CN110055817B - Waterproof flame-retardant tipping paper - Google Patents
Waterproof flame-retardant tipping paper Download PDFInfo
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- CN110055817B CN110055817B CN201910198228.9A CN201910198228A CN110055817B CN 110055817 B CN110055817 B CN 110055817B CN 201910198228 A CN201910198228 A CN 201910198228A CN 110055817 B CN110055817 B CN 110055817B
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- flame retardant
- coupling agent
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- 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
-
- 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
- D21H21/34—Ignifugeants
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
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Abstract
The invention belongs to the technical field of packaging materials, and particularly relates to waterproof flame-retardant tipping paper which comprises the following components in parts by weight: 40-60 parts of softwood pulp, 50-70 parts of hardwood pulp, 3-5 parts of cationic polyacrylamide, 10-15 parts of hydroxypropyl starch, 0.5-2 parts of sodium metasilicate, 1-2 parts of gelatin, 3-5 parts of polyethylene glycol, 1-2 parts of modified titanium dioxide and 3-8 parts of flame retardant auxiliary agent; the preparation method of the flame retardant auxiliary agent comprises the following steps: dissolving 10-20 parts of magnesium dihydrogen phosphate in deionized water, and then adding 20-40 parts of silane coupling agent to obtain solution A; dissolving 5-10 parts of chitosan in acetic acid to obtain a solution B; then mixing the solution A and the solution B together to obtain a solution C, and carrying out ultrasonic oscillation for 20 min; adjusting the pH value of the solution C to be alkaline, separating out a precipitate, continuing ultrasonic oscillation for 20min, standing and aging, filtering out the precipitate, washing with water, washing with ethanol, drying, and grinding.
Description
Technical Field
The invention belongs to the technical field of packaging materials, and particularly relates to waterproof flame-retardant tipping paper.
Background
The cigarette tipping paper is special paper for connecting cigarette with filter tip, and has the basic functions of tipping, decoration, anti-fake, tar reducing, etc. Decorative pictures and texts are designed on the tipping paper, so that the cigarette is endowed with aesthetic feeling and belongs to the decorative function; the tipping paper is subjected to anti-counterfeiting treatment, so that the tipping paper has an anti-counterfeiting function; tipping paper with certain air permeability also helps to reduce tar, plays a tar reducing function, and the better the air permeability is, the better the tar reducing effect is.
With the improvement of the requirements of people on living quality and the improvement of safety consciousness, people not only consider the contact experience between lips and filter tips (namely the waterproofness of tipping paper) in the smoking process more and more but also pay more attention to the flame retardant property of the tipping paper, so that many manufacturers focus on the waterproofness and the flame retardant property of the tipping paper.
However, in order to provide both good waterproof property and good flame retardancy to the existing tipping paper, a flame-retardant ring or a flame-retardant layer is often required to be additionally arranged. Chinese patent document CN207452582U discloses a waterproof cigarette tipping paper, which provides flame retardant effect for cigarette through the fixed bonding flame retardant ring at one end of the tipping paper raw paper layer, although the patent makes the tipping paper have water resistance and flame retardant effect at the same time, it needs to additionally set a flame retardant ring at the bottom of the tipping paper, not only the process is complex, but also if the additionally set flame retardant ring is not firm because of connection, the falling off will not play the flame retardant effect, thereby bringing fire hazard.
Disclosure of Invention
In order to obtain tipping paper with both waterproof effect and flame retardant effect, the invention discloses waterproof flame retardant tipping paper, which is improved by adding flame retardant auxiliary agent and modified titanium dioxide in paper pulp so as to have good waterproof effect and flame retardant effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the waterproof flame-retardant tipping paper comprises the following components in parts by weight:
40-60 parts of softwood pulp
50-70 parts of broad-leaved wood pulp
3-5 parts of cationic polyacrylamide
10-15 parts of hydroxypropyl starch
0.5 to 2 portions of sodium metasilicate
1-2 parts of gelatin
3-5 parts of polyethylene glycol
1-2 parts of modified titanium dioxide
8-15 parts of flame-retardant auxiliary agent
The preparation method of the flame retardant auxiliary agent comprises the following steps: dissolving 10-20 parts of magnesium dihydrogen phosphate in deionized water, and then adding 20-40 parts of silane coupling agent to obtain solution A; dissolving 5-10 parts of chitosan in acetic acid to obtain a solution B; then mixing the solution A and the solution B together to obtain a solution C, and carrying out ultrasonic oscillation for 20 min; adjusting the pH value of the solution C to be alkaline, separating out a precipitate, continuing ultrasonic oscillation for 20min, standing and aging, filtering out the precipitate, washing with water, washing with ethanol, drying, and grinding.
Preferably, the modified titanium dioxide is modified titanium dioxide modified by a silane coupling agent KH 550.
Preferably, the silane coupling agent used in the preparation method of the flame retardant auxiliary is a silane coupling agent KH 550.
Preferably, the silane coupling agent used in the preparation method of the flame retardant auxiliary agent is N- [3- (trimethoxysilyl) propyl ] ethylenediamine.
Preferably, the silane coupling agent used in the preparation method of the flame retardant auxiliary is an X coupling agent, and the structural formula of the X coupling agent is as follows:
the preparation method of the gamma- (ethylene diamino) propyl trimethoxy silane comprises the following steps:
(1) adding hydrazine carboxylate (compound 1) into water, stirring and dissolving at room temperature, then adding EDC, HCl/HOBt (1-ethyl-3- (3-dimethylaminopropyl) carbodiimide hydrochloride/1-hydroxy-benzotriazole with the molar ratio of 1:1), reacting for 2-4h, then adding allylamine (compound 2), reacting for 10-15h, standing and layering the solution, and rectifying the upper layer to obtain the semicarbazide-based propylene (compound 3), wherein the molar ratio of hydrazine carboxylate to EDC, HCl/HOBt is 1:2-3, the molar ratio of hydrazine carboxylate to allylamine is 1:1-1.5, and the reaction equation is as follows:
(2) adding the semicarbazide-based propylene (compound 3) and the trimethoxy silane (compound 4) in a molar ratio of 1:1 into a reaction kettle, adding 20-30ppm of Pt-PMVS catalyst, heating to 85-90 ℃, and stirring for reacting for 6-8 hours to obtain the X coupling agent, wherein the reaction equation is as follows:
a preparation method of waterproof flame-retardant tipping paper comprises the following steps:
(1) adding softwood pulp and hardwood pulp into a beating machine, and beating to obtain pulp;
(2) adding the modified titanium dioxide and the flame-retardant auxiliary agent into the slurry, and uniformly mixing to obtain mixed slurry;
(3) sequentially adding cationic polyacrylamide, hydroxypropyl starch, sodium metasilicate, gelatin and polyethylene glycol into the mixed slurry, and uniformly mixing to obtain paper pulp;
(4) the paper pulp is dewatered and formed by a net part and a press part, pressed on a paper pressing machine and perforated.
Preferably, the beating concentration in the beating process is controlled to be 3.5-4.5%.
Preferably, the beating degree in the beating process is controlled to be 65-75 DEG SR.
The invention has the following beneficial effects: (1) magnesium dihydrogen phosphate is used as a flame retardant, the magnesium dihydrogen phosphate and chitosan are jointly modified in solution by adopting a silane coupling agent, a mixture of the modified magnesium dihydrogen phosphate and the chitosan is obtained by precipitation and is used as a flame retardant aid, the common modification of the magnesium dihydrogen phosphate and the chitosan in the solution is beneficial to the uniform mixing of the magnesium dihydrogen phosphate and the chitosan, so that the dispersibility of the flame retardant is improved, meanwhile, more uniform and fine particles can be obtained by precipitation, the dispersion effect of the magnesium dihydrogen phosphate and the chitosan in a system is improved, the functions of the flame retardant and the chitosan are fully exerted, in addition, the magnesium dihydrogen phosphate and the chitosan can possibly react to generate chitosan phosphate, and the flame retardant effect is further enhanced;
(2) the magnesium dihydrogen phosphate adopted by the invention is a phosphorus flame retardant and has excellent flame retardant effect on tipping paper with high cellulose content, and meanwhile, the magnesium dihydrogen phosphate is modified by adopting a silane coupling agent KH550 or N- [3- (trimethoxysilyl) propyl ] ethylenediamine or an X coupling agent containing amino, so that the uniform dispersion of the magnesium dihydrogen phosphate is facilitated, the introduced nitrogen can also generate a synergistic flame retardant effect with the magnesium dihydrogen phosphate, especially, a carbamyl hydrazino group contained in the X coupling agent is beneficial to promoting the phosphorylation reaction of the magnesium dihydrogen phosphate and the cellulose in paper pulp used for manufacturing the tipping paper, and the flame retardant effect is further enhanced;
(3) according to the invention, the modified titanium dioxide is adopted to introduce the hydrophobic groups to bring the hydrophobic effect, and the silane coupling agent is also adopted in the flame retardant auxiliary agent to modify magnesium dihydrogen phosphate and chitosan, one end of the adopted silane coupling agent is provided with polar amino, the hydrophilic action of the amino enables titanium dioxide, magnesium dihydrogen phosphate and chitosan particles to be well dispersed in paper pulp, and the oily groups at the other end are arranged into a regular hydrophobic film on the surface of the paper pulp, so that the waterproof effect of the tipping paper is improved;
(4) the modified titanium dioxide and the chitosan added in the invention enable the prepared tipping paper to have good antibacterial effect.
Detailed Description
The present invention will now be described in further detail with reference to examples.
The preparation method of the waterproof flame-retardant tipping paper comprises the following steps:
(1) adding softwood pulp and hardwood pulp into a beating machine, beating, wherein the beating concentration is controlled to be 3.5-4.5%, and the beating degree is controlled to be 65-75 DEG SR, so as to obtain pulp;
(2) adding the modified titanium dioxide and the flame-retardant auxiliary agent into the slurry, and uniformly mixing to obtain mixed slurry;
(3) sequentially adding cationic polyacrylamide, hydroxypropyl starch, sodium metasilicate, gelatin and polyethylene glycol into the mixed slurry, and uniformly mixing to obtain paper pulp;
(4) the paper pulp is dewatered and formed by a net part and a press part, pressed on a paper pressing machine and perforated.
The preparation method of the flame retardant additive comprises the following steps: dissolving 10-20 parts of magnesium dihydrogen phosphate in deionized water, and then adding 20-40 parts of silane coupling agent to obtain solution A; dissolving 5-10 parts of chitosan in acetic acid to obtain a solution B; then mixing the solution A and the solution B together to obtain a solution C, and carrying out ultrasonic oscillation for 20 min; adjusting the pH value of the solution C to be alkaline, separating out a precipitate, continuing ultrasonic oscillation for 20min, standing and aging, filtering out the precipitate, washing with water, washing with ethanol, drying, and grinding.
Wherein, the pulp concentration can be properly adjusted by water in the pulp preparation process.
The components and parts by weight of examples 1 to 6 and comparative examples 1 to 3 are specified in Table 1.
TABLE 1
Comparative example 4 is substantially the same as example 6 except that magnesium dihydrogen phosphate and chitosan were separately subjected to silane coupling agent modification, respectively.
Comparative example 5 is substantially the same as comparative example 4 except that the chitosan was not modified with a silane coupling agent.
The tipping papers prepared in examples 1 to 6 and comparative examples 1 to 5 above were subjected to performance tests, and the test results are shown in table 2.
TABLE 2
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a waterproof fire-retardant tipping paper which characterized in that: the composition comprises the following components in parts by weight:
40-60 parts of softwood pulp
50-70 parts of broad-leaved wood pulp
3-5 parts of cationic polyacrylamide
10-15 parts of hydroxypropyl starch
0.5 to 2 portions of sodium metasilicate
1-2 parts of gelatin
3-5 parts of polyethylene glycol
1-2 parts of modified titanium dioxide
8-15 parts of flame-retardant auxiliary agent
The preparation method of the flame retardant auxiliary agent comprises the following steps: dissolving 10-20 parts of magnesium dihydrogen phosphate in deionized water, and then adding 20-40 parts of silane coupling agent to obtain solution A; dissolving 5-10 parts of chitosan in acetic acid to obtain a solution B; then mixing the solution A and the solution B together to obtain a solution C, and carrying out ultrasonic oscillation for 20 min; adjusting the pH value of the solution C to be alkaline, separating out a precipitate, continuing ultrasonic oscillation for 20min, standing and aging, filtering out the precipitate, washing with water, washing with ethanol, drying, and grinding;
the modified titanium dioxide is silane coupling agent KH550 modified titanium dioxide.
2. The waterproof flame retardant tipping paper according to claim 1, wherein: the silane coupling agent used in the preparation method of the flame retardant additive is a silane coupling agent KH 550.
3. The waterproof flame retardant tipping paper according to claim 1, wherein: the silane coupling agent used in the preparation method of the flame retardant auxiliary agent is N- [3- (trimethoxysilyl) propyl ] ethylenediamine.
4. The waterproof flame retardant tipping paper according to claim 1, wherein: the silane coupling agent used in the preparation method of the flame retardant auxiliary agent is an X coupling agent, and the structural formula of the X coupling agent is as follows:
5. a method of making a water resistant flame retardant tipping paper according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:
(1) adding softwood pulp and hardwood pulp into a beating machine, and beating to obtain pulp;
(2) adding the modified titanium dioxide and the flame-retardant auxiliary agent into the slurry, and uniformly mixing to obtain mixed slurry;
(3) sequentially adding cationic polyacrylamide, hydroxypropyl starch, sodium metasilicate, gelatin and polyethylene glycol into the mixed slurry, and uniformly mixing to obtain paper pulp;
(4) the paper pulp is dewatered and formed by a net part and a press part, pressed on a paper pressing machine and perforated.
6. The method for preparing waterproof flame-retardant tipping paper according to claim 5, characterized in that: the pulping concentration is controlled to be 3.5-4.5% in the pulping process.
7. The method for preparing waterproof flame-retardant tipping paper according to claim 5, characterized in that: the beating degree in the beating process is controlled to be 65-75 DEG SR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910198228.9A CN110055817B (en) | 2019-03-15 | 2019-03-15 | Waterproof flame-retardant tipping paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910198228.9A CN110055817B (en) | 2019-03-15 | 2019-03-15 | Waterproof flame-retardant tipping paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110055817A CN110055817A (en) | 2019-07-26 |
| CN110055817B true CN110055817B (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910198228.9A Active CN110055817B (en) | 2019-03-15 | 2019-03-15 | Waterproof flame-retardant tipping paper |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578266B (en) * | 2019-09-04 | 2020-12-25 | 亚太森博(广东)纸业有限公司 | Special paper with low hygroexpansivity and high recovery and preparation method thereof |
| CN113308943B (en) * | 2021-05-10 | 2022-04-01 | 江苏众立生包装科技有限公司 | Antibacterial tipping paper |
| CN113802412B (en) * | 2021-08-19 | 2022-07-26 | 江苏众立生包装科技有限公司 | Anti-wrinkle and anti-wet tipping paper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290721A (en) * | 2013-05-21 | 2013-09-11 | 牡丹江恒丰纸业股份有限公司 | Production method of tipping base paper for flame-retardant cigarettes |
| CN107190578A (en) * | 2016-03-15 | 2017-09-22 | 江苏金恒新型包装材料有限公司 | A kind of cork paper and preparation method thereof |
| CN108193547A (en) * | 2017-12-01 | 2018-06-22 | 蒋春霞 | A kind of preparation method of antibacterial hydrophobic type cork paper |
| CN108708222A (en) * | 2018-04-23 | 2018-10-26 | 句容市兴武包装有限公司 | A kind of preparation method of Mixidene |
-
2019
- 2019-03-15 CN CN201910198228.9A patent/CN110055817B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290721A (en) * | 2013-05-21 | 2013-09-11 | 牡丹江恒丰纸业股份有限公司 | Production method of tipping base paper for flame-retardant cigarettes |
| CN107190578A (en) * | 2016-03-15 | 2017-09-22 | 江苏金恒新型包装材料有限公司 | A kind of cork paper and preparation method thereof |
| CN108193547A (en) * | 2017-12-01 | 2018-06-22 | 蒋春霞 | A kind of preparation method of antibacterial hydrophobic type cork paper |
| CN108708222A (en) * | 2018-04-23 | 2018-10-26 | 句容市兴武包装有限公司 | A kind of preparation method of Mixidene |
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| CN110055817A (en) | 2019-07-26 |
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