CN114525089A

CN114525089A - Environment-friendly flame-retardant cigarette adhesive and preparation method thereof

Info

Publication number: CN114525089A
Application number: CN202210155106.3A
Authority: CN
Inventors: 吕继学
Original assignee: Lianyungang Changrui Technology Co ltd
Current assignee: Lianyungang Changrui Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-05-24

Abstract

The invention discloses an environment-friendly flame-retardant cigarette adhesive and a preparation method thereof, belongs to the technical field of environment-friendly cigarette adhesives, and aims to solve the problems of poor flame-retardant performance and environmental pollution of the environment-friendly cigarette adhesive, wherein the environment-friendly flame-retardant cigarette adhesive comprises the following raw materials in parts by weight: vinyl acetate: 40-50 parts; polyvinyl alcohol: 6-8 parts; copolymerization catalyst: 0.5-0.8 part; emulsifier: 3-5 parts; flame retardant: 2-6 parts; preservative: 2-5 parts; tackifier: 3-6 parts; surfactant (b): 0.2-0.5 part; water: 80-120 parts. The environment-friendly flame-retardant cigarette adhesive prepared by the preparation method has the characteristics of higher adhesive strength, higher curing speed, no toxicity, safety, no environmental pollution, capability of improving the storage life of cigarettes and the like, is environment-friendly in use, can effectively prevent the burning of cigarette ends to a certain extent, has good flame-retardant effect, can effectively avoid fire disasters, and is safe and reliable in use.

Description

Environment-friendly flame-retardant cigarette adhesive and preparation method thereof

Technical Field

The invention relates to the technical field of environment-friendly cigarette glue, in particular to environment-friendly flame-retardant cigarette glue and a preparation method thereof.

Background

The cigarette is a strip-shaped cigarette product made by rolling tobacco shreds with cigarette paper, and is also called paper cigarette, cigarette and cigarette. Cigarettes with filter tips and cigarettes without filter tips have the light taste and the strong taste; the cigarettes are about to enter the Chinese commodity market in 1890 years, the factory manufacturing begins in 1893 years, and the production and marketing are increased year by year. Since 1980, the yield of Chinese cigarettes is at the first of all countries in the world, and in 1989, the yield is 3195.06 ten thousands of cases. During cigarette production, cigarettes are often produced by means of cigarette glue.

The surface temperature of the burning cigarette end of the cigarette produced by adopting the cigarette adhesive is 200-. The burning time of one cigarette is 4-15 minutes, the remaining cigarette end can be continuously burned for 1-4 minutes, and in the time period, many inflammable objects can be ignited. Sometimes, the cigarette end is thrown into cotton quilt, wood chips or grass, so that the cigarette end is not easy to notice by people, brings great danger and is easy to cause fire, and the reason for causing the situation is that the existing cigarette adhesive has poor flame retardant property, and smoke emitted when the cigarette is ignited is easy to pollute the environment and is not environment-friendly.

Disclosure of Invention

The environment-friendly flame-retardant cigarette adhesive prepared by the preparation method has the characteristics of high adhesive strength, high curing speed, no toxicity, safety, no environmental pollution, capability of improving the storage life of cigarettes and the like, is environment-friendly to use, can effectively prevent cigarette ends from burning to a certain extent, has a good flame-retardant effect, can effectively avoid fire disasters, and is safe and reliable to use, so that the problems in the background art are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

an environment-friendly flame-retardant cigarette adhesive comprises the following raw materials in parts by weight:

vinyl acetate: 40-50 parts; polyvinyl alcohol: 6-8 parts; copolymerization catalyst: 0.5-0.8 part; emulsifier: 3-5 parts; flame retardant: 2-6 parts; preservative: 2-5 parts; tackifier: 3-6 parts; surfactant (b): 0.2-0.5 part; water: 80-120 parts.

Further, the feed comprises the following raw materials in parts by weight:

vinyl acetate: 40 parts of a mixture; polyvinyl alcohol: 6 parts of (1); copolymerization catalyst: 0.5 part; emulsifier: 3 parts of a mixture; flame retardant: 2 parts of (1); preservative: 2 parts of (1); tackifier: 3 parts of a mixture; surfactant (b): 0.2 part; water: 80 parts of the raw materials.

Further, the feed comprises the following raw materials in parts by weight:

vinyl acetate: 50 parts of a mixture; polyvinyl alcohol: 8 parts of a mixture; copolymerization catalyst: 0.8 part; emulsifier: 5 parts of a mixture; flame retardant: 6 parts of (1); preservative: 5 parts of a mixture; tackifier: 6 parts of (1); surfactant (b): 0.5 part; water: 120 parts of.

Further, the feed comprises the following raw materials in parts by weight:

vinyl acetate: 45 parts of (1); polyvinyl alcohol: 7 parts; copolymerization catalyst: 0.6 part; emulsifier: 4 parts of a mixture; flame retardant: 4 parts of a mixture; preservative: 3 parts of a mixture; tackifier: 5 parts of a mixture; surfactant (B): 0.3 part; water: 100 parts.

Further, the feed comprises the following raw materials in parts by weight:

vinyl acetate: 43 parts of a mixture; polyvinyl alcohol: 6 parts; copolymerization catalyst: 0.6 part; emulsifier: 4 parts of a mixture; flame retardant: 3 parts of a mixture; preservative: 2 parts of (1); tackifier: 4 parts of a mixture; surfactant (b): 0.3 part; water: and 96 parts.

Further, the feed comprises the following raw materials in parts by weight:

vinyl acetate: 48 parts of a mixture; polyvinyl alcohol: 8 parts of a mixture; copolymerization catalyst: 0.7 part; emulsifier: 5 parts of a mixture; flame retardant: 4 parts of a mixture; preservative: 4 parts of a mixture; tackifier: 6 parts of (1); surfactant (b): 0.4 part; water: 112 parts.

Further, the flame retardant is one or more of magnesium hydroxide, red phosphorus or brominated polystyrene.

Further, the preservative is one or more of benzoic acid, sodium benzoate or potassium sorbate.

Further, the surfactant is one or more of sulfated castor oil, sodium dodecyl sulfate or lauric acid.

According to another aspect of the invention, a preparation method of the environment-friendly flame-retardant cigarette adhesive is provided, which comprises the following steps:

s1: adding polyvinyl alcohol and water into a reaction tank, stirring the polyvinyl alcohol and the water by a stirring blade, heating the reaction temperature of the reaction tank to 80-100 ℃, and keeping the constant temperature for 10-15min until the polyvinyl alcohol is fully dissolved in the water;

s2: adding vinyl acetate into the reaction tank, stirring the vinyl acetate by a stirring blade to uniformly stir the vinyl acetate, heating the reaction temperature of the reaction tank to 85-100 ℃, stirring for 20-30min, adding a copolymerization catalyst into the reaction tank, heating the reaction temperature of the reaction tank to 90-100 ℃, and stirring for 20-30 min;

s3: adding a surfactant into the reaction tank, and stirring the surfactant by a stirring blade to fully dissolve the surfactant, wherein the stirring time is 10-24min, and the stirring speed is 220-260 r/min;

s4: adding the emulsifier and the tackifier into the reaction tank while stirring, and stirring the emulsifier and the tackifier by a stirring blade to fully dissolve the emulsifier and the tackifier, wherein the stirring time is 8-14min, and the stirring speed is 160-240 r/min;

s5: adding the fire retardant and the preservative into the reaction tank while stirring, stirring the fire retardant and the preservative by the stirring blades for fully dissolving the fire retardant and the preservative, wherein the stirring time is 10-18min, the stirring speed is 160-.

Compared with the prior art, the invention has the beneficial effects that:

the environment-friendly flame-retardant cigarette adhesive prepared by the preparation method has the characteristics of higher adhesive strength, higher curing speed, no toxicity, safety, no environmental pollution, capability of improving the storage life of cigarettes and the like, is environment-friendly in use, can effectively prevent the burning of cigarette ends to a certain extent, has good flame-retardant effect, can effectively avoid fire disasters, and is safe and reliable in use.

Drawings

FIG. 1 is a flow chart of the preparation of the environment-friendly flame-retardant cigarette adhesive of the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

The polyvinyl acetate emulsion is prepared by emulsion polymerization with vinyl acetate as a monomer and water as a dispersion medium, has the characteristics of high adhesive strength, high curing speed, convenient use, low price, no toxicity, safety, no environmental pollution and the like, is environment-friendly in use, and is suitable for preparing adhesives such as wood processing, furniture manufacturing, building decoration, book binding, fabric treatment, cigarette mouthpiece, automobile interior decoration and the like.

Emulsifiers are substances which form stable emulsions of a mixture of two or more mutually immiscible components. The principle of action is that during the emulsification process, the dispersed phase is dispersed in the form of droplets in the continuous phase, and the emulsifier reduces the interfacial tension of the components in the mixed system and forms a firmer film on the surface of the droplets or forms an electric double layer on the surface of the droplets due to the electric charge given by the emulsifier, thus preventing the droplets from aggregating with each other and maintaining a uniform emulsion.

The flame retardant is a functional additive for endowing a flammable polymer with flame retardancy, is mainly designed aiming at the flame retardancy of a high molecular material, has various types, and is divided into an additive flame retardant and a reactive flame retardant according to a using method, wherein the additive flame retardant is added into the polymer by a mechanical mixing method to enable the polymer to have flame retardancy, and the additive flame retardant mainly comprises an organic flame retardant and an inorganic flame retardant; a halogen-based flame retardant and a non-halogen; organic flame retardants are represented by bromine, phosphorus-nitrogen, red phosphorus and compounds, and inorganic flame retardants are mainly flame retardant systems such as antimony trioxide, magnesium hydroxide, aluminum hydroxide, silicon and the like.

The preservative is a food additive capable of inhibiting microbial activity and preventing food from putrefaction and deterioration, and in order to make the food have a certain storage period, a certain measure must be adopted to prevent the infection and reproduction of the microbe, and the application of the preservative is one of the most economical, effective and simple methods for achieving the purpose.

The tackifier is used for wetting the adhered surface through surface diffusion or internal diffusion, so that the adhesive strength between the cigarette adhesive and an adhered material is improved, and the tackifier mainly comprises inorganic salt electrolyte and organic tackifier.

The surfactant is a substance which can obviously reduce the surface tension of a target solution, has fixed hydrophilic and lipophilic groups, can be directionally arranged on the surface of the solution, and has an amphoteric molecular structure: one end is a hydrophilic group, and the other end is a hydrophobic group; the hydrophilic group is often a polar group, such as carboxylic acid, sulfonic acid, sulfuric acid, amino or amino groups and salts thereof, hydroxyl, amide, ether linkages, and the like may also be used as the polar hydrophilic group; and the hydrophobic group is often a non-polar hydrocarbon chain, such as a hydrocarbon chain of 8 or more carbon atoms. The surfactant is divided into ionic surfactant, non-ionic surfactant, amphoteric surfactant, compound surfactant, other surfactants and the like.

The flame retardant is magnesium hydroxide, the preservative is benzoic acid, and the surfactant is sulfated castor oil.

The magnesium hydroxide fire retardant has good fire retardant effect, can reduce the smoke amount of the cigarette during combustion, plays a role of a smoke suppressant, is environment-friendly to use, and has the advantages of safety, no toxicity, good thermal stability during high-temperature processing and the like.

Benzoic acid widely exists in nature in the form of free acid, ester or derivatives thereof, is mainly used for preparing sodium benzoate preservatives and is used for synthesizing medicaments and dyes; it is also used for preparing plasticizer, mordant, bactericide, perfume, etc. Can be prepared by direct oxidation of toluene in the presence of manganese dioxide, or by decarboxylation of phthalic anhydride with steam, and can prolong the shelf life of the cigarette.

Sulfated castor oil is sulfonated oil prepared by the reaction of castor oil and sulfuric acid, is an anionic surfactant, and has the functions of wetting, emulsifying, dispersing, lubricating, permeating, washing, level dyeing, dissolving assisting and the like.

In order to better show the preparation process of the environment-friendly flame-retardant cigarette adhesive, the embodiment now provides a preparation method of the environment-friendly flame-retardant cigarette adhesive, which includes the following steps:

s1: adding polyvinyl alcohol and water into a reaction tank, stirring the polyvinyl alcohol and the water by a stirring blade, heating the reaction temperature of the reaction tank to 80 ℃, and keeping the constant temperature for 10min until the polyvinyl alcohol is fully dissolved in the water;

s2: adding vinyl acetate into the reaction tank, stirring the vinyl acetate by a stirring blade to be uniformly stirred, heating the reaction temperature of the reaction tank to 85 ℃, stirring for 20min, adding a copolymerization catalyst into the reaction tank, heating the reaction temperature of the reaction tank to 90 ℃, and stirring for reacting for 20 min;

s3: adding a surfactant into the reaction tank, and stirring the surfactant by a stirring blade for fully dissolving the surfactant, wherein the stirring time is 10min, and the stirring speed is 220 r/min;

s4: adding the emulsifier and the tackifier into the reaction tank while stirring, and stirring the emulsifier and the tackifier by a stirring blade to fully dissolve the emulsifier and the tackifier, wherein the stirring time is 8min, and the stirring speed is 160 r/min;

s5: adding the fire retardant and the preservative into the reaction tank while stirring, stirring the fire retardant and the preservative by the stirring blades for fully dissolving, wherein the stirring time is 10min, the stirring speed is 160r/min, and preparing the cigarette adhesive after fully stirring and mixing the raw materials.

Example two

The flame retardant is red phosphorus, the preservative is sodium benzoate, and the surfactant is sulfated castor oil.

The red phosphorus is a good inorganic flame retardant, is a common flame retardant synergist in an aluminum hydroxide/magnesium hydroxide flame retardant system, has high flame retardant efficiency, small using amount, low smoke generation amount and low toxicity, and has a very wide application range. Particularly, the flame retardant effect on oxygen-containing polymers is good, the flame retardant effect on PE and PP plastics is slightly poor, and when the flame retardant is used with magnesium hydroxide and aluminum hydroxide flame retardants, a synergistic effect can be generated to achieve a good flame retardant effect.

The sodium benzoate is white particles or crystal powder, has no odor or slight benzoin odor, is slightly sweet in taste, has astringent taste, is stable in air and is easily soluble in water, the pH value of an aqueous solution of the sodium benzoate is 8, the sodium benzoate is soluble in ethanol, the benzoic acid and salts thereof are broad-spectrum antimicrobial agents, but the antimicrobial effectiveness of the sodium benzoate depends on the pH value of food, the sterilization and bacteriostasis efficacy of the sodium benzoate is enhanced along with the increase of the acidity of a medium, the sterilization and bacteriostasis effects of the sodium benzoate are lost in an alkaline medium, and the optimum pH value of the sodium benzoate for corrosion prevention is 2.5-4.0.

s1: adding polyvinyl alcohol and water into a reaction tank, stirring the polyvinyl alcohol and the water by a stirring blade, raising the reaction temperature of the reaction tank to 81 ℃, and keeping the constant temperature for 12min until the polyvinyl alcohol is fully dissolved in the water;

s2: adding vinyl acetate into the reaction tank, stirring the vinyl acetate by a stirring blade to be uniformly stirred, heating the reaction temperature of the reaction tank to 86 ℃, stirring for 24min, adding a copolymerization catalyst into the reaction tank, heating the reaction temperature of the reaction tank to 92 ℃, and stirring for reaction for 22 min;

s3: adding a surfactant into the reaction tank, and stirring the surfactant by a stirring blade for fully dissolving the surfactant, wherein the stirring time is 18min, and the stirring speed is 240 r/min;

s4: adding the emulsifier and the tackifier into the reaction tank while stirring, and stirring the emulsifier and the tackifier by a stirring blade for full dissolution, wherein the stirring time is 10min, and the stirring speed is 220 r/min;

s5: adding the fire retardant and the preservative into the reaction tank while stirring, stirring the fire retardant and the preservative by using stirring blades for fully dissolving the fire retardant and the preservative, wherein the stirring time is 16min, the stirring speed is 180r/min, and preparing the cigarette adhesive after the raw materials are fully stirred and mixed.

EXAMPLE III

vinyl acetate: 45 parts of (1); polyvinyl alcohol: 7 parts; copolymerization catalyst: 0.6 part; emulsifier: 4 parts; flame retardant: 4 parts of a mixture; preservative: 3 parts of a mixture; tackifier: 5 parts of a mixture; surfactant (b): 0.3 part; water: 100 parts.

The flame retardant is magnesium hydroxide, the preservative is potassium sorbate, and the surfactant is sodium dodecyl sulfate.

Potassium sorbate, which is potassium salt of sorbic acid, is white to light yellow scaly crystal, crystal particle or crystal powder, has no odor or slight odor, is easy to absorb moisture and change color by oxidative decomposition after being exposed in air for a long time, is easy to dissolve in water, and is dissolved in propylene glycol and ethanol; the potassium sorbate can fully play a role in preserving in an acidic medium, and has small preservative effect under a neutral condition.

The sodium dodecyl sulfate is white or light yellow powder, is easy to dissolve in water, is insensitive to alkali and hard water, has the characteristics of decontamination, emulsification and excellent foaming power, has good emulsibility, foamability, water solubility, biodegradability, alkali resistance, hard water resistance, stability in aqueous solution with wider pH value, easy synthesis, low price and the like, is widely applied to industries of cosmetics, detergents, textile, paper making, lubrication, pharmacy, building materials, chemical industry, oil extraction and the like all the time, and can also be applied to basic research aspects of the property of a positive and negative ion surfactant compound system, micelle catalysis, molecular ordered combination and the like.

s1: adding polyvinyl alcohol and water into a reaction tank, stirring the polyvinyl alcohol and the water by a stirring blade, heating the reaction temperature of the reaction tank to 82 ℃, and keeping the constant temperature for 10-15min until the polyvinyl alcohol is fully dissolved in the water;

s2: adding vinyl acetate into the reaction tank, stirring the vinyl acetate by a stirring blade to be uniformly stirred, heating the reaction temperature of the reaction tank to 88 ℃, stirring for 26min, adding a copolymerization catalyst into the reaction tank, heating the reaction temperature of the reaction tank to 94 ℃, and stirring for reacting for 23 min;

s3: adding a surfactant into the reaction tank, and stirring the surfactant by a stirring blade to fully dissolve the surfactant, wherein the stirring time is 19min, and the stirring speed is 230 r/min;

s4: adding the emulsifier and the tackifier into the reaction tank while stirring, and stirring the emulsifier and the tackifier by a stirring blade for fully dissolving the emulsifier and the tackifier, wherein the stirring time is 10min, and the stirring speed is 200 r/min;

s5: adding the flame retardant and the preservative into the reaction tank while stirring, stirring the flame retardant and the preservative by using stirring blades for fully dissolving the flame retardant and the preservative, wherein the stirring time is 12min, the stirring speed is 210r/min, and preparing the cigarette adhesive after the raw materials are fully stirred and mixed.

Example four

vinyl acetate: 43 parts of a mixture; polyvinyl alcohol: 6 parts of (1); copolymerization catalyst: 0.6 part; emulsifier: 4 parts of a mixture; flame retardant: 3 parts of a mixture; preservative: 2 parts of (1); tackifier: 4 parts of a mixture; surfactant (b): 0.3 part; water: and 96 parts.

The flame retardant is brominated polystyrene, the preservative is sodium benzoate, and the surfactant is sodium dodecyl sulfate.

The brominated polystyrene is prepared by brominating polystyrene serving as a raw material, is a brominated organic flame retardant, has high flame retardance, thermal stability, light stability and other good mechanical physical and chemical properties, is widely applied to engineering plastics such as polybutylene terephthalate, polyethylene glycol terephthalate, polyphenyl ether, nylon-66 and the like, and has the advantages of good thermal stability, good dispersibility and compatibility in high polymers, easiness in processing, no frosting and the like.

s1: adding polyvinyl alcohol and water into a reaction tank, stirring the polyvinyl alcohol and the water by a stirring blade, raising the reaction temperature of the reaction tank to 84 ℃, and keeping the constant temperature for 12min until the polyvinyl alcohol is fully dissolved in the water;

s2: adding vinyl acetate into the reaction tank, stirring the vinyl acetate by a stirring blade to be uniformly stirred, heating the reaction temperature of the reaction tank to 86 ℃, stirring for 28min, adding a copolymerization catalyst into the reaction tank, heating the reaction temperature of the reaction tank to 94 ℃, and stirring for reacting for 28 min;

s3: adding a surfactant into the reaction tank, and stirring the surfactant by a stirring blade to fully dissolve the surfactant, wherein the stirring time is 13min, and the stirring speed is 230 r/min;

s5: adding the flame retardant and the preservative into the reaction tank while stirring, stirring the flame retardant and the preservative by using stirring blades for fully dissolving the flame retardant and the preservative, wherein the stirring time is 16min, the stirring speed is 210r/min, and preparing the cigarette adhesive after the raw materials are fully stirred and mixed.

EXAMPLE five

vinyl acetate: 48 parts of a mixture; polyvinyl alcohol: 8 parts; copolymerization catalyst: 0.7 part; emulsifier: 5 parts of a mixture; flame retardant: 4 parts; preservative: 4 parts; tackifier: 6 parts of (1); surfactant (b): 0.4 part; water: 112 parts.

The flame retardant is magnesium hydroxide, the preservative is benzoic acid, and the surfactant is sodium dodecyl sulfate.

s1: adding polyvinyl alcohol and water into a reaction tank, stirring the polyvinyl alcohol and the water by a stirring blade, raising the reaction temperature of the reaction tank to 86 ℃, and keeping the constant temperature for 14min until the polyvinyl alcohol is fully dissolved in the water;

s2: adding vinyl acetate into the reaction tank, stirring the vinyl acetate by a stirring blade to be uniformly stirred, heating the reaction temperature of the reaction tank to 87 ℃, stirring for 27min, adding a copolymerization catalyst into the reaction tank, heating the reaction temperature of the reaction tank to 94 ℃, and stirring for reaction for 22 min;

s3: adding a surfactant into the reaction tank, and stirring the surfactant by a stirring blade for fully dissolving the surfactant, wherein the stirring time is 20min, and the stirring speed is 240 r/min;

s4: adding the emulsifier and the tackifier into the reaction tank while stirring, and stirring the emulsifier and the tackifier by a stirring blade to fully dissolve the emulsifier and the tackifier, wherein the stirring time is 9min, and the stirring speed is 230 r/min;

s5: adding the flame retardant and the preservative into the reaction tank while stirring, stirring the flame retardant and the preservative by using stirring blades for fully dissolving the flame retardant and the preservative, wherein the stirring time is 14min, the stirring speed is 190r/min, and preparing the cigarette adhesive after fully stirring and mixing the raw materials.

The preparation method is adopted to prepare the environment-friendly flame-retardant cigarette adhesive, and the prepared environment-friendly flame-retardant cigarette adhesive is subjected to the following quality detection:

1. the flame retardant performance of the cigarette adhesive is detected (according to the relevant regulations of GB 10707-1989)

Placing a test sample on a detection table, igniting a test blowtorch, adjusting the total height of flame to 125mm, adjusting the height of a blue inner cone to 40mm, moving the blowtorch to the central line position of the test sample, adjusting the height of the blowtorch to ensure that the distance between the blue inner cone flame and the interior of the test sample table is 40mm, starting timing, wherein the flame supply time is 30 seconds, continuously swinging the blowtorch left and right during the timing of 30 seconds, burning for 30 seconds, then removing the blowtorch, observing the continuous burning condition of the test sample, recording the continuous burning time of the test sample by using a stopwatch, taking down the test sample after the continuous burning of the test sample is finished, wiping the surface of the test sample by using cotton cloth, measuring the carbonization length of the test sample by using a steel ruler, carrying out the same test on the rest 4 groups of test samples according to the same method, and recording the carbonization length.

2. Detection of cigarette adhesive anti-corrosive Property (according to GB/T1763-89 regulations)

Adding distilled water into the bottom of a working chamber of a corrosion test box, taking the height of an overflow hole rubber at the bottom of the working chamber as a reference to prevent the box body from aging, adding distilled water into a sealing groove at the periphery of the upper part of the box body before a test, wherein the distilled water is not overfilled, preferably, salt mist does not overflow after a box cover is closed, adding distilled water or deionized water into an air saturator, wherein the water level deviation is 4/5 at the upper part of a glass tube of a liquid level meter, when the distilled water is added, a water inlet valve at the upper part of the saturator is opened, when the water is added to a specified water level, a valve is closed, after a long-time test, the water content of the saturator is consumed, the water level is reduced to a 1/5 lower part, supplementing water in time, burning out a heating element in the saturator after water shortage is prevented, connecting a water inlet at the bottom of the salt mist box and the spraying tower in the working chamber by a rubber tube, putting the prepared salt solution into a water storage tank at the back of the salt mist box, salt water automatically flows into the spraying tower by means of balance due to the effect of atmospheric pressure, the salt water cannot be lower than the lower limit mark of the water storage tank, salt mist discharged from a mist discharge pipe at the rear part of the box body influences indoor facilities, the mist discharge pipe is allowed to be lengthened by a user, the discharged salt mist is discharged outdoors, meanwhile, the air pressure is adjusted, a funnel frame inside the box body is placed well, rubber pipes on the mist collector are connected with corresponding funnels respectively, in the test, the box cover does not need to be opened, the salt mist settlement inside the box body can be read from the mist collector outside, the time for the test is set, the sample is placed in a corrosion test box to be started for detection, the test is repeated for 5 times, and records are respectively made.

3. Detection of cigarette adhesive Property (according to the regulations of GB 50411-2007)

The sample that will coat with the cigarette glue is placed on examining test table, carries out tensile experiment to the sample through the stretcher to judge the adhesive property that the cigarette glued, repeated experiment 5 times is done the record respectively.

After the detection, the detection results of the prepared environment-friendly flame-retardant cigarette adhesive are shown in the following table:

	flame retardant rating	Corrosion resistance	Adhesive strength	Curing time	Drying time
						Example one	V-1	Is excellent in	27Mpa	8S	13S
Example two	V-1	Is excellent in	26Mpa	9S	12S
						EXAMPLE III	V-0	Is excellent	30Mpa	5S	8S
Example four	V-0	Is excellent in	28Mpa	7S	10S
						EXAMPLE five	V-0	Is excellent in	29Mpa	6S	9S
Comparative exampleA	HB	Medium and high grade	21Mpa	12S	16S
						Comparative example No. two	HB	Medium and high grade	22Mpa	11S	15S

Therefore, the environment-friendly flame-retardant cigarette adhesive prepared by the preparation method has the characteristics of higher adhesive strength, higher curing speed, no toxicity, safety, no environmental pollution, capability of improving the storage life of cigarettes and the like, is environment-friendly in use, can effectively prevent the burning of cigarette ends to a certain extent, has a good flame-retardant effect, can effectively avoid the occurrence of fire, and is safe and reliable in use.

In conclusion, the environment-friendly flame-retardant cigarette adhesive prepared by the preparation method has the characteristics of higher adhesive strength, higher curing speed, no toxicity, safety, no environmental pollution, capability of improving the storage life of cigarettes and the like, is environment-friendly in use, can effectively prevent cigarette ends from burning to a certain extent, has a good flame-retardant effect, can effectively avoid fire disasters, and is safe and reliable in use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The environment-friendly flame-retardant cigarette adhesive is characterized by comprising the following raw materials in parts by mass:

2. The environment-friendly flame-retardant cigarette adhesive as claimed in claim 1, which comprises the following raw materials in parts by mass:

3. The environment-friendly flame-retardant cigarette adhesive as claimed in claim 1, which comprises the following raw materials in parts by mass:

4. The environment-friendly flame-retardant cigarette adhesive as claimed in claim 1, which comprises the following raw materials in parts by mass:

vinyl acetate: 45 parts of a binder; polyvinyl alcohol: 7 parts; copolymerization catalyst: 0.6 part; emulsifier: 4 parts of a mixture; flame retardant: 4 parts; preservative: 3 parts of a mixture; tackifier: 5 parts of a mixture; surfactant (B): 0.3 part; water: 100 parts.

5. The environment-friendly flame-retardant cigarette adhesive as claimed in claim 1, which comprises the following raw materials in parts by mass:

vinyl acetate: 43 parts of a binder; polyvinyl alcohol: 6 parts of (1); copolymerization catalyst: 0.6 part; emulsifier: 4 parts of a mixture; flame retardant: 3 parts of a mixture; preservative: 2 parts of (1); tackifier: 4 parts; surfactant (b): 0.3 part; water: and 96 parts.

6. The environment-friendly flame-retardant cigarette adhesive as claimed in claim 1, comprising the following raw materials in parts by mass:

vinyl acetate: 48 parts of a mixture; polyvinyl alcohol: 8 parts of a mixture; copolymerization catalyst: 0.7 part; emulsifier: 5 parts of a mixture; flame retardant: 4 parts of a mixture; preservative: 4 parts; tackifier: 6 parts of (1); surfactant (b): 0.4 part; water: 112 parts.

7. The environment-friendly flame-retardant cigarette adhesive according to claim 1, wherein the flame retardant is one or more of magnesium hydroxide, red phosphorus or brominated polystyrene.

8. The environment-friendly flame-retardant cigarette adhesive according to claim 1, wherein the preservative is one or more of benzoic acid, sodium benzoate or potassium sorbate.

9. The environment-friendly flame-retardant cigarette adhesive according to claim 1, wherein the surfactant is one or more of sulfated castor oil, sodium lauryl sulfate or lauric acid.

10. The preparation method of the environment-friendly flame-retardant cigarette adhesive according to any one of claims 1-9, characterized by comprising the following steps: