A kind of low phenol environmental protection floor tile and its manufacture method
Technical field
The invention belongs to chemical technology field, specifically, it is related to a kind of low phenol environmental protection floor tile and its manufacture method.
Background technology
Pvc plastic floor is a kind of popular novel light body floor decorative material, also referred to as " light body in the world today
Ground material ".It is a kind of product very popular in American-European and Asia Japan and Korea S, fashionable external, initially enter China from the beginning of the eighties
Market, so far big and medium-sized cities at home obtained universal accreditation, using widely, such as indoor family, hospital,
School, office building, factory, public place, supermarket, commercially, the various places such as stadiums.
Pvc plastic floor has clean, clean and tidy, elastic, sound-absorbing, the top grade dress for ground of the function such as beautiful, generous
Exterior material, its environmental protection, through national departments concerned detection, nontoxic, nuisanceless, content of formaldehyde is " zero ", is Chinese architecture material
Stream leads to that the green building material .pvc plastic floor promoted the use of of association is not only frivolous but also superpower wear-resistant, has high resiliency and superpower
Impact resistance, Antiskid flame-proof, is that a kind of performance is good, of many uses, high performance-price ratio is considerably beyond timber floor, marble and ceramic tile etc.
Floor.
Pvc plastic floor technical characteristics:
Density 1380kg/m3;
Young's modulus of elasticity (e) 2900-3400mpa;
Tensile strength (σ t) 50-80mpa;
87 DEG C of glass transformation temperature;
212 DEG C of fusing point;
85 DEG C of softening point;
Thermal conductivity (λ) 0.16w/m.k;
Thermal coefficient of expansion (α) 810-5/k;
Thermal capacitance (c) 0.9kj/ (kg k);
Water absorption rate (astm) 0.04-0.4.
1. light weight: general pvc plastic floor weight is 2-3 kilogram/square meter, the 10% of not enough common ground, build in high level
There is unrivaled advantage for building body load-bearing and saving space in building.
2. environmental protection: the primary raw material of general pvc plastic floor is polrvinyl chloride, and it is the Renewable resource of environment-protecting asepsis,
The harmful substances such as the formaldehyde with respect to timber floor, its environmental-protecting performance has absolute advantage.
3. high-elastic, shock resistance: pvc plastic floor soft texture, so elasticity is very well, have good under heavy impact
Elastic return, so the traumatic injury that slides into of personnel can be greatly reduced, the impact failure to weight simultaneously also has good elastic return,
Do not result in damage.
4. anti-skidding: it is puckery characteristic that pvc plastic floor has with water, general pvc plastic floor has all done anti-skidding process simultaneously
(wearing layer decorative pattern)
5. waterproof: pvc plastic floor main component is polrvinyl chloride, thus naturally not afraid of water, as long as long period of soaking is not just
Will not damage.
6. sound-absorbing: pvc plastic floor sound-absorbing up to 20 decibels, so in the environment needing peace and quiet such as hospital ward, books
Pvc plastic floor is selected on the ground such as shop, Conference Hall, just without worried for the sound of high-heel shoes again.
7. in a great variety: pvc plastic floor can be processed into numerous colors and decorative pattern, thus the decorative pattern of user can
The range of choice is more extensive, it is possible to achieve personalized customization.
8. construction and installation are easy: preferably cutter just can cut randomly, and construction can be with simple concatenation it is also possible to seamless
Welding.
9th, superelevation cost performance: more a lot of than professional timber floor low price, but performance is more remarkable.
Pvc Elastic plastic-rubber floor is the most novel high-tech pavement in current world building material industry.Abroad
Commonly used in decorative engineering.Since first item pvc plastic floor entrance eighties domestic market, until 2000 whole industries
It is in and gropes and the primary stage, there is initial development on pvc floor within 2000 2004,2004 2007 pvc plastic cement fortune
Dynamic floor has gradually obtained the accreditation of industry with commercial floor, and increasing stadiums, competition area start from specialty
Pvc athletic floor, increasing architectural engineering also begins to from pvc commercialization floor. with holding of 2008 Olympic Games, with
And the approval to pvc plastic floor for the whole market. the sector has been enter into period of expansion according to experts' analysis. and future will enter for 5 10 years
Enter a high-speed development period.
According to national development plan in 2010, building industry will become one of mainstay of the national economy industry, and country will be in city
City builds 33.5 hundred million square metres of the area of residence, builds 5,000,000,000 square metres of the area of residence in cities and towns, about 1,000,000,000 square metres of public building, by state
Outer pvc floor accounts for 1/3 ratio and calculates this will be a huge market, has effectively driven pvc plastic floor industry development.
Existing polrvinyl chloride plastic floor voc content is high, and polrvinyl chloride plastic floor fire resistance is compared with ceramic floor slightly
Difference, polrvinyl chloride plastic floor weather resistance is slightly worse compared with ceramic floor.If that will to develop low phenol environmental protection floor tile new material
There is very significant social benefit and economic worth.
Polyvinyl chloride film, in order to weaken the Van der Waals force between polymer, increases the mobility of polymer molecular chain, fall
The crystallinity of low polymer strand, the addition plasticiser being necessary for, pvc plasticiser is the oily mater of class esters, inflammable,
Consumption with plasticiser is more, and the fire resistance of pvc product is poorer.
Polrvinyl chloride refers to a kind of macromolecular material using a chlorine atom to replace one of polyethylene hydrogen atom,
The structure of this material is as follows: [- ch2-chcl -] n contains the unstable base such as unsaturated double-bond, side chain due to polrvinyl chloride
Group, the photoaging degraded that therefore can cause under the irradiation of UV-sunlight.
Content of the invention
Instant invention overcomes shortcoming of the prior art, there is provided a kind of low phenol environmental protection floor tile and its manufacture method, its symbol
Close the low phenol standard of EU countries, need not be affected by the no clear and definite limit value of the low phenol of European Union, strictly voc content is limited in
100μg/m3Hereinafter, low phenol environmental protection floor tile is made can to meet the low voc release standard of German agbb indoor decorating and refurnishing materials and Europe
Limits of harmful substances standard in the polyvinyl chloride sheet floor of various countries of alliance, and increase the anti-flammability of polyvinyl chloride sheet floor film
Can, improving its weatherability enables polyvinyl chloride sheet floor film to reach the mark of 5 grades of iso105-b02:2013 color fastness to light gray card
Accurate.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of low phenol environmental protection floor tile, according to the mass fraction, with respect to 100 parts of Corvic, containing p-phthalic acid
Dioctyl ester 25-35 part, epoxy soybean oil 2-3 part, powder body calcium-zinc composite stabilizing agent 2-3 part, benzophenone type ultraviolet light absorber
0.5-1 part, phosphate ester flame retardants 4-10 part.
Further, according to the mass fraction, with respect to 100 parts of Corvic, containing 30 parts of DOTP,
2.5 parts of epoxy soybean oil, 2.5 parts of powder body calcium-zinc composite stabilizing agent, 0.5 part of benzophenone type ultraviolet light absorber, phosphoric acid ester
6 parts of fire retardant.
Further, described Corvic is pvc-sg-7, and the degree of polymerization is 800.
A kind of manufacture method of low phenol environmental protection floor tile,
A. the raw material automatic gauge of described formula enters mixer and first measures polyvinyl chloride resin powder and then measure powder again
Body calcium-zinc composite stabilizing agent, benzophenone type ultraviolet light absorber, phosphate ester flame retardants, finally metering p-phthalic acid two pungent
Ester and epoxy soybean oil, treat that the complete first afterwards mixed on low speed of all of measuring raw materials enters back into mixed at high speed, mixed at high speed in 10 seconds
Time is 4 minutes about, is sufficiently mixed under high velocity agitation, obtains mixture;
B. the mixture mixing discharge is entered cold mixing machine, when cold mixing temperature is to 60 DEG C -65 DEG C;
C. mixture discharge good for cold mixing is entered Planetary Screw Extruder tentatively to be plastified, obtain a plurality of bar
Fused materials;
D. the fused materials of preliminary plasticizing enter to roll turbine and fully plastify, and obtain and plastify uniform strip fused materials;
E. strip fused materials prolong shaped device through calendering main frame roll-in, then take, are embossed, cooling down coiling process, through drawing
After obtain finished product.
Further, in described cold mixing machine, Magnet is installed.
Further, described mixed on low speed speed is 700~750rpm/min, and mixed at high speed speed is 1400~1440rpm/
min.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention has and meets European Union's low phenol standard, European Union's indoor decorating and refurnishing materials low voc release standard and
Limits of harmful substances standard in gb18586-2001 indoor decorating and refurnishing materials polyvinyl chloride sheet floor, meets iso105-
5 grades of b02:2013 examination criteria color fastness to light gray card, meets phthalate 16p < 1000ppm examination criteria, without weight
The advantages of metal.
Brief description
Accompanying drawing is used for providing a further understanding of the present invention, is used for together with embodiments of the present invention explaining the present invention,
It is not construed as limiting the invention, in the accompanying drawings:
Fig. 1 is the process chart of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
A kind of low phenol environmental protection floor tile of the present invention, according to the mass fraction, with respect to 100 parts of Corvic, contains
30 parts of DOTP, 2.5 parts of epoxy soybean oil, 2.5 parts of powder body calcium-zinc composite stabilizing agent, benzophenone type ultraviolet light
0.5 part of absorbent, 8 parts of phosphate ester flame retardants, wherein, Corvic is pvc-sg-7, and the degree of polymerization is 800.
The advantage of this product:
1. meet European Union's low phenol environmental protection standard;
2. meet European Union's indoor decorating and refurnishing materials low voc release standard and gb18586-2001 indoor decorating and refurnishing materials
Limits of harmful substances standard in polyvinyl chloride sheet floor;
3. meet 5 grades of iso105-b02:2013 examination criteria color fastness to light gray card;
4. meet phthalate 16p < 1000ppm examination criteria;
5. meet rohs standard, European Union's packaging directive 94/62/ec, U.S.'s packaging directive coneg, pb, cd, hg, cr6+Four
The summation of heavy metal species is less than 100ppm;
Material therefor of the present invention is all using environmental protection raw material, using the environmental protection calcium-zinc composite stabilizing agent without phenols, raw
Produce no phenolic product, realize phthalate 16p < 1000ppm examination criteria using p-benzene dioctyl dicarboxylic acid elasticizer, right
Dioctyl phthalate is good with the pvc compatibility, and volatility is little, and compared with traditional adjacent benzene class plasticizer, such plasticizer has
The features such as phthalate that volatility is little, limit without European Union, accorded with completely with the PVC floor tile that dotp produces
Close the low voc release standard of European Union's indoor decorating and refurnishing materials.
Using the plasticizer of the powder body calcium zinc stabilizer without solvent flashing and low volatility, can achieve and meet German agbb
And the low voc release standard of other European Union member countries indoor decorating and refurnishing materials, calcium zinc stabilizer and traditional lead salt stabilizer, cadmium barium
Zinc stabilizer, barium zinc stabilizer are compared and are had the advantage that not leaded, Ge Deng European Union limits the heavy metal using, Ca Zn composite
Stabilizer does not add any antioxidant, has without phenols such as phenol, nonyl phenol, octyl phenols compared with liquid barium zinc stabilizer
Material, the low phenol complying fully with outlet European Union indoor decorating and refurnishing materials requires, and powder body calcium zinc stabilizer does not contain solvent, does not have
Voc evaporates.
By adding 6 parts of phosphate ester flame retardants, can effectively improve the fire resistance of PVC flooring film.
By adding benzophenone type ultraviolet light absorber in polyvinyl chloride film, improve the resistance to of PVC flooring film
Time property enables PVC floor tile to reach iso105-b02:2013 5 grades of standards of examination criteria color fastness to light gray card.
Refering to Fig. 1, a kind of manufacture method of low phenol environmental protection floor tile of the present invention is:
A. raw material automatic gauge enters mixer and first measures pvc powder and then quantification stability agent, ultraviolet (UV) resistant agent, resistance again
Combustion agent, finally metering plasticizer, prevent from first measuring the phenomenon that resistance when plasticizer leads to mix increases generation mixing inequality, treat institute
After some measuring raw materials are complete, first low velocity mixing enters back into mixed at high speed for 10 seconds, and the mixed at high speed time is 4 minutes about,
It is sufficiently mixed under high-speed stirred, obtains mixture, mixed on low speed speed is 700~750rpm/min, mixed at high speed speed is
1400~1440rpm/min;
B. the mixture mixing discharge is entered cold mixing machine, cold mixing temperature will cool down to when 60 DEG C -65 DEG C
Mixture discharge enters Planetary Screw Extruder, and cold mixing temperature can not be too high, the too high entrance Planetary Screw Extruder of temperature
Easily swelling occurs during loading hopper, secondly easily produces grog phenomenon after the too high entrance Planetary Screw Extruder of temperature,
Cold mixing temperature can not be too low, is difficult to plastify after the too low entrance Planetary Screw Extruder of temperature;
C. mixture discharge good for cold mixing is entered Planetary Screw Extruder and tentatively plastified a plurality of bar of acquisition
Fused materials;
D. the fused materials tentatively plastifying enter to roll turbine and fully plastify the acquisition uniform strip fused materials of plasticizing;
E. strip fused materials prolong shaped device through calendering main frame roll-in, then take device, embossing device, cooling dress through drawing
Put, obtain finished product after the operation such as devices for taking-up.
Production technology of the present invention is also had the following characteristics that with traditional production technology
1. material is directly entered Planetary Screw Extruder after automatic gauge, mixed at high speed, cold mixing cooling and carries out tentatively
Plasticizing, is not needed to enter ten thousand horsepowers of machines compared with traditional production technology and carries out banburying;
2. get well it is only necessary to one group is rolled turbine and further moulded by force because the preliminary plasticizing effect of Planetary Screw Extruder is non-
Change, decrease one group compared with traditional production technology and roll turbine;
3. all of metallicses can be absorbed because in cold mixing equipment equipped with strong magnets, therefore not need filter to enter
Row filters, and decreases filter compared with traditional production technology;
4. the product that production technology of the present invention is produced has scenery with hills and waters stricture of vagina, the mitigation of flowing water stricture of vagina, fisheye minimizing, cold speckle, gas
Speckle reduces, surface brightness improves a lot, and plastifying physical property easy to control, bright in colour, thin film also has different degrees of proposing
High;
5. production technology Planetary Screw Extruder of the present invention instead of traditional ten thousand horsepowers of machines, decrease one group roll turbine and
Filter device, can economize on electricity more than 1,200,000 (kw h) every year, every year can power saving more than 1,000,000;
6. after production technology Planetary Screw Extruder of the present invention instead of traditional ten thousand horsepowers of machines, former ten thousand horsepowers of secret envelope profits
Lubricating oil can all save, and can save cost of lube every year with more than 200,000;
7. production technology Planetary Screw Extruder of the present invention instead of traditional ten thousand horsepowers of machines, decrease one group roll turbine and
Filter device, per tour can reduce artificial one, can save labor cost more than 200,000 every year.
Finally it is noted that these are only the preferred embodiments of the present invention, it is not limited to the present invention, although
With reference to embodiment, the present invention is described in detail, for a person skilled in the art, it still can be to aforementioned
Technical scheme described in each embodiment is modified, or carries out equivalent to wherein some technical characteristics, but all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement made etc., should be included in the protection of the present invention
Within the scope of.