A kind of tobacco lining paper of environmental protection
Technical field
The present invention relates to the cigarette raw and auxiliary material, i.e. the tobacco lining paper of a kind of environmental protection.
Background technology
Tobacco lining paper is the dedicated paper that is used for the cigarette inner packing, domestic for a long time main employing aluminium foil compound lining paper, also progressively adopt the spraying plating aluminium paper in recent years on a small quantity, its major function and effect are: this paper product has good barrier properties for gases, thereby make its packing content thing not the reason oxidation and go bad, spoiled, fragrance is unlikely to scatter and disappear the unlikely suction of peculiar smell; And have good water vapor barrier, go mouldy thereby make its packing content thing be difficult for the moisture absorption.But aluminium foil compound lining paper is to add compound adhesive by body paper to paste materials such as aluminium foil, prints color such as gold, silver again and forms, and it has following defective: one, because of the aluminium foil composition is arranged, so its discarded object can not natural degradation, and be difficult to recycle, bring for the second time to environment and pollute; Its two, because of the equal series solvent type product of " compound adhesive ", " bronze printing (silver) printing ink ", itself is toxic, the volatilization of solvent pollutes to environment in process of production, solvent residual in product given the consumer healthyly brings harm.Though the vacuum evaporating aluminium paper has solved degraded recovery problem than the former, because of it has adopted than the former more solvent type sizing material and printing ink in becoming paper technology.So it gives environment also relative outstanding with the healthy harm that brings of consumer; Simultaneously because complex process, the production cost height, the market price also occupies height, though domestic in recent years tobacco business widely popularize, except that indivedual producers use in the part high-grade cigarette, numerous production of cigarettes producer in, Low-end Cigarettes but do not dare to inquire in packing.
Advocate clean energy resource energetically in country, save China, Green China and advocate the Scientific Outlook on Development under the new situation, particularly State Tobacco Monopoly Bureau has proposed rigid standard-required to cigarette environment and safety index, along with industry market is competed red-hotization day by day, consumption reduction, environmental protection, reducing cigarette has become the focus of work of tobacco manufacturing enterprise to the harm of the person, my company is at the present situation of domestic and international tobacco business, the characteristic of development trend and cigarette product, take advantage of a situation up time and move, the technique center, special paper company organizes relevant personnel's scientific and technical innovation, succeeds in developing " environment-friendly type tobacco lining paper " new product in the independent development second half year in 2005.
Summary of the invention
In order to solve the existing aluminium foil secondary pollution of aluminium foil compound lining paper and vacuum evaporating aluminium paper, solvent type ink and compound adhesive the problem of the health of victimization is arranged, the present invention proposes a kind of without aluminium foil, and nontoxic tobacco lining paper.
The tobacco lining paper of this environmental protection is that the coating water color ink forms on the surface of body paper, it is characterized in that, and the smoothness 〉=1000S of body paper, unit are paper weighs 60~80g/m
2, moisture 35g/m
2Below, thickness 0.05~0.07mm, the water color ink consumption is in solid content 4~7g/m
2Coating printing ink is once finished with the smooth roll transfer method on coating machine, and the operation that is coated with printing ink is followed successively by and puts paper, flattens, tightens up, is coated with, oven dry, press polish, rolling, and putting the chart speed degree is 25~60m/min, 60~80 ℃ of bake out temperatures, the work line pressure of press polish is 60~80kg/cm.
The composition that water color ink comprises, as follows by weight proportion:
One, copper bronze, silver powder or other pigment used of pigment: account for 10~50;
Two, pure water: account for 3~6;
Three, levelling agent: 1501 surfactants account for 4~7;
Four, defoamer: tbp accounts for 2~4;
Five, waterproofing agent: A1008 acrylic resin liquid accounts for 3~6;
Six, preservative agent: potassium sorbate accounts for 2~6;
Seven, antioxidant: BHA accounts for 3~11;
Eight, water-base resin: polyvinyl alcohol accounts for 15~20.
The production method of water color ink is as follows:
One, gets material in proportion ready;
Two, load weighted polyvinyl alcohol resin is added in the preprepared stainless steel cask, adds 70% water of load weighted total water amount more inward, high-speed stirred is dissolved fully to resin, makes polyvinyl alcohol resin liquid;
Three, in another stainless steel cask, add load weighted A1008 acrylic resin liquid and ready-made polyvinyl alcohol resin liquid, add the copper bronze, silver powder or other pigment that have weighed up more inward, stir, mill;
Four, add load weighted 1501 surfactants more inward, tbp, potassium sorbate, BHA and remaining 30% water, with the stainless bucket of water-bath heating, temperature is 45~55 ℃, stirs;
Five, quality inspection
A, usefulness fineness instrument detect the particle diameter of solid particle, are controlled at 3~8 μ m;
B, respectively with the color development of drawing a design of color development rod and PK test machine, simultaneously with the standard sample color ratio;
C, with the computer chromatograph respectively to standard specimen with now produce sample and detect, observe color, concentration, levelling, bubble situation;
D, join the back with the color matching instrument and adjust form and aspect, concentration;
E, detect viscosity with No. 2 flow cups, can suitably add diminishing, control viscosity is 17S in the time of 25 ℃;
Six, quality inspection is qualified, filters with 200 mesh filter screens, and packing is used for lining paper in producing.
Production method of the present invention is simple, science, and product has following advantage: 1, water color ink free from extraneous odour, and avirulence is fit to coating, prints various paper, and workshop condition is not contaminated in the production, no hazard residue thing on the paper; But 2, environmental protection tobacco lining paper natural degradation can not produce secondary environmental pollution, paper product with after, recyclablely be used to copy paper, economize on resources; 3, can improve some physical index of body paper, as tearability, folding strength, ring crush index; 4, environmental protection tobacco lining paper of the present invention has the better gas barrier property, water-fast, oil resistant, anti-solvent, anti-oxidant, ultraviolet light, do not go mouldy, nonhygroscopic, the time of guaranteeing the quality is long.Can be widely used in the packing of product of industries such as food, health, as instant noodle bowl lid paper, sweet wrapper, food wrapper, drug wrapping, various facing paper, waterproof paper etc.
The specific embodiment
The present invention is described in detail as follows below in conjunction with the specific embodiment:
One, body paper: smoothness is 1500S, the heavy 68g/m of unit are paper
2, moisture 30g/m
2, thickness 0.06 ± 0.005mm;
Two, water color ink consumption: in solid content 5g/m
2
Three, coating process: coating printing ink is once finished with the smooth roll transfer method on coating machine, the operation of coating water color ink is followed successively by and puts paper, flattens, tightens up, is coated with, oven dry, press polish, rolling, putting the chart speed degree is 30m/min, 70 ℃ of bake out temperatures, the long 15m of baking oven, the work line pressure of press polish is 70kg/em.
Four, the composition that comprises of water color ink, as follows by weight proportion:
(1) aluminium silver powder: 10
(2) pure water: 6
(3) levelling agent: 1501 surfactants, 5
(4) defoamer: tbp, 3
(5) waterproofing agent: A1008 acrylic resin liquid, 4
(6) preservative agent: potassium sorbate 3
(7) antioxidant: BHA, 4
(8) water-base resin: polyvinyl alcohol, 16
Five, the production method of water color ink is as follows:
(1) gets raw material according to the above ratio ready;
(2) polyvinyl alcohol is added in the stainless steel cask, adds 70% of the load weighted water yield again, high-speed stirred, 1000 rev/mins, stirred 1 hour, dissolve fully to polyvinyl alcohol;
(3) in another stainless steel cask, add load weighted A1008 acrylic resin liquid and ready-made polyvinyl alcohol resin liquid, add aluminium silver powder more inward and stir, milled 1 hour;
(4) add the water of load weighted 1501 surfactants, tbp, potassium sorbate, BHA and remaining 30% more inward, heat stainless steel cask with water-bath, temperature is 50 ℃, and 500 rev/mins speed stirred 2 hours;
(5) quality inspection:
A, usefulness fineness instrument detect the particle diameter of solid particle, are controlled at 3~8 μ m;
D, respectively with the color development of drawing a design of color development rod and PK test machine, simultaneously with the standard sample color ratio;
C, with U.S. Ai Seli computer chromatograph respectively to standard specimen with now produce sample and detect, observe color, concentration, levelling, bubble situation;
D, join the back with Japan color matching instrument and adjust form and aspect, concentration;
E, detect viscosity with No. 2 flow cups, can suitably add diminishing, control viscosity is 17S in the time of 25 ℃;
(6) quality inspection is qualified, filters with 200 mesh filter screens, and packing is used for lining paper in producing.
Six, the quality index and the performance of lining paper in the environmental protection:
The heavy 73g/m of unit are paper
2, thickness 0.075 ± 0.005mm, width 114mm is more than the smoothness 5000S, moisture content 4~6%, the paper cleaning, the color silvery white, air permeability is 0, the guarantor is fragrant, the guarantor distinguishes the flavor of, guaranteeing the quality property is good, and obstruct steam performance is good, water-tolerant, and solvent resistance is good, ageing-resistant performance is good, to the volatilization composition that inhibition is good, nontoxic, tasteless, nothing is harmful of mould, mechanical-moulded adaptability is good, and printability is good, and heat sealing property is good, accord with the requirement of cigarette package fully, and the degradable recovery, free from environmental pollution.