Background technology
Along with developing rapidly of science and technology, paper industry have also been obtained to be applied widely, and paper for daily use has become staple product indispensable in social life.Along with the development of society, the quality requirement of people to paper for daily use is also more and more higher.Fine tissue technological requirement, compared with common kitchen guarding's paper using, has the glossiness of height, planarization and excellent water imbibition, in use also not easily dry linting etc.According to statistics, national pulp production cumulative amount 1704.3 ten thousand tons in 2012, wherein, in December, 2012, the whole nation is accumulative produces paper pulp 143.0 ten thousand tons, from regional situation, Guangxi monthly output reaches 27.5 ten thousand tons, accounts for 19.23% of national pulp production output sum, is number two.
By above-mentioned analysis and market exploration, paper industry development space is very large.For paper industry development is advanced better, sooner, the technique of papermaking also needs progressively to improve.It is reported, paper pulp is normally squeezed by coating, heated-air drying, drying cylinder by current domestic paper technology, by the demoulding (de-cylinder), cooling cylinder process, is finally rolled into finished product.And paper pulp after coating can bright and clean from drying cylinder face through squeezing, peeled off smoothly, be produce the key problem in technology of fine tissue.
Through investigating, the development part of current state inner pattern releasing agent applicable also depends on that the rubber-moulding demoulding uses, and is applied to paper industry less.And most remover that adopts, as improving paper technology auxiliary agent, promotes paper pulp to the stripping effect of drying cylinder in expressing process in paper technology, but the remover unstable product quality of domestic production, and product category is chaotic, temporarily without technical standard.In recent years, for solve domestic paper industry use releasing agent (remover) at the key technical problem of copy paper technology field, the research of releasing agent obtains significant progress, is commercially also more and more taken seriously.
Along with the development of science and technology, paper industry uses papermaking equipment equipment and technology to have also been obtained raising, the obvious paper machine speed of a motor vehicle is accelerated, the blending wet end furnish of paper pulp also increases relatively, the pH value excursion of slurry expands gradually and the addition of chemical assistant increases, these all have an impact to the stripping of paper web, strengthen the stripping difficulty of paper web.According to the market demand and competition, for producing the paper of more high-quality quality, paper quality all requires the smoothness (as: calico paper, aluminium foil etc.) of height; Toilet paper requirement is peeled off wrinkling on drying cylinder, then need evenly to peel off to prevent sticky cylinder, and these situations all need to add a certain amount of releasing agent and make paper pulp sticky cylinder when processing paper web impaired.Traditional coating drying cylinder formula is that its product is coated with one deck remover on drying cylinder in this process procedure, scraper is mainly enable to be peeled off from drying cylinder by paper web fast, avoid easily gluing cylinder, but operation trouble, product are unstable, all paper web can be there is overweight at production process majority, wrinkling fineless and smooth, the paper web out-of-flatness of finished product, there is the paper defects such as dry linting, pin hole problem, the problem of the most headache of this Ye Shi manufacturing enterprise.
Summary of the invention
The object of this invention is to provide a kind of high energy paper pulp releasing agent product, wait protective effect for starting point so that drying cylinder is antiseptic and rustproof, the paper that fundamentally solution paper industry occurs in paper-making process breaks end, falls hair, dry linting, the sticky cylinder problem had in pin hole and paper-making process, in time good lubrication protective effect is played to drying cylinder creping doctor, extend the service life of scraper; The superior function of this product will significantly improve smoothness, the glossiness of paper simultaneously, not affect the hardness of paper, improve and make paper quality.This product development success, will become a kind of auxiliary agent of paper industry, promote the raising of product quality and character; Can be used as again the indispensable raw material of paper industry.
After this product joins paper pulp, make paper can be bonded in drying cylinder top layer fast in coating wets water process, height of formation lustrous surface paper web, after squeezing is dried, give again the demolding performace of paper brilliance.When using for drying cylinder spray cylinder, making paper pulp easily demoulding (stripping) after coating squeezing equally, the problem such as pockmark point, pin hole that sticky cylinder causes can not occur, thus improve the quality of paper product.
Common releasing agent is applied in the industry field such as rubber, plastics, is bonded to mould or other plate faces through raw material, makes it be easy to a class processing aid of disengaging effect.And Feiru Lubricating Oil Co., Ltd., Nanning is according to paper making process feature, work out high energy paper pulp releasing agent product, break through the utilization of releasing agent at paper industries such as medium-to-high grade toilet paper, Cultural Paper, light paper, calico papers, high energy paper pulp releasing agent is compared with general remover, the acidic materials in industrial paper oar can be neutralized, promote the acid-base balance of paper pulp, for the pliability of follow-up squeezing domestic paper provides material base condition, the research raw material of this patent add a certain amount of bactericide simultaneously, can suppress the bacterial reproduction in waste water fast; Enable460M synthetic sodium sulfonate in raw material and the bioactive molecule of sulfuration cottonseed oil can in paper pulp pressing process general protection drying cylinder; The lubricity of high strength obtains the good demoulding after paper pulp can be made to pass through squeezing, antiseptic and rustproof effect is played to scraper and drying cylinder, extend the service life of scraper and drying cylinder, thus reduce drying cylinder and get rusty and cause dryer surface to be corroded, play sags and crests, thus the pockmark point key issue that will solve in paper web.
The present invention mainly studies the performance characteristics of several raw-material compatibility technology and additive, through senior lubricant blending filtration system, carries out composite blending form product by chemical modification mode.
The present invention solves the problems of the technologies described above taked technical scheme:
A kind of high energy paper pulp releasing agent, is characterized in that being made up of the main raw material of following percentage by weight:
Cycloalkyl low viscosity base oil 70.0% ~ 85.5%
Enable460M synthetic sodium sulfonate 6.0% ~ 12.0%
BK six hydrogen-triazine bactericide 0.5% ~ 2.0%
MBM bactericide 0.5% ~ 1.0%
T-405 sulfuration cottonseed oil 2.0% ~ 5.0%
The general emulsified refined oil 5.0% ~ 8.0% of S2215C
Triethanolamine 0.5% ~ 2%.
Its production method is: raw material adds according to product proportion, and carry out composite through senior lubricant blending filtration system, composite temperature controls within the scope of 40 ~ 55 DEG C, carries out heating and to stir dispersion, mixing time 90 ~ 120min; Finally adopt triethanolamine auxiliary acid soda balance, modulation high-energy synthetic paper pulp releasing agent product.
Described cycloalkyl low viscosity base oil, be a kind of fraction oil of petroleum, its key technical indexes is: GB colourity is not more than 2.5, and flash-point is not less than 150 DEG C, and 40 DEG C of kinematic viscosity are not more than 40mm2/ s.
The general emulsified refined oil of described S2215C is sulfonate emulsification complexing agent, and this product effectively can promote the emulsification of cycloalkyl low viscosity base oil, and it has the character such as lubrication, extreme pressure, antirust, froth breaking, sterilization; Also be the surfactant that high high-quality performance is enlivened simultaneously, be made up of two parts of different nature: a part is the non-polar group that the hydrocarbon chain of hydrophobic oleophilic oil forms; Another part is the polar group of hydrophilic oleophobic.These two parts are in the two ends of surface active molecules respectively, are asymmetric structural molecule.Surfactant molecule is easy to be adsorbed on air-water (or oil-water) interface in its aqueous solution, and what form uniqueness aligns monomolecular film.When exceeding certain concentration (Interfacial Adsorption reaches capacity), associate into micelle by the hydrophobic effect of C-H bond or " hydrophobic effect ".Its surfactant is at the oriented attachment of its solution surface and form group in solution inside.The product that this additive configures with cycloalkyl low viscosity base oil, can promote the quick bonding of paper pulp and effectively improve the flatness of paper pulp by paper web after squeezing, the product after stripping also not easily causes the problems such as pockmark point, pin hole because peel off.
Described Enable460M synthetic sodium sulfonate, containing petroleum sulfonate, is the high-carbon hydrocarbon accessory substance by natural oil cut or chemical reaction gained, and obtaining through sulfonation, neutralization, is hydrocarbons sulfonated products mixture.Petroleum sulfonate mainly has detergent dispersant and point mud, keeps metal parts to clean, and reduce acid, suppress antirust effect, the mahogany acid salt refining content of this type of purposes is greater than 60%, has good emulsibility and rust-preventing characteristic.And this additive is used for formula of the present invention will break through the application at paper pulp of Enable460M synthetic sodium sulfonate, the stripping completely to drying cylinder after product pulp squeezing can be promoted, peel off lay the foundation for dryer surface cleans the follow-up pulp squeezing of the demoulding.
Described T-405 sulfuration cottonseed oil is the sulfuration cottonseed oil of import, viscosity is low, smell is light, of light color in oil product, it is as a kind of grease proofness agent in this formula, this additive effectively can improve water-quality constituents in paper pulp, for follow-up paper-making process gives one deck antirust emulsion through the dryer surface of squeezing, fundamentally solve drying cylinder and scraper to get rusty sex chromosome mosaicism, thus extend the service life of scraper.Also preventing drying cylinder top layer and air and contact with moisture when being heated simultaneously, causing drying cylinder to get rusty, be oxidized generation rust staining and make paper web easily occur pin-hole type leak problem.
Described BK six hydrogen-triazine bactericide, has the effect of quick sterilization.The breeding breed bacteria that this bactericide aims at industrial processes liquid common carries out sterilization, has compatible strong, the characteristic such as concentrate is stable of oil-soluble and water, formula.Infer according to human body centering high-grade toilet paper service condition, pH value of paper is 7 the bests, and the paper pulp that pH is neutrality can make the paper web after copy paper soft.The raw material of paper pulp be mostly bagasse, sex change cassava, containing materials such as a large amount of celluloses, paper pulp after processing generally contains the residue nutriment of 30%, recirculated water after paper pulp copy paper is as processed not in time, neutral water quality has different bacterial reproductions under normal temperature condition, according to the change of temperature in four seasons, also by accelerating the reproduction speed of bacterium, cause water quality smelly, the present invention's formula employs BK six hydrogen-triazine bactericide, can carry out sterilization fast to paper pulp.And this product is watered and also has stronger dissolubility, can not pollute paper pulp.
Described MBM bactericide is a kind of wide-spectrum bactericide, and its chemical constitution is morpholine derivative, and this additive has good anti-bacteria breeding effect, and smell is low, environmental protection, and promotion formula is compatible strong, is current interior external more popular new type bactericide.MBM bactericide is applied and can be bred by anti-bacteria in paper pulp, is conducive to the storage of paper pulp by squeezing Posterior circle water.As: when paper pulp is risen by the circulating water temperature after squeezing, have necessarily without departing from clean paper pulp in water, and the paper making pulp of part is with sugarcane bagasse, modified tapioca starch etc. as raw material, containing abundant nutriment, this is vegetative main cause.Therefore MBM bactericide is very helpful to circulating water reclamation process and recycle tool.
Described triethanolamine is the pH adjusting agent during the present invention fills a prescription, and according to market exploration, most enterprise is in paper technology, and pulp production pH value is all control in neutrality.The effect of this additive be for copy paper after recirculated water pH is provided, promote the recycling of recirculated water and process discharge etc.(above-described raw materials market all has sale)
This high energy paper pulp releasing agent product, combination property is superior, can effectively improve converted products quality, and promoting technologic improvement, is the raw produce of paper pulp indispensability.
Product of the present invention directly can use in paper pulp, also can be configured to emulsion spray cylinder and use.Its main feature be this product use cost low (can according to 5% be watered spray cylinder use; can according to 3.5 ~ 5.0 ㎏/ton directly add paper pulp use), harmless, environmental friendliness; the paper broken end that paper industry occurs in paper-making process, the sticky cylinder phenomenon falling hair, dry linting and copy paper can be solved; simultaneously can smoothness, the glossiness of raising paper by a relatively large margin; do not affect the intensity of paper; improve quality of finished paper; and there is good lubrication protection effect to drying cylinder creping doctor, extend the service life of scraper.
The present invention has the following advantages:
1, the research of this product is watered rear emulsification by product to present oyster white material, and the sulfonate contained in product, by chemical modification, makes paper pulp brighten, thus makes the product after copy paper reach whitening effect, reduces the use of bleaching agent.Meanwhile, the triethanolamine adjustable pH value in formula promotes paper pulp pH value integration capability.The acid-base balance degree of paper pulp can be improved after triethanolamine joins paper pulp fast, promote the recycling of waste water, reduce the pollution of waste water.
2, this application range of products is wide, is applicable to high-grade toilet paper, Cultural Paper, light paper, calico paper etc.It can add in paper pulp and uses, and also can spray cylinder and use, excellent.
3, current, domestic paper industry auxiliary agent majority used is remover, because traditional remover is that employing rosin, hydrocarbon ils, wax etc. are as raw material.And releasing agent at home only uses for the demoulding of rubber-moulding; the high energy paper pulp releasing agent of the present invention's research can break through the single constraint of releasing agent; the paper broken end that paper industry occurs in paper-making process, the sticky cylinder phenomenon falling hair, dry linting and copy paper can be solved; simultaneously can smoothness, the glossiness of raising paper by a relatively large margin; do not affect the intensity of paper; improve quality of finished paper, and have good lubrication protection effect to drying cylinder creping doctor, extend the service life of scraper.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, but be not limitation of the invention.
embodiment 1:
First each raw material base oil and additive are measured, cycloalkyl low viscosity base oil 70.0kg enters senior blending filtration system and proceeds to first order reaction blending kettle, be heated to 40 ~ 55 DEG C carry out pulse stir 30 ~ 45min sample is heated evenly, integrated order adds Enable460M synthetic sodium sulfonate 12.0kg again, S2215C general emulsification olein 8.0kg, T-405 sulfuration cottonseed oil 5.0%kg, sampling detects up to standard.Proceed to second order reaction blending kettle constant temperature 40 ~ 55 DEG C, edge-impulse stirs limit and adds BK six hydrogen-triazine bactericide 2.0kg in order, MBM bactericide 1.0%kg etc., completely newly composite stirring and evenly mixing is carried out by senior lubricant blending filtration system, sample clear is observed in sampling can be up to standard, and detection experiment sample emulsion pH value.According to the addition 2.0kg of pH value size determination triethanolamine, its pH value controls 7.0 ~ 8.0.Constant temperature carries out second time pulse and stirs and evenly mixs 45min again.Sampling detects that physical and chemical index is qualified and draws product.
embodiment 2:
Base oil cycloalkyl low viscosity base oil 85.5kg, Enable460M synthetic sodium sulfonate 6.0kg, S2215C general emulsification olein 5.0kg, T-405 sulfuration cottonseed oil 2.0kg, BK six hydrogen-triazine bactericide 0.5kg, MBM bactericide 0.5kg, the addition 0.5kg etc. of triethanolamine, main layoutprocedure is with embodiment 1.
embodiment 3:
Base oil cycloalkyl low viscosity base oil 80.0kg, Enable460M synthetic sodium sulfonate 9.0kg, S2215C general emulsification olein 6.5kg, T-405 sulfuration cottonseed oil 3.5kg, BK six hydrogen-triazine bactericide 1.0kg, MBM bactericide 0.5kg, triethanolamine 1.5kg etc., main layoutprocedure is with embodiment 1.
Each formula through lubricating oil carries out lubricants performance detection.
It is below the technical indicator parameter of product of the present invention
Above index illustrates that this product emulsion stability is strong, and the emulsion be modulated into has good emulsion stability; Excellent lubricity, plays the effect of protection to scraper; Non-corrosiveness, to equipment without any damage.
Following table is that product of the present invention carries out product beta test contrast experiment in certain enterprise, the different cultivars auxiliary agent (4 ㎏/ton) of identical amount is added in paper pulp pond, the product produced detects according to GB20810-2006 " toilet paper (containing toilet paper body paper) ", and its result is as follows: