim 6, wherein,
A composition shared ratio in the nonvolatile component of described finishing agent is 40～90 weight %, and the B components in proportions is 5～30 weight %, and the C components in proportions is 5～30 weight %.
8. paper grade (stock) synthetic fibre treating agent as claimed in claim 1 or 2, wherein,
Described finishing agent is the water-based liquid that also contains water, and nonvolatile component shared ratio in the entire process agent is 0.05～50 weight %.
9. the manufacture method of paper grade (stock) synthetic fiber, wherein,
Comprise right to use and require any operation that described paper grade (stock) synthetic fibre treating agent is handled the raw material synthetic fiber in 1～8.
10. the manufacture method of a papermaking nonwoven fabric, wherein,
Comprise that the paper grade (stock) synthetic fiber that make after any described paper grade (stock) synthetic fibre treating agent is handled in claim 1～8 are scattered in the water and the operation of carrying out papermaking.
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| JP2009186496 | 2009-08-11 | ||
| JP2009-186496 | 2009-08-11 | ||
| PCT/JP2010/062197 WO2011018933A1 (en) | 2009-08-11 | 2010-07-21 | Synthetic fiber treating agent for papermaking, method for producing synthetic fiber for papermaking, and method for producing paper-made nonwoven fabric |
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| CN111041836A (en) * | 2019-12-10 | 2020-04-21 | 龙泉服饰(南通)有限公司 | Synthetic fiber treating agent and synthetic fiber treating method |
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| JP3907305B2 (en) * | 1997-06-09 | 2007-04-18 | 竹本油脂株式会社 | Synthetic fiber treatment agent for papermaking and method for treating synthetic fiber for papermaking |
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| JP2004176213A (en) * | 2002-11-27 | 2004-06-24 | Nisshin Kagaku Kenkyusho:Kk | Modifier for paper and method for producing paper |
| JP2004238764A (en) | 2003-02-06 | 2004-08-26 | Sanyo Chem Ind Ltd | Dispersant for papermaking |
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| CN1484720A (en) * | 2001-06-20 | 2004-03-24 | 松本油脂制药株式会社 | Oligomer-diminishing agent for polyester fiber |
| CN1934308A (en) * | 2004-04-07 | 2007-03-21 | 松本油脂制药株式会社 | Fiber-treating agent, short polyester fiber made with the same, and nonwoven fabric |
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|---|
| JP特开平10-331072A 1998.12.15 |
| JP特开平11-61683A 1999.03.05 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120046256A (en) | 2012-05-09 |
| WO2011018933A1 (en) | 2011-02-17 |
| JP4709327B2 (en) | 2011-06-22 |
| JPWO2011018933A1 (en) | 2013-01-17 |
| CN102471994A (en) | 2012-05-23 |
| KR101684864B1 (en) | 2016-12-09 |
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