CN100563959C - The processing technology of tung oil floor - Google Patents

Abstract

The invention discloses a kind of floor, especially a kind of processing technology of tung oil floor, it is mainly used in the processing solid wooden floor board.The procedure of processing of this processing technology is, with moisture content 7～12%, after the positive sanding of tongue and groove tabula rasa, baking is not preheated to 50 ± 5 ℃ at the four sides, on the front, floor with cotton erasing one deck boiled wood oil; Treat that the floor dries after 6～10 minutes baking and be preheated to 50 ± 5 ℃, again on the front, floor with cotton erasing one deck boiled wood oil; Treating that the floor is dried is cooled to four sides tongue and groove behind 25 ± 10 ℃ of the normal temperature, then under 25 ± 10 ℃ of normal temperature, at four limits of holding grooved and tongued floor successfully and the back side with cotton erasing one deck boiled wood oil; Treat that the floor dries after 8～12 minutes on the floor six with cotton erasing one deck boiled wood oil again, drying packing check warehouse-in after 24 ± 4 hours.The present invention has the advantage of environmental protection resistance to deformation, damp-proof and moth-proof, the original natural performance of reservation timber.

Description

The processing technology of tung oil floor

Technical field

The present invention relates to a kind of floor, especially a kind of processing technology of tung oil floor, it is mainly used in the processing solid wooden floor board.

Background technology

Timber floor is the material of facial ornament mainly of modern room finishing, be divided into solid wooden floor board, solid wooden compound floor, consolidated floor, cork flooring, bamboo floor, PVC floor etc. by material and structure, wherein real environmental protection, show the also true timber floor of elegance, atmosphere noble quality.99% is lacquer decorations floor in the solid wooden floor board, and lacquer decorations floor is divided into UV (ultraviolet light) and PU covers or decorate with paint technology for two kinds, and surface paint is only paid attention on common UV and PU technology paint floor, causes the back side " weakness " on floor, and very easily suction or dehydration cause distortion.Be chemistry paint (unsaturated polyester (UP) adds styrene system, acrylic acid modified system and polyester coating) owing to what use again, cause the floor adding the pernicious gas that volatilizees man-hour.Also there is the part solid wooden floor board to paste the aluminium film at the back, cause the user can't distinguish the defective of timber itself, even stick transparent film, the user can intuitively see the defective of floor material, but because the plastic foil envelope is too tight, timber almost can't be breathed, and has lost solid wooden floor board and has regulated the main natural function of temperature, humidity.

Chinese invention patent 02132656.8 discloses " a kind of environment protection damp-proof and moth-proof solid wooden floor board ", floor after it will be handled through Dried and desized process, putting into oil oven soaked 24 hours with linseed oil, castor oil, three kinds of miscellas of tung oil under 130 ℃～180 ℃ high temperature and three high pressure more than the atmospheric pressure, in dry kiln under 60 ℃～80 ℃ temperature dry 3～4 days again, scraping behind the kiln discharge to handle formed solid wooden floor board.Though this floor has damp-proof and moth-proof characteristics preferably, but still have weak point: 1, it adopts the miscella of linseed oil, castor oil, tung oil, linseed oil degree of unsaturation height wherein, poor stability, easily autoxidation is rotten, even preserving, short-term also easily becomes sour, and the linseed oil poor-performing of anti-the indentation, go up hard soft (referring to China commercial knowledge knowledge network http://knology.chinaccm.com/) down, so be difficult to guarantee the real use value of this miscella on the floor; 2, temperature in this floor process is up to 180 ℃, destroyed one of three big components of natural timber---lignin, lignin is a thermoplastic, when having moisture to exist, under temperature action, lignin takes place softening, along with temperature raises, softening degree increases, and forms because lignin is the phenols of various different polymerization degrees, fusing point has nothing in common with each other, the softening degree of different temperatures is also different, and lignin is the temperature of fusing all, and softwood is 170 ℃～175 ℃, broadleaf is 160 ℃～165 ℃, condense again after the cooling, hardening becomes fragile (referring to " the timber process technology " of publishing publishing house of Northeast Forestry University in April, 1998 the 19th page), and the broad-leaf forest ratio on the domestic solid wooden floor board market accounts for more than 98%, therefore with this PROCESS FOR TREATMENT timber, be unfavorable for the original natural structure of timber; 3, this floor HTHP immersion treatment, the timber complete closed, make natural timber lose original " breathing " function, and the HTHP immersion can to cause the monoblock floor to contain vegetable oil too much, room after mating formation can have the peculiar smell of vegetable oil, has covered the original natural flavor of timber; 4, mention " also can be to end the later floor of groove " in the specific embodiment of this patent specification, if solid wooden floor board carries out the HTHP immersion after ending notch, be certain to cause the size on floor and morpheme to produce deviation, make it not reach the national standard requirement.

Summary of the invention

Technical problem to be solved by this invention provides the tung oil floor processing technology of a kind of environmental protection resistance to deformation, damp-proof and moth-proof, the original natural performance of reservation timber.

The present invention addresses the above problem the technical scheme that is adopted: the procedure of processing of this processing technology is, with moisture content 7～12%, after the positive sanding of tongue and groove tabula rasa, baking is not preheated to 50 ± 5 ℃ at the four sides, on the front, floor with cotton erasing one deck boiled wood oil; Treat that the floor dries after 6～10 minutes baking and be preheated to 50 ± 5 ℃, again on the front, floor with cotton erasing one deck boiled wood oil; Treating that the floor is dried is cooled to four sides tongue and groove behind 25 ± 10 ℃ of the normal temperature, then under 25 ± 10 ℃ of normal temperature, at four limits of holding grooved and tongued floor successfully and the back side with cotton erasing one deck boiled wood oil; Treat that the floor dries after 8～12 minutes on the floor six with cotton erasing one deck boiled wood oil again, drying packing check warehouse-in after 24 ± 4 hours.

The four sides of the present invention not tabula rasa of tongue and groove is that the wet embryonic plate of log is placed in 50 ℃～100 ℃ the steam-jet kiln, carries out drying processing 20～30 days, health 20～30 days under ventilated environment again behind the kiln discharge, thus make its moisture content be controlled at 7-12%.

Boiled wood oil of the present invention is the above boiled wood oil of national standard secondary.

Sanding of the present invention is twice, and first pass is with 80# abrasive band coarse sand, and second time with 180# abrasive band fine sand.

The present invention compared with prior art, has following beneficial effect: 1, not toxic through the tung oil that refines, the finished product boiled wood oil that this process using national standard secondary is above, it is the free from admixture exclusion finished product that refines by specialized factory, with this boiled wood oil erasing is carried out on the floor, nontoxic, do not contain industrial chemicals, be not subjected to specialty to boil the restriction of finished product boiled wood oil process, can guarantee that producers' is healthy and safe; 2, timber has the characteristic of expanding with heat and contract with cold, wood cell after the baking and conduit are in the open to the outside world state, the abundant percdation that helps boiled wood oil, tung oil has very strong anticorrosion water proofing property, floor antiseptic insect-repelling humidity resistance after covering or decorate with paint with it is fairly good, can also effectively reduce solid wooden floor board and distortion such as cracking, distortion, expansion in use occur; 3, four limits of holding grooved and tongued floor successfully and back erasing boiled wood oil are carried out in 25 ± 10 ℃ of normal temperature, do not pass through high temperature high pressure process, the dimension deviation and the shape position error that have guaranteed the floor comply with the national standard requirements, and when install at home on the floor, under damp-proof membrane is housed, moisture content mainly enters from floor surface, so the emphasis of infiltration processing technology is at floor surface; 4, six of the floor all even erasings in surface have boiled wood oil, utilize boiled wood oil normal temperature naturally osmotic principle, form layer protective layer at floor surface, can slow down the time on moisture content turnover floor, reach the purpose of resistance to deformation, and be not floor complete " shutting ", and do not destroy wood structure, kept natural timber and discharged fragrance and regulate the original performance of humiture; 5, four limits and the PU floor on common UV floor process with spraying coating process, its with high-pressure spray gun will paint form vaporific, You Qi utilization rate only has an appointment 30% like this, a large amount of paint meeting disperses are in air, and not only waste is painted, and also is unfavorable for producers' health, and the present invention for manual with the cotton erasing of exerting oneself, both be beneficial to the tung oil infiltration, do not had paint waste again, guaranteed safety in production; 6, this processing technology both had been fit to homemade broad-leaf forest and coniferous forest, also was fit to import broad-leaf forest and coniferous forest, and was applied widely; 7, tung oil is that the fruit of natural plants tung tree forms through physical principle squeezing, natural environmental protection again, noble elegant solid wooden floor board and ancient tung oil are combined, not only cater to now the fashion idea of recovering one's original simplicity, enjoy ecosystem, can show the honorable rare and grade of product again.

The specific embodiment

The floor that the present invention processed is the light floor without tongue and groove, need earlier the wet embryonic plate of log to be placed in 50 ℃～100 ℃ the steam-jet kiln, carrying out drying handled 20～30 days, health 20～30 days under ventilated environment again behind the kiln discharge, thereby make its moisture content be controlled at 7-12%, the detection method of moisture content is the over dry method.Its procedure of processing is: with moisture content at 7～12% four sides tongue and groove tabula rasa positive not earlier with 80# abrasive band coarse sand, use 180# abrasive band fine sand again after, baking is preheated to 50 ± 5 ℃, on the front, floor with the manual erasing one deck of cotton boiled wood oil; Baking is preheated to 50 ± 5 ℃ to treat to dry after 6～10 minutes again in the floor, and again on the front, floor with the manual erasing one deck of cotton boiled wood oil; After treating that the floor was dried 24 ± 4 hours and is cooled to 25 ± 10 ℃ of normal temperature, the four sides tongue and groove, then under 25 ± 10 ℃ of normal temperature, at four limits of holding grooved and tongued floor successfully and the back side with the manual erasing one deck of cotton boiled wood oil; Treat that the floor dries after 8～12 minutes at six of the floor with the manual erasing one deck of cotton boiled wood oil, packing check warehouse-in after drying 24 ± 4 hours under the almost dustless environment again.Used boiled wood oil is the above boiled wood oil of national standard secondary (claiming flood oil again).

Claims (4)

1, a kind of processing technology of tung oil floor is characterized in that: procedure of processing is,

(1) with moisture content 7～12%, after the positive sanding of tabula rasa of tongue and groove, baking is not preheated to 50 ± 5 ℃ at the four sides, on the front, floor with cotton erasing one deck boiled wood oil;

(2) treat that the floor dries after 6～10 minutes baking and be preheated to 50 ± 5 ℃, again on the front, floor with cotton erasing one deck boiled wood oil;

(3) treat that the floor dried 24 ± 4 hours and be cooled to four sides tongue and groove behind 25 ± 10 ℃ of the normal temperature, then under 25 ± 10 ℃ of normal temperature, at four limits of holding grooved and tongued floor successfully and the back side with cotton erasing one deck boiled wood oil;

(4) treat that the floor dries after 8～12 minutes on the floor six with cotton erasing one deck boiled wood oil again, drying packing check warehouse-in after 24 ± 4 hours.

2, the processing technology of tung oil floor according to claim 1, it is characterized in that: the described four sides not tabula rasa of tongue and groove is that the wet embryonic plate of log is placed in 50 ℃～100 ℃ the steam-jet kiln, carrying out drying handled 20～30 days, health 20～30 days under ventilated environment again behind the kiln discharge, thus make its moisture content be controlled at 7～12%.

3, the processing technology of tung oil floor according to claim 1 is characterized in that: described boiled wood oil is the above boiled wood oil of national standard secondary.

4, the processing technology of tung oil floor according to claim 1 is characterized in that: described sanding is twice, and first pass is with 80# abrasive band coarse sand, and second time with 180# abrasive band fine sand.