Summary of the invention
The object of the present invention is to provide a kind of high efficiente callback to utilize waste foam to prepare the method for fire-proof board, scope and approach that organic foam is recycled are expanded, waste foam utilization ratio is high, the fire-proof board fire resistance excellence of preparation simultaneously, waterproof, rotproofness performance are given prominence to, and formaldehydeless release, safety and environmental protection.
The present invention is achieved through the following technical solutions:
A fire-proof board that utilizes waste foam to prepare, each feed composition proportioning is by weight as follows: 100 parts, waste foam powder, novolac resin powder 10-20 part, solidifying agent 2-4 part, environment-friendly plasticizer 2-5 part, silane coupling agent 0.5-1 part, filler 0-10 part.By the reasonable compatibility of raw material, the fire-proof board fire resistance excellence of acquisition, waterproof, rotproofness performance are given prominence to, and also have outstanding mechanical property, and formaldehydeless release, and safety and environmental protection is simultaneously high to the recovery utilization rate of waste foam.In described raw material, adopt novolac resin powder as binding agent, can be good at playing cohesive action, and without free formaldehyde, safety and environmental protection; The effect of described solidifying agent is to make thermoplastic phenolic be cross-linked to form three-dimensional net structure, makes caking agent reach required bonding strength; The effect of described environment-friendly plasticizer is the toughness that can improve phenolic adhesive; The effect of described silane coupling agent is the consistency that can improve between resol and mineral filler.The effect of described filler is to increase mechanical strength.
As optional mode, in above-mentioned fire-proof board, described organic waste foam is one or more in waste phenolic foam, waste polyurethane foam, discarded polymethacrylimide foam, discarded urea-formaldehyde foam, discarded melamine foamed plastic.
As optional mode, in above-mentioned fire-proof board, described waste foam powder is the 50-500 object powder obtaining after waste foam is pulverized.The thickness of powder can affect specific surface area size, and then affects the bonding effect of caking agent to powder.
As optional mode, in above-mentioned fire-proof board, described novolac resin powder is 100 ~ 1000 order powder, and its softening temperature is 70-110 DEG C, and polymerization velocity is 30-110s, degree of mobilization 25-110mm, free phenol content≤5%.The novolac resin powder of performance perameter within the scope of this can play better cohesive action, and is conducive to form three-dimensional net structure to increase the mechanical strength of product under the effect of solidifying agent.As preferably, described novolac resin powder was the powder of 200 mesh sieves.The novolac resin net effect of this size range is better.
As optional mode, in above-mentioned fire-proof board, described solidifying agent is urotropine.
As optional mode, in above-mentioned fire-proof board, described environment-friendly plasticizer is epoxy soybean oil, epoxy acetyl linolenic acid methyl esters, epoxyfuoic-oleic, epoxy silkworm chrysalis oil acid butyl ester, ethyl hexyl ester of epoxidized soybean oil, 9, one or more of 10-octyl epoxy stearate, trioctyl lemon acid, tributyl citrate.
As optional mode, in above-mentioned fire-proof board, described silane coupling agent is KH550, KH560, one or more of KH570.
As optional mode, in above-mentioned fire-proof board, described filler is light calcium carbonate, kaolin, talcum powder, aluminium hydroxide, magnesium hydroxide, one or more of nano imvite.
The present invention also provides the preparation technology of above-mentioned fire-proof board, and its concrete steps are as follows:
(1) waste foam is ground into fine powder stand-by;
(2) add successively foam powder, novolac resin powder, environment-friendly plasticizer, silane coupling agent, filler, the solidifying agent raw materials compound that stirs to stirring tank;
(3) compound in step (2) is carried out to preheating, compound is stirred simultaneously;
(4) by the compound uniform spreading after step (3) preheating in mould, hot-forming;
(5) sheet material in step (4) is carried out to subzero treatment.
As optional mode, in above-mentioned preparation technology's step (1), adopt mechanical crusher to pulverize discarded foam.
As optional mode, in above-mentioned preparation technology's step (2), raw material compound is prepared according to following step: first by 100 parts, waste foam powder, novolac resin powder 10-20 part, solidifying agent 2-4 part joins in stirring tank and fully mixes, in stirring tank, add softening agent 2-5 part successively again, silane coupling agent 0.5-1 part, filler 0-10 part is stirred, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
As optional mode, in above-mentioned preparation technology's step (3), described preheating temperature is 100-120 DEG C, and be 10-30min warm up time.
As optional mode, in above-mentioned preparation technology's step (4), described hot-forming pressure is 1-5MP, and temperature is 140-200 DEG C, and the time is 5-15min.
As optional mode, in above-mentioned preparation technology's step (5), the pressure of described subzero treatment is 2-4MP, and temperature is room temperature, and the time is 15-30min.
Disclosed all features in this specification sheets, or step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Beneficial effect of the present invention:
The present invention can utilize waste foam efficiently, and the binding agent of use is novolac resin, without free formaldehyde.The fire retardant performance excellences such as the main raw material waste foam that uses in the present invention, novolac resin, filler, the composite sheet of preparation just has excellent fire retardant performance without adding any fire retardant.
Use technique of the present invention to prepare fire-resistant composite panel material technique simple, easy to operate, the fire-resistant composite panel good processability of preparation, intensity is high, good stability of the dimension, compared with common sheet material, it is fire-retardant, waterproof, rotproofness performance outstanding, and formaldehydeless release, safety and environmental protection, can alternative fiber plate, shaving board etc. uses in industries such as furniture, be with a wide range of applications.
embodiment:
Embodiment is by the following examples described in further detail foregoing of the present invention again.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following example.Do not departing from any amendment of making within the spirit and principles in the present invention, and being equal to of making according to ordinary skill knowledge and customary means replace or improve, all should be included in protection scope of the present invention.Related per-cent in embodiment, is all weight percentage if no special instructions.
Embodiment 1:
(1) use mechanical crusher that waste phenolic foam is ground into the powder that 200 orders sieve.
(2) 2 parts of 10 parts, 100 parts, waste phenolic foam powder, novolac resin powder, urotropines in step (1) are joined in stirring tank and fully mix (the wherein softening temperature 95-105 DEG C of novolac resin powder successively, degree of mobilization 42 ± 5mm, polymerization velocity 48 ± 8s, free phenol≤2.0%).In stirring tank, add 3 parts of epoxy acetyl linolenic acid methyl esters, 0.7 part of Silane coupling agent KH550,5 parts of 325 object kaolin successively again, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 31.2kg in step (2), stir preheating, preheating temperature is 100 DEG C, preheating 20min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 12mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 3.0MPa, and hot pressing temperature is 180 DEG C, hot pressing time is 8min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 2.0MPa, and the time is 25min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*12.
The density of the fire-resistant composite panel of preparation is 800kg/m3, and bending strength is 31.38MPa, and ultimate compression strength is 35.24MPa, Young's modulus 294.41MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate 0.35%, meets weak acid and weak base and only has slight erosion.
Embodiment 2:
(1) use mechanical crusher that waste polyurethane foam is ground into the powder that 100 orders sieve.
(2) 3 parts, 100 parts, the waste foam powder in step (1), 15 parts, novolac resin powder, urotropine joined in stirring tank fully mix successively (wherein 102 ± 5 DEG C of the softening temperatures of novolac resin powder, degree of mobilization 33-53mm, polymerization velocity 60-90s, free phenol≤2.5%).Again successively to adding epoxy acetyl linolenic acid methyl esters and each 1 part of ethyl hexyl ester of epoxidized soybean oil, 1 part of silane coupling agent KH560,7 parts of 400 object talcum powder in stirring tank, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 43.2kg in step (2), stir preheating, preheating temperature is 110 DEG C, preheating 15min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 18mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 4.0MPa, and hot pressing temperature is 160 DEG C, hot pressing time is 12min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 3.0MPa, and the time is 20min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*18.
The density of the fire-resistant composite panel of preparation is 800kg/m3, and bending strength is 32.14MPa, and ultimate compression strength is 34.71MPa, Young's modulus 299.48MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate 0.33%, meets weak acid and weak base and only has slight erosion.
Embodiment 3:
(1) use mechanical crusher that discarded polymethacrylimide foam foam is ground into the powder that 400 orders sieve.
(2) successively 4 parts, 100 parts, the waste foam powder in step (1), 20 parts, novolac resin powder, urotropine joined in stirring tank and fully mix (the wherein softening temperature 85-95 DEG C of novolac resin powder, degree of mobilization 40-65mm, polymerization velocity 38-54s, free phenol≤1.0%).Again successively to adding each 5 parts of 4 parts of epoxyfuoic-oleics, 0.8 part of silane coupling agent KH570,400 object kaolin and light calcium carbonate in stirring tank, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 65.0kg in step (2), stir preheating, preheating temperature is 120 DEG C, preheating 10min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 25mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 5.0MPa, and hot pressing temperature is 200 DEG C, hot pressing time is 5min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 4.0MPa, and the time is 15min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*25.
The density of the fire-resistant composite panel of preparation is 800kg/m3, and bending strength is 37.85MPa, and ultimate compression strength is 38.43MPa, Young's modulus 301.99MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate 0.29%, meets weak acid and weak base and only has slight erosion.
Embodiment 4:
(1) use mechanical crusher that discarded urea-formaldehyde foam is ground into the powder that 120 orders sieve.
(2) successively 2.5 parts, 100 parts, the waste foam powder in step (1), 12 parts, novolac resin powder, urotropine joined in stirring tank and fully mix (the wherein softening temperature 100-110 DEG C of novolac resin powder, degree of mobilization 35-50mm, polymerization velocity 60-95s, free phenol≤1.5%).In stirring tank, add 9 successively again, each 0.5 part of 2 parts of 10-octyl epoxy stearates, Silane coupling agent KH550 and KH570,5 parts of 325 object kaolin, 400 3 parts of object talcum powder, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 35.1kg in step (2), stir preheating, preheating temperature is 115 DEG C, preheating 18min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 12mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 2.5MPa, and hot pressing temperature is 170 DEG C, hot pressing time is 12min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 2.5MPa, and the time is 20min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*12.
The density of the fire-resistant composite panel of preparation is 900kg/m3, and bending strength is 27.35MPa, and ultimate compression strength is 36.72MPa, Young's modulus 278.60MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate 0.3%, meets weak acid and weak base and only has slight erosion.
Embodiment 5:
(1) use mechanical crusher that discarded melamine foamed plastic is ground into the powder that 230 orders sieve.
(2) successively 3 parts, 100 parts, the waste foam powder in step (1), 15 parts, novolac resin powder, urotropine joined in stirring tank and fully mix (the wherein softening temperature 90-110 DEG C of novolac resin powder, degree of mobilization 25-35mm, polymerization velocity 37-53s, free phenol≤1.5%).In stirring tank, add 2 parts of epoxy acetyl linolenic acid methyl esters, 2 parts of epoxy silkworm chrysalis oil acid butyl esters, 1 part of silane coupling agent KH560,3 parts of 200 object kaolin, 4 parts of 400 order light calcium carbonates successively again, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 52.65kg in step (2), stir preheating, preheating temperature is 110 DEG C, preheating 20min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 18mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 4.0MPa, and hot pressing temperature is 170 DEG C, hot pressing time is 10min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 3.0MPa, and the time is 18min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*12.
The density of the fire-resistant composite panel of preparation is 900kg/m3, and bending strength is 34.27MPa, and ultimate compression strength is 36.18MPa, Young's modulus 314.34MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate is less than 0.3%, meets weak acid and weak base and only has slight erosion.
Embodiment 6:
(1) use mechanical crusher that waste phenolic foam is ground into the powder that 325 orders sieve.
(2) successively 3.5 parts, 100 parts, the waste foam powder in step (1), 18 parts, novolac resin powder, urotropine joined in stirring tank and fully mix (the wherein softening temperature 82-98 DEG C of novolac resin powder, degree of mobilization 60-70mm, polymerization velocity 48-62s, free phenol≤2.5%).In stirring tank, add 5 parts of trioctyl lemon acids, 1 part of Silane coupling agent KH550,7 parts of 400 object talcum powder successively again, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 73.13kg in step (2), stir preheating, preheating temperature is 120 DEG C, preheating 8min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 25mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 5.0MPa, and hot pressing temperature is 200 DEG C, hot pressing time is 8min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 4.0MPa, and the time is 15min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*12.
The density of the fire-resistant composite panel of preparation is 900kg/m3, and bending strength is 34.29MPa, and ultimate compression strength is 37.61MPa, Young's modulus 335.97MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate 0.32%, meets weak acid and weak base and only has slight erosion.
Embodiment 7:
(1) use mechanical crusher that waste phenolic foam is ground into the powder that 140 orders sieve.
(2) successively 2 parts, 100 parts, the waste foam powder in step (1), 10 parts, novolac resin powder, urotropine joined in stirring tank and fully mix (the wherein softening temperature 78-88 DEG C of novolac resin powder, degree of mobilization 77-83mm, polymerization velocity 48-60s, free phenol≤1.5%).In stirring tank, add each 0.5 part of 3 parts of tributyl citrates, Silane coupling agent KH550 and KH560,8 parts of 200 object talcum powder successively again, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 39.0kg in step (2), stir preheating, preheating temperature is 105 DEG C, preheating 22min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 12mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 3.5MPa, and hot pressing temperature is 175 DEG C, hot pressing time is 13min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 3.0MPa, and the time is 20min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*12.
The density of the fire-resistant composite panel of preparation is 1000kg/m3, and bending strength is 41.53MPa, and ultimate compression strength is 39.35MPa, Young's modulus 350.24MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate 0.28%, meets weak acid and weak base and only has slight erosion.
Embodiment 8:
(1) use mechanical crusher that waste polyurethane foam is ground into the powder that 270 orders sieve.
(2) successively 2.8 parts, 100 parts, the waste foam powder in step (1), 13 parts, novolac resin powder, urotropine joined in stirring tank and fully mix (the wherein softening temperature 90-102 DEG C of novolac resin powder, degree of mobilization 27-37mm, polymerization velocity 40-52s, free phenol≤1.0%).In stirring tank, add 1 part of epoxy acetyl linolenic acid methyl esters, 3 parts of tributyl citrates, 1 part of silane coupling agent KH570,5 parts of 230 object kaolin successively again, 325 5 parts of order talcum powder, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 58.5kg in step (2), stir preheating, preheating temperature is 110 DEG C, preheating 16min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 18mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 4.0MPa, and hot pressing temperature is 150 DEG C, hot pressing time is 15min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 2.5MPa, and the time is 15min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*12.
The density of the fire-resistant composite panel of preparation is 1000kg/m3, and bending strength is 45.67MPa, and ultimate compression strength is 42.53MPa, Young's modulus 371.82MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate 0.3%, meets weak acid and weak base and only has slight erosion.
Embodiment 9:
(1) use mechanical crusher that waste phenolic foam is ground into the powder that 400 orders sieve.
(2) successively 4 parts, 100 parts, the waste foam powder in step (1), 20 parts, novolac resin powder, urotropine joined in stirring tank and fully mix (the wherein softening temperature 100-110 DEG C of novolac resin powder, degree of mobilization 30-50mm, polymerization velocity 42-52s, free phenol≤1.0%).In stirring tank, add 1 part of trioctyl lemon acid, 1 part of tributyl citrate, 1 part of Silane coupling agent KH550,5 parts of 400 object kaolin, 5 parts of 400 object talcum powder successively again, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 81.25kg in step (2), stir preheating, preheating temperature is 120 DEG C, preheating 10min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 12mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 5.0MPa, and hot pressing temperature is 200 DEG C, hot pressing time is 8min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 3.5MPa, and the time is 18min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*12.
The density of the fire-resistant composite panel of preparation is 1000kg/m3, and bending strength is 51.54MPa, and ultimate compression strength is 49.17MPa, Young's modulus 401.68MPa, and the difficult combustion of fire-protection rating B1 level, water-intake rate 0.3%, meets weak acid and weak base and only has slight erosion.
Embodiment 10:
(1) use mechanical crusher that waste phenolic foam is ground into the powder that 200 orders sieve.
(2) successively 2 parts, 100 parts, the waste foam powder in step (1), 10 parts, novolac resin powder, urotropine joined in stirring tank and fully mix (the wherein softening temperature 95-105 DEG C of novolac resin powder, degree of mobilization 42 ± 5mm, polymerization velocity 48 ± 8s, free phenol≤2.0%).In stirring tank, add 3 parts of epoxy acetyl linolenic acid methyl esters, 0.7 part of Silane coupling agent KH550 successively again, after wherein often adding a kind of auxiliary agent, after stirring, add successively more lower a kind of auxiliary agent, after powder to be mixed finally stirs, obtain raw material compound.
(3) take the compound 31.2kg in step (2), stir preheating, preheating temperature is 100 DEG C, preheating 20min.
(4) preheated compound in step (3) is laid in 1300*2500mm mould, it is 12mm that used thickness rule are controlled hot-pressed board thickness, hot pressing pressure 3.0MPa, and hot pressing temperature is 180 DEG C, hot pressing time is 8min.
(5) the good sheet material of step (4) hot pressing is transferred to rapidly on chilling press, carried out subzero treatment, treatment temp is room temperature, and processing pressure is 2.0MPa, and the time is 25min.
(6) the sheet material deburring to preparation, polishing, makes the sheet material of 1220*2440*12.
The density of the fire-resistant composite panel of preparation is 750kg/m3, and bending strength is 25.65MPa, and ultimate compression strength is 30.62MPa, Young's modulus 274.83MPa.The difficult combustion of fire-protection rating B1 level, water-intake rate 0.5%, meets weak acid and weak base and only has slight erosion.
The foregoing is only the preferred embodiments of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive; Those of ordinary skill in the art understand, and in the spirit and scope that limit, can carry out many changes to it in the claims in the present invention, amendment, and even equivalence is changed, but all will fall into protection scope of the present invention.