Spool body paper and production technology thereof that a kind of secondary stock is made
Technical field
The present invention relates to the manufacturing technique of spool body paper, be specifically related to the spool body paper and the manufacturing technique method thereof that use secondary stock to make.
Background technology
The spool body paper is to specialize in a kind of industrial paper that textile industry paper twine pipe processed and taper paper web are used, and is a kind of slim vulcan fibre, is used for making long filament and tells spinning copper core.It not only requires to have and higher does, wet strength, smoothness, ABRASION RESISTANCE, also must possess the characteristics of anti-oily water resistant, and requires to roll into phozy, indeformable, not explosion in high speed terylene spinning process after pipe.Based on above characteristics, require cop tube paper to have certain physical strength, and require to have very high quantitatively (360~520g/m normally
2).
The existing raw material of producing the spool body paper is generally full waste paper, and the mode of manufacturing paper with pulp of paper machine is to adopt a plurality of cylinders (normally 6 or 8 cylinder cylinder moulds), just can realize producing the quantitative spool body paper of this height.Utilize full waste paper to produce the spool body paper; it is a waste paper regenerated project that turns waste into wealth; can solve the short contradiction of China's lumber fibre; and compare with traditional paper technology; has larger advantage: one: can greatly reduce paper to the consumption of the forest reserves; conserve forests, beautify ecological environment.Its two: can reduce the paper industry production cost, bring more profit to enterprise.Its three: can greatly reduce the generation of the papermaking enterprise three wastes, reduce the pollution to environment.Its four: twice laid, simplify technique, improve the quality of products, strengthen enterprise competitiveness.As seen, waste paper recycling tool is of great significance.But, increase along with demand, 600~800 yuan/tons of waste paper market prices rise to present 1400~1500 yuan/tons, use separately waste paper to need 1.2~1.3 tons of ability to produce one ton of product, the raw material valency of ton product has reached 1600~2000 yuan, 2350~2750 yuan/tons of production costs, and present just 2000~2300 yuan/tons of the market price of domestic common spool body paper.Therefore adopt such production technology, higher take full waste paper as the raw material production cost.In addition, in above-mentioned production technology, adopt the mode of manufacturing paper with pulp of a plurality of cylinders to exist the page interlayer in conjunction with problem, the interlayer adhesion is poor causes the easy layering of page, affects the paper strength of finished paper.For the problems referred to above, one application number is that 200810233948.6 patent of invention discloses a kind of production technology of utilizing waste residue production regeneration spool body paper and products thereof, and its implementation is: pulping that will treated useless screenings and the nearly ratio mixing of pulping of treated waste paper carry out obtaining regenerating after the sand paper pipe is manufactured paper with pulp the spool body paper.Although said method has reduced production cost, saved the waste paper resource, the regeneration spool body paper smoothness that it obtains and ABRASION RESISTANCE all descend to some extent, bring certain puzzlement to the user.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes spool body paper and the production technology thereof that a kind of secondary stock is made, and under the prerequisite of the production cost that reduces the spool body paper, improves regeneration spool body paper smoothness and ABRASION RESISTANCE, to solve the deficiency of prior art.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is that the spool body paper production technology that a kind of secondary stock is made comprises the following steps:
Step 1: the pulping of processing useless screenings: the screenings that will give up screening, removal of impurities, it is diluted to the concentration of 20~25% left and right, cross the sand cleaning machine desanding, residual heavy impurity is removed, then circular grinding is crushed to fibre length between 0.5~1.5mm in fiberizer, useless screenings after grinding is through dehydration after cleaning, stand-by between moisture is controlled at 70%~80%;
Step 2: prepare wear-resisting batching, this wear-resisting batching is by following components by weight percent: the high-molecular organic material of 100 parts, 0.1-0.5 part stabilizing agent, the lubricant of 0-1 part, 0.5-1.5 part antioxidant, 1-1.5 part adhesive, 1-1.5 part stone flour; Above-mentioned high-molecular organic material, stabilizing agent, lubricant, antioxidant, adhesive and stone flour are micro mist or liquid form; As a concrete example, described high-molecular organic material is acrylonitrile-butadiene-styrene copolymerized compound or epoxy resin; Described stabilizing agent is stearate; Described lubricant is stearic acid; Described antioxidant is antioxidant B900.
Step 3: the wear-resisting batching of mixing the 1%-2.5% weight portion in the pulping of the useless screenings that step 1 is obtained, and by homogenizer, it is mixed, obtain wear-resisting pulping;
Step 4: the wear-resisting pulping that step 3 is obtained mixes by proportioning with treated waste paper pulping, carries out obtaining regenerating after the sand paper pipe is manufactured paper with pulp the spool body paper; Wherein the proportioning of the pulping of wear-resisting pulping and waste paper is: 40~60:60~40.The processing method of waste paper pulping wherein is same as the prior art, and common practices is with waste paper process pulper, high concentration desanding device, scalping, heavy desander, fine screen, mill device processes, finally makes the waste paper pulping.
Further, in order more to strengthen ABRASION RESISTANCE, in above-mentioned steps 2, also mixed the polycrystalline ceramic particle of 0.1%-0.5% weight portion in wear-resisting batching, this polycrystalline ceramic particle is the micro mist form; This polycrystalline ceramic particle is the polycrystalline ceramic particle that beryllium oxide, carborundum, aluminium nitride, boron nitride, boron carbide, aluminum silicon carbide, silicon aluminum nitrides, aluminum carbonitride silicon, carbon, nitrogen and boron silicon or carbon, nitrogen and boron aluminum are made.Same, the particle size range of micro mist is 0.5-5 μ m.Add the polycrystalline ceramic particulate composite of micro mist form in above-mentioned wear-resisting batching, and this wear-resisting batching has been added in the pulping of useless screenings and make wear-resisting pulping, improved significantly wear-resisting pulping flatness, stiffness and toughness.
In addition, the useless screenings in step 1 comprises bagasse and/or manioc waste and/or vinasse slag.
The present invention mixes by proportioning with the waste paper pulping by the pulping that uses useless screenings by said method, compares with the production method of the waste paper pulping that uses full waste paper, has reduced cost; Simultaneously, in order to increase smoothness and ABRASION RESISTANCE, also evenly mix wear-resisting batching in the pulping of useless screenings, mixed in proportion by high-molecular organic material, stabilizing agent, lubricant, antioxidant, adhesive and stone flour, greatly increased its smoothness and ABRASION RESISTANCE; In addition, in some occasion, need to use the higher spool body paper of ABRASION RESISTANCE, can add the polycrystalline ceramic particulate composite of micro mist form in wear-resisting batching, to significantly improve flatness, stiffness and the toughness of the spool body paper of making.
The specific embodiment
In order to reduce the production cost of spool body paper, most of manufacturer can only add the inferior filler of a large amount of stone flours and other matter in order to reduce costs, and the poor product quality of producing, of low grade makes the market of common spool body paper have difficulty in taking a step.In the cost of common spool body paper, raw material account for more than 50%, and seek low price and the measured alternative materials of matter is that paper industry is ceaselessly pursued always.In addition, on the basis that reduces costs, producing high-quality spool body paper is also the research direction that paper industry is endeavoured always.The present invention has been mainly and has addressed the above problem, and reduces costs by the substantially much the same waste paper pulping of usage ratio and useless screenings pulping, then solves quality problems by adding wear-resisting batching, thereby provide a unique novel research direction to paper industry.
Concrete scheme of the present invention is as follows, and the spool body paper production technology that a kind of secondary stock is made comprises the following steps:
Step 1: the pulping of processing useless screenings: the screenings that will give up screening, removal of impurities, it is diluted to the concentration of 20~25% left and right, cross the sand cleaning machine desanding, residual heavy impurity is removed, then circular grinding is crushed to fibre length between 0.5~1.5mm in fiberizer, make its fiber of isolating different length, in order to form more space frame when formed product; Useless screenings after grinding is through dehydration after cleaning, stand-by between moisture is controlled at 70%~80%;
Step 2: prepare wear-resisting batching, this wear-resisting batching is by following components by weight percent: the high-molecular organic material of 100 parts, 0.1-0.5 part stabilizing agent, the lubricant of 0-1 part, 0.5-1.5 part antioxidant, 1-1.5 part adhesive, 1-1.5 part stone flour; Above-mentioned high-molecular organic material, stabilizing agent, lubricant, antioxidant, adhesive and stone flour are micro mist or liquid form.Described high-molecular organic material is acrylonitrile-butadiene-styrene copolymerized compound (ABS) or epoxy resin; Described stabilizing agent is stearate or epoxy resin; Described lubricant is stearic acid; Described antioxidant can use antioxidant B900(ABS use, and Yixing angel's synthetic chemistry Co., Ltd produces) or anticatalyst V72-p(used for epoxy resin, Guangzhou will one chemical industry Co., Ltd produces); In order further to increase ABRASION RESISTANCE, also can mix a small amount of (weight portion of 0.1%-0.5%) polycrystalline ceramic particle in this wear-resisting batching, this polycrystalline ceramic particle is that the materials such as beryllium oxide, carborundum, aluminium nitride, boron nitride, boron carbide, aluminum silicon carbide, silicon aluminum nitrides, aluminum carbonitride silicon, carbon, nitrogen and boron silicon or carbon, nitrogen and boron aluminium are made; The particle size range of micro mist is 0.5-5 μ m;
Step 3: the wear-resisting batching of mixing the 1%-2.5% weight portion in the pulping of the useless screenings that step 1 is obtained, and by homogenizer, it is mixed, obtain wear-resisting pulping;
Step 4: the wear-resisting pulping that step 3 is obtained mixes in proportion with treated waste paper pulping, carries out obtaining regenerating after the sand paper pipe is manufactured paper with pulp the spool body paper; Wherein the proportioning of the pulping of wear-resisting pulping and waste paper is: 45~55:55~45.The processing method of waste paper pulping wherein is same as the prior art, and common practices is with waste paper process pulper, high concentration desanding device, scalping, heavy desander, fine screen, mill device processes, finally makes the waste paper pulping.
The pulping of above-mentioned waste paper refers to the pulping that leftover pieces of disregard message paper, litter decoration and other waste and old cultural papers and carton factory etc. are made.
The spool body paper that a kind of secondary stock of the present invention is made specifically when the spool body paper production technology of making according to above-mentioned secondary stock is made, adopts different proportionings according to different product requirements, add wear-resisting batching, and other various paper making additives, after fully mixing, copy paper production.Now the present invention is further described in conjunction with specific embodiments.
Embodiment 1
Preparation flow by above-mentioned production technology, get the pulping of the useless screenings after processing, then mix the wear-resisting batching of 1% weight portion, then and by homogenizer it is mixed, then mix for the proportioning of 45:55 in proportion with treated waste paper pulping, obtaining the spool body paper through other operations.Wherein, wear-resisting batching is by following components by weight percent: the high-molecular organic material of 100 parts, 0.1 part of stabilizing agent, the lubricant of 1 part, 0.5 part of antioxidant, 1 part of adhesive, 1 stone flour.
Embodiment 2
Preparation flow by above-mentioned production technology, get the pulping of the useless screenings after processing, then mix the wear-resisting batching of 1.5% weight portion, then and by homogenizer it is mixed, then mix for the proportioning of 48:52 in proportion with treated waste paper pulping, obtaining the spool body paper through other operations.Wherein, wear-resisting batching is by following components by weight percent: the high-molecular organic material of 100 parts, 0.5 part of stabilizing agent, the lubricant of 0.5 part, 1 part of antioxidant, 1 part of adhesive, 1 part of stone flour.
Embodiment 3
Preparation flow by above-mentioned production technology, get the pulping of the useless screenings after processing, then mix the wear-resisting batching of 2.5% weight portion, then and by homogenizer it is mixed, then mix for the proportioning of 55:45 in proportion with treated waste paper pulping, obtaining the spool body paper through other operations.Wherein, wear-resisting batching is by following components by weight percent: the high-molecular organic material of 100 parts, 0.5 part of stabilizing agent, the lubricant of 1 part, 1.5 parts of antioxidants, 1.5 parts of adhesives, 1.5 parts of stone flours.
Experiment shows, the spool body paper that above-described embodiment prepares, and it has, and smooth surface, flexible, intensity are good, the stiffness advantages of higher.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.