CN108424494A - A kind of preparation method of the amphoteric resin of acetaldehyde and its application in papermaking - Google Patents
A kind of preparation method of the amphoteric resin of acetaldehyde and its application in papermaking Download PDFInfo
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- CN108424494A CN108424494A CN201810008415.1A CN201810008415A CN108424494A CN 108424494 A CN108424494 A CN 108424494A CN 201810008415 A CN201810008415 A CN 201810008415A CN 108424494 A CN108424494 A CN 108424494A
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- acid
- acetaldehyde
- methyl
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/34—Esters containing nitrogen, e.g. N,N-dimethylaminoethyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/28—Condensation with aldehydes or ketones
-
- 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
- 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
- D21H21/14—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 characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
With the use of paper machine white water closed circulation, the rubbish of whole system increases so that the cationic acrylamide copolymer of the previous glyoxalated for being used as strengthening for paper is deteriorated to the enhancing effect of paper.In order to solve the problems, such as this, the present invention proposes a kind of preparation method of the amphoteric resin of acetaldehyde, for the glyoxalated polyacrylamide paper making intensifier that the amphoteric resin for the acetaldehyde prepared using the invention is sold with respect to existing market, it can be good at solving the problems, such as that enhancing effect is insufficient caused by white water system.
Description
Technical field
The present invention relates to papermaking chemical product field, be specifically related to a kind of amphoteric resin of acetaldehyde preparation method and its
Application in papermaking.
Background technology
With the use of paper machine white water closed circulation, the rubbish of whole system increases so that previous to be used as paper increasing
The cationic acrylamide copolymer (with reference to patent document US3556932A, CN104592441A) of strong glyoxalated is to paper
Enhancing effect be deteriorated, proposed some strategies although current to solve this problem, for example patent document
US20080308242A1 is proposed：Increase the dosage of cationic monomer to further increase the enhancing effect of product, but does not reach
To satisfactory purpose.
Invention content
In order to solve problem above, the present invention proposes a kind of amphoteric resin preparation method of acetaldehyde and its in papermaking
Using.The amphoteric resin of the acetaldehyde prepared using the present invention can be good at solving previous general caused by white water system
The insufficient problem of logical glyoxalated polyacrylamide product enhancing effect.
A kind of amphoteric resin preparation method of acetaldehyde comprising：
(1) preparation of primary both sexes branching type graft copolymer：
The non-ionic monomer (a) of certain mass is weighed, cationic monomer (b), crosslinking agent (d), contains anionic monomer (c)
Copolymer (e), the chain-transferring agent (f) of amido, wherein (a), (b), (c), (d), (e), (f) collectively constitute A, and non-ionic monomer
(a) the ratio between the amount of substance for accounting for A is：40%~70%, it is 20%~50% that cationic monomer (b), which accounts for the ratio between amount of substance of A,
The dosage of anionic monomer (c) account for the ratio between amount of substance of A be 10%~20%, the dosage of crosslinking agent (d) is relatively low, account for (a),
(b), the 0.005%~0.05% of the amount of the total material of (c), (e) containing amine polymer account for the gross mass of (a), (b) and (c)
10ppm~100ppm, chain-transferring agent (f) account for the 0.001%~0.01% of the amount of the total material of (a), (b) and (c)；
The above load weighted A is added in dereaction solvent so that component A accounts for the 25% of mixed reaction solution gross mass
~40%, whole system is warming up to 40~100 DEG C, initiator initiation reaction is then added, wherein initiator accounts for component A quality
0.05%~5%；
When polymer viscosity reaches 200-1000CPs, temperature is dropped to room temperature, and reaction was completed, and it is branched to obtain primary both sexes
Type graft copolymer.
(2) prepared by the hydroformylation of primary both sexes branching type graft copolymer：
The both sexes branching type graft copolymer that will be obtained in previous step, make its under conditions of PH is 6~10 with aldehydes
It closes object to react, reaction temperature control, until it is 60~100CPs to be reacted to viscosity, terminates reaction at 20 DEG C~40 DEG C.This
Field technology personnel suitably adjust PH, temperature, reaction medium etc. according to used raw material.
Wherein part A includes non-ionic monomer (a), cationic monomer (b), anionic monomer (c), crosslinking agent (d), amine-containing
Copolymer (e), the chain-transferring agent (f) of base.
The wherein described nonionic ion monomer (a) is selected from acrylamide, Methacrylamide and its derivative, these can be with
Exclusive use can also be used in mixed way, from the preferred acrylamide of actual effect；
As the cationic monomer (b) in part A, allyl amine, alkene ethylamine, dialkyl amino third can be selected from
Olefin(e) acid ester and their quaternary ammonium salt or hydrochlorate, including but not limited to dimethylaminoethyl acrylate methyl chloride quaternary, acrylic acid two
Methylamino ethylacrylate methyl salt, acrylate benzyl chlorine quaternary salt, propylene dimethylamino ethosulfate, third
The quaternary salt or acid of olefin(e) acid dimethylamino carbethoxy hydrochloride, dialkyl amino alkyl acrylamide or Methacrylamide and they
Salt, such as acrylamido propyl trimethyl ammonium chloride, dimethylaminopropylacryl amide methyl sulfate quaternary salt, dimethylamino third
Base acrylamide sulfate, dimethylamino-propyl methacrylamide hydrochloride, above-mentioned part, which can be used alone, to mix
It closes and uses, to the preferred dialkyl amino acrylate of strengthening for paper effect, more preferable dialkyl amino acrylate
Methylacryoyloxyethyl trimethyl ammonia chloride specifically may be selected in hydrochlorate, the most preferably quaternary ammonium salt of dialkyl amino acrylate
Ammonium.
As the anionic monomer (c) in part A, unitary unsaturated carboxylic acid, unsaturated dicarboxylic acid, insatiable hunger can be selected
With sulfonic acid and their salt.Can be specifically acrylic acid, methacrylic acid, crotonic acid as unitary unsaturated carboxylic acid；As
Binary unsaturated carboxylic acid can specifically be enumerated：Maleic acid, fumaric acid, itaconic acid, citraconic acid etc., as unsaturated sulfonic acid, specifically
It can enumerate：Allyl sulphonic acid, styrene sulfonic acid, (methyl) acrylic acid sulphur propyl ester, methallylsulfonic acid etc., these can be single
Solely above it is used in combination using one or two kinds of in these.It is more excellent to the preferred allyl sulphonic acid of strengthening for paper effect
Select acrylic acid, most preferably itaconic acid.
As the cross-linking monomer (d) in part A, it can select that there is the diethyl alkene monomer of multiple double bonds, triethylene monomer
And the monomer with the active site that can become crosslinking agent.As diethyl alkene monomer, can enumerate：Methylene bis (methyl) acryloyl
Bis- (methyl) acrylamides of amine, ethylene, bis- (methyl) acrylamide methylol ethylene urea condensates, ethylene glycol two (methyl) third
Olefin(e) acid ester, triethylene glycol (methyl) acrylate etc..As triethylene monomer, can specifically enumerate：N, N- diallyl acryloyl
Amine, iso-cyanuric acid triallyl ester, 1,2,3- triacryl hexahydro-S- triazines etc..The activity of crosslinking agent can be become
The monomer at position can enumerate the N, (first of the N- such as N- dimethylmethacryl amides, N- methyl (methyl) acrylamide substitutions
Base) acrylic amide.Above-mentioned cross-linkable monomer, can be used alone can also use with.Consider from actual cross-linking effect, preferably
N, N- methylene-bisacrylamide, most preferably N,N-DMAA.
As the copolymer (e) of the amino-contained in part A, can enumerate：Polyamide polyamines resinoid, polyvinylamine and poly-
Aziridine etc., from strengthening for paper effect, preferably polyvinylamine.
As the chain-transferring agent (f) in part A, it is specifically segmented into organic matter and inorganic matter two major classes, organic species
Thiocarbamide, mercaptoethanol, thioacetic acid, mercaptopropionic acid, thiolactic acid, thioglycerol, the thio apple of (1) sulfydryl class can be enumerated
Acid etc.；(2) allyl alcohol of methallyl base class, Sodium Allyl Sulfonate, methallylsulfonic acid sodium etc.；(3) azanol of amine, second
Hydramine, dimethylamine etc..Inorganic species can be enumerated：Sodium formate, sodium hypophosphite etc..
It needs to consider from chain tra nsfer effect and molecular weight, preferably sodium formate, most preferably sodium hypophosphite.
In patent of the present invention, as the initiators for polymerization except part A, it can enumerate such as radical initiator, tool
Body can enumerate peroxide and azo.Peroxide type initiators can be divided into organic peroxide and inorganic peroxygen again
Species, organic peroxide can specifically be enumerated such as peroxidating formyl, acetyl peroxide, isobutyl peroxide, peroxidating spy
Pentanoate, dicetyl peroxydicarbonate isopropyl ester, dicetyl peroxydicarbonate isobutyl ester, the secondary butyl ester of dicetyl peroxydicarbonate, peroxidating are different
Propyl single carbon tert-butyl acrylate, isopropyl peroxide list amyl carbonate, peroxidized t-butyl perbenzoate etc..
Inorganic peroxygen species can be enumerated：The persulfates such as sodium peroxydisulfate, potassium peroxide, ammonium persulfate, hydrogen peroxide,
Potassium bromate, sodium bromate, sodium perborate, ammonium pertorate, SODIUM PERCARBONATE, percarbonic acid ammonium, peroxophosphoric acid sodium, ammonium superphosphate etc..
As azo compound, can enumerate：Azobis isobutyronitrile, azo bis- (2- methyl-props amidines) and its salt etc..
The above polymerization initiator can be used alone or be used in mixed way, but persulfate is preferably listed, specific preferred mistake
Ammonium sulfate.
As polymerization solvent, water can be enumerated, acetone, methanol, ethyl alcohol, propyl alcohol, butanol etc., these solvents can be single
Solely uses and be used in mixed way.But it is preferred that deionized water is as reaction dissolvent.
The aldehyde compound can enumerate formaldehyde, dialdehyde and poly aldehyde.The dialdehyde for being preferred for aldehyde reaction is selected from
Glyoxal, malonaldehyde, butanedial, glutaraldehyde, hexandial, heptan dialdehyde, o-phthalaldehyde, m-terephthal aldehyde etc., from reactivity
And production efficiency is set out, preferred glyoxal.
The present invention can generate excellent effect to strengthening for paper, be primarily due to the Reasonable Regulation And Control in prepared by polymer it is cloudy/
Cationic monomer matches, and is allowed under the conditions of papermaking high white water system, to easy to produce polyion complex, be conducive to
Polymer keeping in manufacturing paper with pulp, to improve the service efficiency of product；In addition, containing amine by being imported on article construction
Polymer further increases the degree of branching of product, is more advantageous to drug in this way and determines on paper, and amine-containing Type of Collective
The importing of object increases product and interfibrous combination, and facilitation is played to the enhancing of paper.
As it was noted above, the both sexes branching type graft acrylamide copolymer of the hydroformylation in the present invention, opposite existing market
For the glyoxalated polyacrylamide paper making intensifier sold, it can be good at solving caused by white water system
The insufficient problem of enhancing effect, especially dry enhancing performance etc..
The both sexes branching type graft acrylamide copolymer of hydroformylation in the present invention can be with common papermaking dry-strengthening agent one
Sample uses, and is added in wet end location.It can be used alone, can also be used cooperatively with conventional polypropylene amides reinforcing agent.
When being used cooperatively with traditional polyacrylamide, it should be noted that be added separately in the wet end of paper machine, avoid mixing
Unnecessary trouble is generated when addition.
Specific implementation mode
Embodiment 1：
(1) preparation of primary both sexes branching type graft copolymer：
Into three-necked flasks of the 2L equipped with heating, stirring and condenser pipe, it is loaded into 250g deionized waters, 30% the third of 400g
Acrylamide aqueous solution (1.69mol), 80% MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride (0.52mol) of 136g, itaconic acid
35.6g (0.27mol), N,N-DMAA 0.015g (0.00015mol), polyvinylamine (Mitsubishi KP8040) 5g
(19PPm), sodium hypophosphite 0.014g, solution are heated to 90 DEG C, start the initiator that 0.26g ammonium persulfates and 60g water is added dropwise,
120min is dripped off, and keeps the temperature 180min, after heat preservation, temperature is reduced to 25 DEG C, and reaction was completed.Obtaining solid content is about
30%, viscosity is the primary both sexes branching type graft copolymer of 700CPs.
(2) prepared by the hydroformylation of primary both sexes branching type graft copolymer：
The deionized water of 450g and the above-mentioned primary both sexes branching type graft copolymer 1 of 250g are loaded into the flask of 1L,
PH with 30% sodium hydrate regulator solution of 1g is about 10,40% glyoxal solution of 20g is added, in normal temperature condition
Lower reaction, is used in combination viscosimeter to continue to monitor the viscosity of reaction system, and when viscosity reaches 60-100CPs, 50% sulfuric acid is added
Solution terminates reaction, and water appropriate is added and adjusts product admittedly containing being 10% or so, obtains product 1.
Embodiment 2：
(1) preparation of primary both sexes branching type graft copolymer：
Into three-necked flasks of the 2L equipped with heating, stirring and condenser pipe, it is loaded into 540g deionized waters, 30% the third of 240g
Acrylamide aqueous solution (1.01mol), 80% MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride (1.19mol) of 309g, itaconic acid
35.6g (0.27mol), N,N-DMAA 0.015g (0.00015mol), polyvinylamine (Mitsubishi KP8040) 5g
(14PPm), sodium hypophosphite 0.014g, solution are heated to 90 DEG C, start the initiator that 0.26g ammonium persulfates and 60g water is added dropwise,
120min is dripped off, and keeps the temperature 180min, after heat preservation, temperature is reduced to 25 DEG C, and reaction was completed.Obtaining solid content is about
30%, viscosity is the primary both sexes branching type graft copolymer of 500CPs.
(2) prepared by the hydroformylation of primary both sexes branching type graft copolymer：
The deionized water of 450g and the above-mentioned primary both sexes branching type graft copolymer 2 of 250g are loaded into the flask of 1L,
PH with 30% sodium hydrate regulator solution of 1g is about 10,40% glyoxal solution of 20g is added, in normal temperature condition
Lower reaction, is used in combination viscosimeter to continue to monitor the viscosity of reaction system, and when viscosity reaches 60-100CPs, 50% sulfuric acid is added
Solution terminates reaction, and water appropriate is added and adjusts product admittedly containing being 10% or so, obtains product 2.
Embodiment 3：
(1) preparation of primary both sexes branching type graft copolymer：
Into three-necked flasks of the 2L equipped with heating, stirring and condenser pipe, it is loaded into 410g deionized waters, 30% the third of 300g
Acrylamide aqueous solution (1.27mol), 80% MethacryloyloxyethylTrimethyl Trimethyl Ammonium Chloride (0.74mol) of 193.2g, clothing health
Sour 61.3g (0.47mol), N,N-DMAA 0.015g (0.00015mol), polyvinylamine (Mitsubishi KP8040) 5g
(16PPm), sodium hypophosphite 0.014g, solution are heated to 90 DEG C, start the initiator that 0.26g ammonium persulfates and 60g water is added dropwise,
120min is dripped off, and keeps the temperature 180min, after heat preservation, temperature is reduced to 25 DEG C, and reaction was completed.Obtaining solid content is about
30%, viscosity is the primary both sexes branching type graft copolymer of 250CPs.
(2) prepared by the hydroformylation of primary both sexes branching type graft copolymer：
The deionized water of 450g and the above-mentioned primary both sexes branching type graft copolymer 3 of 250g are loaded into the flask of 1L,
PH with 30% sodium hydrate regulator solution of 1g is about 10,40% glyoxal solution of 20g is added, in normal temperature condition
Lower reaction, is used in combination viscosimeter to continue to monitor the viscosity of reaction system, and when viscosity reaches 60-100CPs, 50% sulfuric acid is added
Solution terminates reaction, and water appropriate is added and adjusts product admittedly containing being 10% or so, obtains product 3.
The handsheet assessment test of product
Obtained product 1, product 2 and product 3 in Examples 1 to 3 as above is subjected to handsheet as follows, and is surveyed
Try the physical property of finished paper.
It takes in the machine water system of waste paper pulp and carries out handsheet, set the base weight of paper as 120g/m2, entire handsheet
Process uses the semi-automatic handshcet formers of KFR, and the production in the Examples 1 to 3 of certain mass is sequentially added during handsheet
Product and double base retain auxiliary agent, and the two addition interval time is 15s, and wherein double base retains the production obtained in auxiliary agent and Examples 1 to 3
The mass percent of product is 10-20%, after the scraps of paper are manufactured paper with pulp, is put on drum-type drying cylinder and is dried under the conditions of 105 DEG C, constant temperature after drying
Constant humidity 24 hours tests base weight, the bursting strength of paper.
The base weight of paper, the test data of bursting strength are as shown in the table：
Explanation：
(1) product 1 in sample, product 2 and product 3 are the product of Examples 1 to 3 prepared.
(2) dosage kg/t is meant that sample and the mass ratio of finished paper.
(3) quantitative to be measured according to GB/T 13024-2003
(4) burst index is measured according to GB/T 13024-2003
(5) resistance to broken average index is two groups of statistical averages
From the point of view of upper face data, according to the amphoteric grafted acrylamide copolymer of hydroformylation prepared by the present invention, to paper
Resistance to broken enhancing effect is better than the amphoteric resin of FennoBond3000 acetaldehyde similar in the market.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of amphoteric resin preparation method of acetaldehyde comprising following steps：
Weigh the non-ionic monomer (a) of certain mass, cationic monomer (b), anionic monomer (c), crosslinking agent (d), amino-contained
Copolymer (e), chain-transferring agent (f), wherein (a), (b), (c), (d), (e), (f) collectively constitute A, and non-ionic monomer (a)
The ratio between the amount of substance for accounting for A is：40%~70%, it is 20%~50% that cationic monomer (b), which accounts for the ratio between amount of substance of A, cloudy
The dosage of ion monomer (c) account for the ratio between amount of substance of A be 10%~20%, the dosage of crosslinking agent (d) is relatively low, account for (a), (b),
(c) the 0.005%~0.05% of the amount of total material, (e) containing amine polymer account for the 10ppm of the gross mass of (a), (b) and (c)
~100ppm, chain-transferring agent (f) account for the 0.001%~0.01% of the amount of the total material of (a), (b) and (c)；
The above load weighted A is added in dereaction solvent so that component A account for mixed reaction solution gross mass 25%~
40%, whole system is warming up to 40~100 DEG C, initiator initiation reaction is then added, wherein initiator accounts for component A quality
0.05%~5%；
When polymer viscosity reaches 200-1000CPs, temperature is dropped to room temperature, and reaction was completed, obtains primary both sexes branching type and connects
Graft copolymer.
(2) prepared by the hydroformylation of primary both sexes branching type graft copolymer：
The both sexes branching type graft copolymer that will be obtained in previous step, make its under conditions of PH is 6~10 with aldehyde compound
It reacts, reaction temperature control, until it is 60~100CPs to be reacted to viscosity, terminates reaction at 20 DEG C~40 DEG C.
2. the amphoteric resin preparation method of acetaldehyde as described in claim 1, it is characterised in that：
The nonionic ion monomer (a) is selected from acrylamide, one or more in Methacrylamide and its derivative.
3. the amphoteric resin preparation method of acetaldehyde as described in claim 1, it is characterised in that：
The cationic monomer (b), including dimethylaminoethyl acrylate methyl chloride quaternary, dimethylaminoethyl acrylate first
Base salt, acrylate benzyl chlorine quaternary salt, propylene dimethylamino ethosulfate, acrylic acid dimethylamino
One kind or more in carbethoxy hydrochloride, dialkyl amino alkyl acrylamide or Methacrylamide and their quaternary salt or hydrochlorate
Kind；
The anionic monomer (c), including acrylic acid, methacrylic acid, crotonic acid, maleic acid, fumaric acid, itaconic acid, lemon
Health is sour, allyl sulphonic acid, styrene sulfonic acid, (methyl) acrylic acid sulphur propyl ester, one or more in methallylsulfonic acid；
The cross-linking monomer (d), including bis- (methyl) acrylamides of methylene bis (methyl) acrylamide, ethylene, bis- (methyl)
Acrylamide methylol ethylene urea condensate, ethylene glycol two (methyl) acrylate, triethylene glycol (methyl) acrylate, N, N-
Diallyl acrylamide, iso-cyanuric acid triallyl ester, 1,2,3- triacryl hexahydro-S- triazines, N, N- diformazans
It is one or more in (methyl) acrylic amide of the N- such as butylmethacrylamide, N- methyl (methyl) acrylamide substitutions.
4. the amphoteric resin preparation method of acetaldehyde as described in claim 1, it is characterised in that：
The copolymer (e) of the amino-contained, one kind in polyamide polyamines resinoid, polyvinylamine and polyethyleneimine
Or it is a variety of.
5. the amphoteric resin preparation method of acetaldehyde as described in claim 1, it is characterised in that：
The chain-transferring agent (f) is specifically segmented into organic matter and inorganic matter two major classes, and organic species include sulfydryl class
Thiocarbamide, mercaptoethanol, thioacetic acid, mercaptopropionic acid, thiolactic acid, thioglycerol, thiomalic acid；The alkene of methallyl base class
Propyl alcohol, Sodium Allyl Sulfonate, methallylsulfonic acid sodium etc.；Azanol, ethanol amine, the dimethylamine of amine；Inorganic species include
Sodium formate, sodium hypophosphite.
6. the amphoteric resin preparation method of acetaldehyde as described in claim 1, it is characterised in that：
The initiators for polymerization is selected from peroxidating formyl, acetyl peroxide, isobutyl peroxide, peroxidating spy penta
Tert-butyl acrylate, dicetyl peroxydicarbonate isopropyl ester, dicetyl peroxydicarbonate isobutyl ester, the secondary butyl ester of dicetyl peroxydicarbonate, peroxidating isopropyl
Base single carbon tert-butyl acrylate, isopropyl peroxide list amyl carbonate, peroxidized t-butyl perbenzoate；Sodium peroxydisulfate, potassium peroxide, mistake
The persulfates such as ammonium sulfate, hydrogen peroxide, potassium bromate, sodium bromate, sodium perborate, ammonium pertorate, SODIUM PERCARBONATE, percarbonic acid ammonium,
Peroxophosphoric acid sodium, ammonium superphosphate；It is one or more in azobis isobutyronitrile, azo bis- (2- methyl-props amidines) and its salt.
7. the amphoteric resin preparation method of acetaldehyde as described in claim 1, it is characterised in that：
The polymerization solvent, is selected from water, acetone, methanol, ethyl alcohol, and propyl alcohol is one or more in butanol.
8. the amphoteric resin preparation method of acetaldehyde as described in claim 1, it is characterised in that：
The aldehyde compound, be selected from glyoxal, malonaldehyde, butanedial, glutaraldehyde, hexandial, heptan dialdehyde, O-phthalic
Aldehyde, it is one or more in m-terephthal aldehyde.
9. using the amphoteric resin for the acetaldehyde that any method is prepared in claim 1~8.
10. the amphoteric resin of acetaldehyde as described in claim 9 is in the application of field of papermaking.
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| CN201810008415.1A CN108424494A (en) | 2018-01-04 | 2018-01-04 | A kind of preparation method of the amphoteric resin of acetaldehyde and its application in papermaking |
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| CN201810008415.1A CN108424494A (en) | 2018-01-04 | 2018-01-04 | A kind of preparation method of the amphoteric resin of acetaldehyde and its application in papermaking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109503771A (en) * | 2018-12-14 | 2019-03-22 | 苏州派凯姆新能源科技股份有限公司 | A kind of new and effective paper strengthening agent |
| CN114292369A (en) * | 2022-01-25 | 2022-04-08 | 九洲生物技术（苏州）有限公司 | High-branched-chain polyacrylamide reinforced water filtering agent and preparation method and application thereof |
Citations (1)
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| CN104093900A (en) * | 2012-02-27 | 2014-10-08 | S.P.C.M.公司 | Novel method for producing paper implementing a base copolymer having reacted with an aldehyde as a dry strength, retention, drainage and machinability agent |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104093900A (en) * | 2012-02-27 | 2014-10-08 | S.P.C.M.公司 | Novel method for producing paper implementing a base copolymer having reacted with an aldehyde as a dry strength, retention, drainage and machinability agent |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109503771A (en) * | 2018-12-14 | 2019-03-22 | 苏州派凯姆新能源科技股份有限公司 | A kind of new and effective paper strengthening agent |
| CN114292369A (en) * | 2022-01-25 | 2022-04-08 | 九洲生物技术（苏州）有限公司 | High-branched-chain polyacrylamide reinforced water filtering agent and preparation method and application thereof |
| CN114292369B (en) * | 2022-01-25 | 2024-02-06 | 九洲生物技术（苏州）有限公司 | High-branched polyacrylamide reinforced water filtering agent and preparation method and application thereof |
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