CN105531421A - Polyethylene oxide treatment for drainage agents and dry strength agents - Google Patents

Polyethylene oxide treatment for drainage agents and dry strength agents Download PDF

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Publication number
CN105531421A
CN105531421A CN201480045034.0A CN201480045034A CN105531421A CN 105531421 A CN105531421 A CN 105531421A CN 201480045034 A CN201480045034 A CN 201480045034A CN 105531421 A CN105531421 A CN 105531421A
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China
Prior art keywords
synthetic polymer
acid
methyl
peo
acrylate
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Pending
Application number
CN201480045034.0A
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Chinese (zh)
Inventor
J·C·哈林顿
L·P·佩尔蒂科内
K·D·谢尔登
B·K·施普拉尔
R·M·韦布吕让
I·D·巴顿
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Solenis Technologies Cayman LP
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Solenis Technologies Cayman LP
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Publication of CN105531421A publication Critical patent/CN105531421A/en
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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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing 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
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp

Abstract

A method of treating a cellulosic slurry to improve drainage is disclosed the method comprises adding a PEO to a cellulosic furnish in an amount of from 0.1 to 10 lbs per ton and adding a synthetic polymer to the furnish in an amount of from 0.1 to 10 lbs per ton, allowing the furnish to drain and forming a paper product.

Description

For the poly(ethylene oxide) process of water discharge agent and dry strength agent
This application claims the rights and interests of the U.S. Provisional Application number 61/864262 submitted on August 9th, 2013, its whole content is combined in this by reference.
Background technology
Paper and paperboard is produced by the aqueous slurry by cellulose fibre, by this paste deposition on the papermaking wire-cloth (wire) or fabric of movement, forms the scraps of paper by draining from the solid constituent of slurry.Compacting and the described scraps of paper of drying after this order, to remove moisture further.
Draining or the dehydration of the fiber pulp on papermaking wire-cloth or fabric are often the conditioning steps realizing paper motor speed faster.The dehydration improved can also cause at the more dry scraps of paper of the formation of press section and drying section, thus reduces energy resource consumption.Chemicals was often added in fiber pulp before its arrives papermaking wire-cloth or fabric, to improve drainage/dehydration property and solid is kept; These chemical substances are called as retention agent and/or filter aid.
Dry strong additive is used for the intensity that paper mill increases paper.It increases the intensity of paper by the formation increasing interior keys.In addition dry strong additive improves the runnability of pop strength, tearing strength, wax choosing value, folding resistance, rigidity, paper machine, and what increase papermaking filler utilizes level etc.Dry strength additive also can reduce hair and dust.
Retention agent and filter aid contain the efficiency in the dissolved organic matter of high-load and batching (furnish) substrate of salt with reduction at some.Two such examples of these batchings are neutral sulfite semichemical product (NSSC) and primary brown paper liner board, wherein there is the soluble lignin of high-load and contain other organic material of high anionic charge.The material of these height anionic properties has neutralized the electric charge on conventional retention agent and filter aid, significantly reduces its validity.
Detailed Description Of The Invention
Have been found that processing cellulosic furnish with polyethylene oxide homopolymer or copolymer (" PEO ") can improve water discharge agent or the performance of strength agents in the cellulosic furnish of the water-soluble lignin containing high-load, wherein this water discharge agent or strength agents are normally inactive.In these cellulosic furnish, soluble lignin content is until 500ppm from 25 parts/1,000,000 parts (ppm).
Be not wishing to be bound by theory, it is believed that this PEO and lignin excessive in cellulosic furnish and other unnecessary anionic materials reacts, permission water discharge agent or reinforcing agent work thus, and can not be subject to the obstruction of reacting with undesirable material.
Molecular weight (Mw) is viscosity average molecular weigh, as determined from characteristic viscosity determining.
PEO can be the homopolymers of oxirane, or the copolymer of oxirane.Suitable comonomer comprises expoxy propane or epoxy butane.The most preferably homopolymers of poly(ethylene oxide).Suitable comonomer in addition for the manufacture of PEO copolymer can be CATION, anion, non-ionic or hydrophobic monomer, and their any mixture.The homopolymers of PEO or the molecular weight ranges of copolymer can be from 1000 dalton until 25,000,000 dalton or 100,000 to 15,000,000 dalton or 1,000,000 to 10,000,000 dalton.Homopolymers containing oxirane or the example of copolymer are Ucarfloc tM300,302,304 and 309 (can obtain from the DowChemical of state of Michigan Midland).
The feed points of PEO process can comprise underflow material (thickstock), grout, plain boiled water, or process water.PEO process can at groove with slurry, and machine chest, blower fan water pump, clarifier, screen centrifuge, save all, white wate tray and plain boiled water storehouse are added.
The process amount ranges of PEO can be PEO polymer from 0.01 pound (lbs) to 10 pounds based on furnish solids per ton.This consumption also can based on batch volume, based on the volume of often batching or sole from the PEO of 0.01ppm to 10,000ppm.PEO provides with dry powder or pelletized product usually, wherein, it is dissolved in site of administration.For the ease of using, it also can be supplied to end user with slurry or dispersion, and it can dilute and send into process flow there.
Water discharge agent or strength agents will play a role due to PEO process, its normally water miscible or water dispersible synthetic polymer (" synthesis macromolecule ").Described synthetic polymer can be non-ionic polymers, cation copolymer or anionic copolymer.
Non-ionic monomer for the manufacture of described synthetic polymer includes but not limited to, acrylamide; Methacrylamide; N-alkyl acrylamide, such as N methacrylamide; N, N-dialkylacrylamides, as N,N-DMAA, methyl methacrylate, methyl acrylate; The mixture of acrylonitrile, N-vinyl methylacetamide, N-vinyl formamide, N-vinyl methyl formamide, vinyl acetate, NVP and any above-mentioned substance.The present invention expects that the non-ionic monomer of other type can use.More than one nonionic monomers can be used for manufacturing synthetic polymer.The non-ionic monomer of preferred use is acrylamide; Methacrylamide, N-vinyl formamide.
Cationic monomer for the manufacture of synthetic polymer includes but not limited to CATION ethylenically unsaturated monomers, and such as poly (dially dialkyl) base halide is if (methyl) acrylate of diallyldimethylammonium chloride, dialkylaminoalkyl compounds is as dimethyl aminoethyl (methyl) acrylate, diethylamino ethyl (methyl) acrylate, dimethylaminopropyl (methyl) acrylate, 2-hydroxyl dimethyl aminopropyl (methyl) acrylate, amino-ethyl (methyl) acrylate and salt thereof and quaternary ammonium salt; N, N-dialkyl aminoalkyl (methyl) acrylamide, as N, N-dimethylaminoethylacrylamide, and salt and quaternary ammonium salt, and aforesaid mixture.Can be used for of more than one nonionic monomers, manufactures described synthetic polymer.Most preferably diallyldimethylammonium chloride and dimethyl aminoethyl (methyl) acrylate and salt thereof and quaternary ammonium salt, and aforesaid mixture.
Poly-(vinylamine) is also for suitable cation synthesising copolymer of the present invention.Polyvinylamine can be homopolymers or copolymer.A kind of method of producing polyethylene polymer is by monomer polymerization, is then hydrolyzed.Hydrolysis level can be expressed as " % degree of hydrolysis " or " degree of hydrolysis % ", in mole.Therefore hydrating polymer can be described to, and " % is hydrolyzed." level that is hydrolyzed in addition can be approximate.With regard to the goal of the invention of applicant, be called as that " 50% hydrolysis " poly-(vinyl amine) refer to from 40% to 60% hydrolysis.Similarly, poly-(vinyl amine) of about 100% hydrolysis represents the degree of hydrolysis of 80% to 100%.Some or all monomers that hydrolysis causes change into amine, because reacted by controlled hydrolysis, just can change the obtained percentage with the monomer of amine degree of functionality.
Example for the manufacture of the monomer of poly-(vinyl amine) includes but not limited to, N-vinyl formamide, N-vinyl methyl formamide, N-vinyl phthalimide, N-vinylsuccinimide, N-vinyl-t-butylcarbamate, N-vinyl acetamide and any aforesaid mixture.Most preferably by N-vinyl formamide hydrolysis prepared by polymer.When copolymer, such as those non-ionic monomer above-mentioned is preferred comonomer.Or poly-(vinyl amine) can be prepared by the derivatization of polymer.The example of the method includes but not limited to, the Hofmann reaction of polyacrylamide.It is expected to, other route of synthesis of poly-(vinyl amine) or polyamines can be used.
Non-ionic monomer can fall into about 100: 1 to 1: 100 to the molar percentage of cationic monomer, or 80: 20 to 20: 80, or in the scope of 75: 25 to 25: 75 or 40: 60 to 60: 40, wherein the molar percentage of non-ionic monomer and cationic monomer is added up and is necessary for 100%.But it should be understood that and to may reside in synthetic polymer more than a kind of nonionic or cationic monomer.
Anionic monomer for the manufacture of synthetic polymer includes but not limited to acrylic acid; Methacrylic acid; Maleic acid; Itaconic acid, acrylamidoglycolic acid, 2-acrylamide-2-methyl 1-propane sulfonic acid, 3-allyloxy-2-hydroxyl-1-propane sulfonic acid, styrene sulfonic acid, vinyl sulfonic acid, vinyl phosphonate, the free acid of 2-acrylamide-2-methylpropane phosphonic acid and the mixture of salt and any above-mentioned substance.Modal is free acid or the salt of acrylic acid, methacrylic acid and 2-acrylamide-2-methyl 1-propane sulfonic acid.When the salt form of acid is for the manufacture of anionic polymer, this salt is selected from Na +, K +or NH 4.Anionic monomers more than a type can be used for manufacturing synthetic polymer.
The molar percentage of non-ionic monomer and anionic monomer can fall in the scope of about 100: 1 to 1: 100 or 90: 10 to 30: 70 or 40: 60 to 70: 30, and wherein non-ionic monomer must be added with the molar percentage of anionic monomer and reach 100%.Should be appreciated that the non-ionic monomer more than a type can exist.Also be appreciated that the cationic monomer more than a type can exist.
The polymer that is water-soluble or aqueous dispersion of synthesis also can be modified to give synthetic polymer extra attribute, or changes synthetic polymer structure.The polymerization of monomer can be carried out under multifunctional reagent exists, or this multifunctional reagent may be used for the rear polymerization processing polymer.Useful multifunctional reagent comprises and has at least two double bonds, a double bond and a reactive group, or the compound of two reactive groups.The example of those compounds containing at least two double bonds is N, N-methylene-bisacrylamide, N, N-methylenebismethacrylamide, polyethyleneglycol diacrylate, macrogol ester dimethylacrylate; N-vinyl acrylamide, divinylbenzene, triallyl ammonium and N-methylallylacrylamide.Polyfunctional branching agent containing at least one double bond and at least one reactive group comprises glycidyl acrylate; Glycidyl methacrylate; Acrolein; And n-methylolacrylamide.Polyfunctional branching agent containing at least two reactive groups comprises twain-aldehyde compound, as glyoxal; With di-epoxy compounds; Chloropropylene oxide.
The example of the synthetic polymer used in the present invention includes but not limited to polyvinylamine, glyoxalated cationic polyacrylamide and cationic polyacrylamide.The preferably polyvinylamine of 100% hydrolysis, the cationic polyacrylamide of the polyvinylamine of 50% hydrolysis and the cationic monomer containing at least 10 % by mole.An example can be the cationic polyacrylamide containing at least 10 % by mole of diallyldimethylammonium chlorides or 10 % by mole of dimethyl aminoethyl (methyl) acrylate.Polymer useful in addition of the present invention comprises Perform tMproduct as SP7200 (anion-polyacrylamide polymer), (Hercules company, WilmingtonDE; Hercobond tM6350 (polyvinylamine copolymer polymer), Hercobond tM6363 (polyvinylamine copolymers), Hercobond tM6950 (polyvinylamine copolymers), Hercobond tM1307 (cationic polyacrylamide of modification), Perform tMpC8181 (cationic polyacrylamide), Perform tMpC8179 (cationic polyacrylamide).
Nonionic, the molecular weight ranges of CATION or anionic polymer can be 10,000 to 50,000,000 dalton, or 1,000,000 to 25,000,000 dalton, or 5,000,000 to 20,000,000 dalton.
Process adds PEO to cellulosic furnish (slurry) by the feed points in paper manufacturing systems, and add and carry out in water-soluble or water dispersible synthetic polymer to treated slurry.Described PEO can add at identical feed points or different feed points with described synthetic polymer.Described PEO and synthetic polymer can simultaneously, separately or add as mixture.In one embodiment, PEO and synthetic polymer can be sequentially added in paper manufacturing systems.Then by slurry draining on papermaking wire-cloth, fiber pulp is dewatered and forms the scraps of paper.When PEO and synthetic polymer are bonded to each other use, the drainage of improvement can be observed.
When PEO uses together with synthetic polymer, less synthetic polymer can be used, and still keep identical performance level (drainage).
The feed points of synthetic polymer can comprise underflow material or grout.The possible interpolation point of synthetic polymer can comprise groove with slurry, machine chest, blower fan water pump, clarifier, and before or after screen centrifuge.The amount ranges of synthetic polymer can be living polymer from 0.01 pound to 10 pounds based on furnish solids per ton, or is 0.01 to 5 based on furnish solids per ton, or 0.05 to 5, or 0.1 to 2 pound of described polymer.Synthetic polymer with drying or granular powder, the aqueous solution or dispersion or inverse emulsions manufacture, and can be supplied to end user.
The scope of the weight ratio of the water-soluble polymer of PEO and synthesis can from 100: 1 to 1: 100, or 80: 20 to 20: 80 or 50: 50 to 10: 90.
Conventional paper making pulp is comprised, as traditional chemical pulp for the suitable cellulosic furnish of the inventive method or fibre pulp.Such as, bleaching and unbleached sulfate pulp and sulfite pulp can be used, mechanical pulp as ground wood pulp, thermomechanical paper pulp, chemi-thermomechanical paper pulp, regenerated paper pulp is corrugation case as usual, newsprint, wastepaper, magazine paper and other non-deinking refuses, deinking refuse, and their mixture.The pH scope of cellulosic furnish or slurry can be 4 to 8.
Embodiment
Utilization comprises neutral sulfite semichemical product (NSSC), primary brown paper, and the paper machine slurry of old corrugated container (OCC) has carried out a series of draining experiment.Use the drainage performance of vacuum test to the inventive method to evaluate, wherein Buchner funnel is fixed on graduated cylinder top.In beaker, use mechanical overhead blender to mix 500 milliliters of (ml) pulps, and (noted) polymer treatment indicated is added successively.The time needed for dated amount of filtrate collected in record, and the wherein lower time represents desired draining faster.PEO is the homopolymers of a kind of high molecular (700 ten thousand), Hercobond tM6950 is cation-modified polyamine water-soluble polymers (Hercules, WilmingtonDE).Digital proof in table 1, compared with untreated system, Hercobond tM6950 do not have draining to respond.The draining response of PEO is significant.Notice that the inventive method has high draining response, wherein pulp is first with PEO process, then adds Hercobond tM6950.
Table 1
PEO Hercobond 6950
Operation number #/T #/T 200ml 250ml
1 0 0 720 n/a
2 0.2 0 29 52
3 0.2 0.5 13 19
4 0.2 0.25 14 22
5 0.1 0 150 360
6 0.1 0.5 10 13
7 0 0.5 780 n/a
8 0.2 0.5 23 45

Claims (16)

1. one kind processes cellulose paste to improve the method for drainage, it comprises and adds in cellulosic furnish with the amount of 0.1-10 pound/ton by PEO, with with the amount of 0.1-10 pound/ton, synthetic polymer is added in described batching, makes this batching dewater and form paper product.
2. method as claimed in claim 1, wherein said PEO is selected from the homopolymers of oxirane, the copolymer of oxirane and expoxy propane, and the copolymer of oxirane and epoxy butane.
3., as the method for claim 1 or 2, wherein this synthetic polymer is anionic polymer.
4. the method any one of claim 1-3, wherein this synthetic polymer is anionic polyacrylamide.
5., as the method for claim 1 or 2, wherein this synthetic polymer is cationic polyacrylamide.
6. the method any one of claim 1-3, wherein this synthetic polymer is the homopolymers or the copolymer that comprise polyvinylamine or polyvinyl formamide.
7. the method any one of claim 1-6, wherein this PEO has between 100,000 and 15,000,000 daltonian molecular weight.
8. the method any one of claim 1-7, wherein this synthetic polymer has 1,000,000-25,000,000 daltonian molecular weight.
9. as the method for claim 3 or 4, wherein said anionic polymer uses at least one anionic monomer to make, and this anionic monomer monomer is selected from acrylic acid, methacrylic acid, maleic acid, itaconic acid, acrylamidoglycolic acid, 2-acrylamide-2-methyl isophthalic acid-propane sulfonic acid, 3-allyloxy-2-hydroxyl-1-propane sulfonic acid, styrene sulfonic acid, vinyl sulfonic acid, vinyl phosphonate, the free acid of 2-acrylamide-2-methylpropane phosphonic acid and the mixture of salt and any above-mentioned substance.Free acid or the salt of the most frequently used is acrylic acid, methacrylic acid and 2-acrylamide-2-methyl isophthalic acid-propane sulfonic acid.
10., as the method for claim 5 or 6, wherein this cationic polymer uses at least one cationic monomer to make, and this cationic monomer is selected from diallyldialkylammonium halide, such as diallyldimethylammonium chloride; (methyl) acrylate of dialkylaminoalkyl compounds, such as dimethyl aminoethyl (methyl) acrylate, diethylamino ethyl (methyl) acrylate, dimethylaminopropyl (methyl) acrylate, 2-hydroxydimethylaminopropyl (methyl) acrylate, amino-ethyl (methyl) acrylate and salt thereof and quaternary ammonium salt; N, N-dialkyl aminoalkyl (methyl) acrylamide, such as N, N-dimethylaminoethylacrylamide and its salt and quaternary ammonium salt, and aforesaid mixture.
11. methods any one of claim 1-10, wherein PEO to the weight ratio of synthetic polymer from the scope of about 100: 1-about 1: 100.
12. methods any one of claim 1-11, wherein the ratio of PEO and synthetic polymer is about 80: 20-about 20: 80.
13. methods any one of claim 1-12, wherein the ratio of PEO and synthetic polymer is about 50: 50-about 10: 90.
14. methods any one of claim 1-10, the amount wherein joining the synthetic polymer in described batching is the synthetic polymer of furnish solids per ton about 0.05 pound of-Yue 5 pounds.
15. methods any one of claim 1-14, the amount wherein joining the synthetic polymer in described batching is the synthetic polymer of furnish solids per ton 0.1 pound-2 pounds.
16. methods any one of claim 1-15, the soluble lignin content of wherein said cellulosic furnish is 25ppm-500ppm.
CN201480045034.0A 2013-08-09 2014-08-07 Polyethylene oxide treatment for drainage agents and dry strength agents Pending CN105531421A (en)

Applications Claiming Priority (3)

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US201361864262P 2013-08-09 2013-08-09
US61/864,262 2013-08-09
PCT/IB2014/002506 WO2015063585A2 (en) 2013-08-09 2014-08-07 Polyethylene oxide treatment for drainage agents and dry strength agents

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AU (1) AU2014343348A1 (en)
BR (1) BR112016002152A2 (en)
CA (2) CA2918468A1 (en)
MX (1) MX2016000879A (en)
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AR107710A1 (en) * 2016-02-23 2018-05-23 Ecolab Usa Inc HYDRAZIDE INTERRUPTED POLYMER EMULSIONS FOR USE IN RECOVERY OF CRUDE OIL
WO2018035109A1 (en) * 2016-08-16 2018-02-22 Solenis Technologies, L.P. Method of manufacturing paper with unbleached cellulose pulp suspension containing organic residues
US10941524B2 (en) * 2018-11-30 2021-03-09 Solenis Technologies, L.P. Pulp mixture

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CN112218930A (en) * 2018-04-04 2021-01-12 索理思科技公司 Application of strength additive foam aid to paper products
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EP3030716A2 (en) 2016-06-15
US20150041090A1 (en) 2015-02-12
TW201512491A (en) 2015-04-01
MX2016000879A (en) 2016-05-05
BR112016002152A2 (en) 2017-08-29
AU2014343348A1 (en) 2016-02-04
WO2015063585A2 (en) 2015-05-07
CA2918468A1 (en) 2015-05-07
KR20160040297A (en) 2016-04-12
WO2015063585A3 (en) 2015-07-16

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Application publication date: 20160427