WO1985001533A1 - Process for making neutral paper - Google Patents

Process for making neutral paper Download PDF

Info

Publication number
WO1985001533A1
WO1985001533A1 PCT/JP1984/000468 JP8400468W WO8501533A1 WO 1985001533 A1 WO1985001533 A1 WO 1985001533A1 JP 8400468 W JP8400468 W JP 8400468W WO 8501533 A1 WO8501533 A1 WO 8501533A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
emulsion
succinic anhydride
oil
substituted succinic
Prior art date
Application number
PCT/JP1984/000468
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Kimio Kawatani
Takashi Fujikawa
Eiji Watanabe
Original Assignee
Arakawa Kagaku Kogyo Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arakawa Kagaku Kogyo Kabushiki Kaisha filed Critical Arakawa Kagaku Kogyo Kabushiki Kaisha
Publication of WO1985001533A1 publication Critical patent/WO1985001533A1/ja

Links

Classifications

    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid
    • D21H17/16—Addition products thereof with hydrocarbons
    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid

Definitions

  • the present invention relates to a neutral papermaking method using a substituted succinic anhydride type sizing agent. More specifically, after passing through a water-in-oil emulsion composed of a substituted succinic anhydride, a surfactant and water, the mixture is diluted with water, phase-reversed, and dispersed.
  • the present invention relates to a neutral papermaking method having a continuous dispersing step of an oil-in-water type emulsion.
  • Conventional papermaking sizing agents include those conventionally produced from natural rosin or modified rosin, especially maleic acid adducts of rosin.
  • the so-called reinforced rosin size agents that have been used are widely used.
  • These sizing agents are used in the acid sizing method in which sulfuric acid band is used to fix the sizing agent.
  • sulfuric acid band which is an essential component, lowers the pH of the papermaking system, causing corrosion of papermaking equipment and the strength and strength of the obtained paper.
  • durability is reduced.
  • inexpensive alkaline fillers such as calcium carbonate
  • the papermaking process is required to be a continuous process from the viewpoint of production efficiency.
  • Each of the neutral sizing agents is used in the form of an emulsion, but is easily hydrolyzed due to insufficient hydrolytic stability of the anhydride ring of the substituted succinic anhydride as an active ingredient of the sizing agent.
  • it has a drawback that the original size effect cannot be exhibited. Therefore, it is necessary to disperse the sizing agent immediately before papermaking or to provide a dispersing step during the papermaking process.
  • the emulsion sizing agent must be added to the pulp slurry in a fixed amount without lowering the production efficiency in the milling process.
  • a protective alloy which is a suspending agent such as starch, gelatin, and polyvinyl alcohol, must be used as an essential component.
  • a specific strong agitation device such as a mechanical stirrer, mechanical homogenizer or ultrasonic homogenizer, it is possible to first disperse in water. You can.
  • the dicarboxylic anhydride is usually added to water by a high shearing force accompanying high-speed stirring of about 10,000 to 20,000 rpm. It is almost satisfactory in terms of the size effect. However, if the device is used, a certain amount of time (more than 5 minutes of rush) will be required for the park during staying.
  • Pores are more likely to be clogged by a sizing agent or a contaminant that is accidentally mixed in, and a situation in which continuous operation must be stopped is likely to occur.
  • the pore size is relatively large (for example, about 1 000 m)
  • the above problem can be solved, but the dispersion of substituted dicarboxylic acid anhydride tends to be difficult.
  • none of these methods are still satisfactory when applied to the actual papermaking process.
  • a specific example of the orifice is a bench-tube type dispersing device, but it is difficult to adjust the feed amount and the feed pressure of the sizing agent.
  • the continuous process is still unsatisfactory, and the fine dispersion of the sizing agent is not sufficient. It is difficult to say that it is enough for a single passage.
  • the conventionally known suspension (dispersion) method for the substituted succinic anhydride type sizing agent uses a fine dispersion which exhibits an excellent size effect.
  • the present invention relates to a neutral papermaking method using a substituted succinic anhydride type sizing agent, wherein a substituted succinic anhydride type, a surfactant and water are used to form a water-in-oil emulsion, which is then diluted with water.
  • the present invention also relates to a neutral extraction method characterized by providing a continuous dispersing step of finely dispersing an oil-in-water type emulsion by phase inversion.
  • the substituted succinic anhydride contained in the sizing agent according to the present invention is not particularly limited, and is not known in the art.
  • the deviation can also be used, and those described in JP-B-39-2305 and JP-B-53-28526 can be exemplified. More specifically,
  • R 1 represents an alkyl group or an alkenyl group having 9 to 23 carbon atoms, preferably 13 to 19 carbon atoms.
  • R 2 is a straight-chain or branched alkyl group having 1 to 27 carbon atoms
  • R 3 is a straight-chain or branched alkyl group having 2 to 28 carbon atoms.
  • the substituted succinic anhydrides represented by the above general formula (I) are ⁇ -amino olefins having a double bond at the terminal or their oligomers and maleic anhydrides. It is obtained by an acid addition reaction.
  • substituted succinic anhydride examples include iso-octadecenyl succinic anhydride, ⁇ -hexadecenyl succinic anhydride, dodecenyl succinic anhydride, The hydrogenation reaction of lysobutenyl succinic anhydride and the like and the unsaturated substituted succinic anhydride is performed to obtain the corresponding hydrated succinic anhydride. Things are given.
  • the branched-chain substituted succinic anhydride represented by the general formula on can be obtained by an addition reaction between an internal olefin and maleic anhydride.
  • substituted succinic anhydrides include internal modifiers such as decene-5, dodecene-6, tetradecene-7, hexadecene-7, octadecene-9, and eicosene-11. And the corresponding saturated substituted succinic anhydrides obtained by hydrogenating these unsaturated substituted succinic anhydrides.
  • the reaction of the ⁇ -olefin or the internal refin with maleic anhydride is carried out in the presence or absence of a starvation medium, preferably in an inert atmosphere, at normal pressure. Or it is performed under pressure.
  • the reaction humidity should be 180-250, preferably 190-220, and the reaction time should be 1-50 hours, preferably 10-36 hours.
  • the molar ratio between the olefins and maleic anhydride is not particularly limited, but is usually 0.4 to 2 moles, preferably 0 moles of maleic anhydride, per mole of the old olefins. It is appropriate to use ⁇ to 1.3 mol.
  • the substituted succinic anhydride can be obtained by removing unreacted olefins and maleic anhydride by distillation.
  • a surfactant is an indispensable component for preparing a dispersion of a substituted succinic anhydride.
  • the surfactant used in the present invention is not particularly limited, and any of conventionally known surfactants may be used alone or in combination.
  • examples of the anionic surfactant include sodium dodecyl benzene sulfonate, sodium raurylsulfate, and ammonium salt of poly (oxyethylene alkyl ether sulfate).
  • the former two are the following nonions
  • the surfactant may be used in combination with the surfactant, or the latter may be used alone.
  • Nonionic surfactants include polyoxyethylene alkyl ethers, polyoxyethylene alkyl esters, polyxylene sorbitan fatty acid esters, and polyoxyethylene sorbitan fatty acid esters.
  • Polyethylene alkylphenylamine, polyoxyethylene alkylamine, polystyrene alkylalkylamide, ester of high-efficiency alcohol and fatty acid, high-grade Such as alcohol, acetylated polyethylenic alkyl ether, acetylated polyoxyethylene alkyl phenyl ether, and polyoxyethylene. Examples include acetylated products of resorbitan fatty acid ester.
  • the present invention can suitably obtain a fine dispersion of a substituted succinic anhydride, and can provide a continuous dispersing process applicable to an actual machine.
  • the purpose of the present invention is not limited to the necessity of using a specific stirring device or the like, and the conventional stirring device can be used as it is. To achieve.
  • a substituted succinic anhydride, a surfactant, and water are mixed to form a water-in-oil emulsion.
  • the water-in-oil emulsion refers to a case where the continuous phase is an oil (substituted carboxylic anhydride and a surfactant) and the dispersed phase is water.
  • the mixing ratio of the substituted succinic acid and the surfactant is appropriately determined in consideration of the foaming properties, the particle size, and the like of the obtained fine dispersion. However, it is usually preferable that the weight ratio be 100: 5 to 100: 20. If the amount of the surfactant used does not fall within the above range, the particle size of the obtained dispersion becomes large, so that the desired size effect cannot be obtained.
  • the mixing ratio of the above two components and water should be carefully determined because it has a significant effect on the formation of a water-in-oil emulsion. It is advisable to mix them so that the total% (weight 6, hereinafter referred to as “circumferential”) with the surfactant is 60 to 95%.
  • the concentration is less than 60%, an oil-in-water emulsion is obtained directly and coarse particles having a particle diameter of usually 5 to 6 m are obtained.
  • the concentration exceeds 95% the emulsion having a small particle size according to the present invention is difficult to obtain, and usually becomes coarse particles having a particle size of 5 to 6 ⁇ m.
  • a general agitator such as an agitator with low shearing force or a pipe mixer.
  • a predetermined amount of diluted water is added to the water-in-oil emulsion obtained in this way, and through a reversal process, an oil-in-water emulsion having a predetermined concentration can be obtained.
  • a general stirring device is used as it is.
  • a pi-prime mixer is used in both the step of forming a water-in-oil emulsion and the step of inverting the emulsion to form an oil-in-water emulsion. If the above components are injected by the proportional injection method, a continuous dispersing process suitable for the papermaking process can be provided.
  • the obtained emulsion is excellent in storage stability and water dilution stability, and is also a dispersion having an average particle diameter of usually 1 xzm or less, so that it can exhibit an excellent size effect. .
  • the dispersion of the size agent obtained above is usually added to the pulp so that the solid content is 0.05 to 5%. In addition, the fixability of the size agent to pulp is improved.
  • styrenic compounds for example, polyethylenimine resin, styrenic polyacrylamide resin, It is possible to use, for example, a polyamide resin or a cationic starch derivative.
  • a water-in-oil emulsion is formed according to the present invention, and then diluted water is added to the oil-in-water emulsion through an inversion process.
  • a continuous dispersing process can be provided, and neutral paper having excellent size performance can be produced.
  • An alkenyl carboxylic anhydride was obtained by subjecting a branched-chain (14-year-old refrigerated oligomer) to maleic anhydride by addition reaction.
  • Alkenyl carboxylic anhydride was obtained by subjecting a branched ⁇ -branched oligomer having 20 carbon atoms to an addition reaction with maleic anhydride.
  • Alkenyl succinic anhydride was obtained by subjecting tetradecen-7 to an addition reaction with maleic anhydride.
  • Alkenyl succinic anhydride was obtained by the addition reaction of maleic anhydride to eicosene-11.
  • O PI Alkenyl succinic anhydride was obtained by adding maleic anhydride to octadecene-9.
  • the average particle size and standard deviation of the emulsion were measured using a Coulter Counter (model TA-IT, manufactured by COULTER ELECTRONICS). After further consolidation, values of 0.835 m and 0.713 Ad m were obtained, respectively.
  • the size effect of the emulsion was measured according to the following size performance test method. Table 1 shows the results.
  • the pulp (L-BKP) was beaten to Canadian ⁇ Standard ⁇ Freeness 450 ⁇ to obtain a 1% aqueous slurry.
  • Polyamide resin (Arakawa Chemical Co., Ltd., Araix 100) was used as a fixing agent in the slurry at a concentration of 0.3% (solid content conversion) based on the pulp.
  • the sizing agent obtained in this example was added to the pulp at 0.1 or 0.2% (solids conversion) to be uniformly dispersed.
  • the obtained slurry was trimmed to a basis weight of 60 ⁇ 1 using a tapping ⁇ standard ⁇ sheet machine.
  • the moisturizing water thus obtained is compressed and dehydrated, dried at 100 in the garden, and then soaked for 24 hours at 65% relative humidity.
  • Example 1 Various oil-in-water emulsions were obtained in the same manner as in Example 1 except that the various alkenyl succinic anhydrides obtained in Reference Examples 2 to 5 were used. The average particle diameter, standard Lizhi difference and size effect were determined in the same manner as in Example 1. Table 1 shows the results.
  • Example 2 The water content was adjusted so that the solid content of the water-in-oil emulsion in Example 1 was 80% and 90% (corresponding to Examples 11 and 12 respectively). Others obtained oil-in-water emulsion emulsions in the same manner as in Example 1. These average particle diameters, standard deviations and size effects were measured in the same manner as in Example 1. The results are shown in Table 2.

Landscapes

  • Paper (AREA)
  • Colloid Chemistry (AREA)
PCT/JP1984/000468 1983-10-06 1984-10-03 Process for making neutral paper WO1985001533A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP18755983A JPS6081397A (ja) 1983-10-06 1983-10-06 中性抄紙方法
JP58/187559 1983-10-06

Publications (1)

Publication Number Publication Date
WO1985001533A1 true WO1985001533A1 (en) 1985-04-11

Family

ID=16208196

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1984/000468 WO1985001533A1 (en) 1983-10-06 1984-10-03 Process for making neutral paper

Country Status (3)

Country Link
JP (1) JPS6081397A (enrdf_load_stackoverflow)
DE (1) DE3490455T1 (enrdf_load_stackoverflow)
WO (1) WO1985001533A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11083791B2 (en) 2010-04-16 2021-08-10 Biogen Ma Inc. Anti-VLA-4 antibodies

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887397A (ja) * 1981-11-20 1983-05-25 出光興産株式会社 紙サイズ剤混合物
JPS5887398A (ja) * 1981-11-20 1983-05-25 出光興産株式会社 サイズ剤組成物
JPS58197396A (ja) * 1982-05-13 1983-11-17 出光興産株式会社 製紙用サイズ剤エマルジョン

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845731A (ja) * 1981-09-11 1983-03-17 Seiko Kagaku Kogyo Co Ltd 置換コハク酸無水物の水性分散液，その製造方法，及び該置換コハク酸無水物の水性分散液からなる製紙用サイズ剤

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887397A (ja) * 1981-11-20 1983-05-25 出光興産株式会社 紙サイズ剤混合物
JPS5887398A (ja) * 1981-11-20 1983-05-25 出光興産株式会社 サイズ剤組成物
JPS58197396A (ja) * 1982-05-13 1983-11-17 出光興産株式会社 製紙用サイズ剤エマルジョン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11083791B2 (en) 2010-04-16 2021-08-10 Biogen Ma Inc. Anti-VLA-4 antibodies

Also Published As

Publication number Publication date
DE3490455T1 (de) 1985-09-19
JPH039236B2 (enrdf_load_stackoverflow) 1991-02-07
JPS6081397A (ja) 1985-05-09

Similar Documents

Publication Publication Date Title
JP2000507651A (ja) サイズ剤組成物、その製造方法及び用途
JPH05140897A (ja) 内面サイズ紙の製造方法
JPH0577797B2 (enrdf_load_stackoverflow)
JPH0214478B2 (enrdf_load_stackoverflow)
WO1985001533A1 (en) Process for making neutral paper
JPH06128896A (ja) アルケニルコハク酸系エマルションサイズ剤
JPH0657684A (ja) 製紙用サイズ剤
EP0228801B1 (en) Aqueous dispersed solution of substituted succinic anhydride
JPS61234927A (ja) 置換コハク酸無水物の水性分散液及びその製造方法
JP3102958B2 (ja) 製紙用サイズ剤
JP3095906B2 (ja) アルケニルコハク酸無水物エマルションサイズ剤
JP3491325B2 (ja) ロジン系エマルション組成物、その製造方法、サイズ剤、サイジング方法及びサイズされた紙
US4404034A (en) Process for preparing aqueous dispersion of rosin-base materials
JPS5948031B2 (ja) ロジン物質の水性エマルジヨン
JPH02127594A (ja) 置換コハク酸無水物を使用して行う製紙原料のサイズ化法
JP3477932B2 (ja) 製紙用ロジン系エマルジョンサイズ剤および紙サイジング方法
JP2799505B2 (ja) エマルジョンサイズ剤
JP2997885B2 (ja) カチオン性ロジンエマルジョンサイズ剤の製造方法
JPS6334902B2 (enrdf_load_stackoverflow)
JPH03294596A (ja) カチオン性ロジンエマルジヨンサイズ剤
JP2840377B2 (ja) ケテンダイマー系サイズ剤および該サイズ剤を用いてなる紙サイジング方法
JP3221949B2 (ja) 製紙用サイズ剤組成物
JPH03174092A (ja) カチオン性ロジンエマルジョンサイズ剤の製造方法
JPS59144695A (ja) 製紙用サイズ剤
JPS6321995A (ja) 中性抄紙用の乳化装置

Legal Events

Date Code Title Description
AK Designated states

Designated state(s): DE US

RET De translation (de og part 6b)

Ref document number: 3490455

Country of ref document: DE

Date of ref document: 19850919

WWE Wipo information: entry into national phase

Ref document number: 3490455

Country of ref document: DE