CN104890135A - Mixing method for anti-mouse biting flame retardant TPU cable material - Google Patents
Mixing method for anti-mouse biting flame retardant TPU cable material Download PDFInfo
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Abstract
The invention relates to a mixing method for an anti-mouse biting flame retardant TPU cable material. The method is characterized by employing a high speed mixer to mix a particle state TPU raw material A, a liquid state TCEP flame retardant B, a liquid state DMMP flame retardant C, a powder state APP flame retardant D, a powder state zinc borate flame retardant E and powder state capsaicin H according to certain ratio. With the mixing method for the anti-mouse biting flame retardant TPU cable material provided by the invention, the TPU material and the modified material can be mixed uniformly, and the modifier has firm binding force on the TPU material.
Description
Technical field
The present invention relates to a kind of method for mixing of mouse bite preventing flame retardant type TPU CABLE MATERIALS.
Background technology
Along with the development of modern industry, various Modern appliances facility (as communications service, elevator, Telephone set with music, locomotive lead wire etc.) is also more and more higher with the requirement of electric wire to each side.Wherein the quality of Insulation Material performance directly affects quality, working (machining) efficiency, the range of application of electric wire.Common PVC CABLE MATERIALS, due to containing a large amount of chlorine element, can give out a large amount of dense smoke and people can be allowed to suffocate, affect visibility, and produce some carcinogens and HCl gas, cause serious harm to environment during burning., in described specific environment, easily there is damaged and cracking in the shortcomings such as common PVC Insulation Material also also exists acid and alkali-resistance, heat resistant oils, and organic solvent resistance is poor.Thermoplastic polyurethane (TPU) is a kind of organic polymer synthetic material of novel properties excellence, have excellent physical property, such as wearability, screen resilience is all better than common PVC, resistance to ag(e)ing is better than rubber, can be described as the optimal material of alternative PVC.But TPU self does not have fire resistance, during combustion synthesis in air, flame is very violent and with strong black smoke, and has serious drip phenomenon.And the cable mouse bite preventing performance that traditional TPU CABLE MATERIALS is produced is not good.
Therefore seeking TPU material to carry out modification, to become mouse bite preventing flame retardant type TPU CABLE MATERIALS particularly important, and wherein first need general T PU CABLE MATERIALS to mix with modified materials, then just melting co-extrusion can be carried out, and in the mixed process of conventional method, TPU material mix with modified materials exist even not, the defects such as the adhesion of modifier on TPU material is firm not, finally cause the mouse bite preventing flame retardant type TPU CABLE MATERIALS performance of modification to fall flat.Therefore seeking one makes TPU material mix with modified materials, and the method for mixing of the mouse bite preventing flame retardant type TPU CABLE MATERIALS of the firm binding force of modifier on TPU material is particularly important.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide one that TPU material is mixed with modified materials, the method for mixing of the mouse bite preventing flame retardant type TPU CABLE MATERIALS of the firm binding force of modifier on TPU material.
The object of the present invention is achieved like this:
A method for mixing for mouse bite preventing flame retardant type TPU CABLE MATERIALS, adopts high speed mixer the APP fire retardant D of the DMMP fire retardant C of the TCEP fire retardant B of the TPU raw material A of particle state, liquid condition, liquid condition, pulverulence, the zinc borate flame retardant E of pulverulence and the capsicim H of pulverulence to be mixed according to a certain ratio, above-mentioned high speed mixer comprises mixing tank, from protruding upward first rotating shaft bottom it in described mixing tank, first rotating shaft stretch out the half being highly less than mixing tank height, described first rotating shaft is hollow shaft, the second rotating shaft is provided with in described first rotating shaft, the first rotating shaft upper end is stretched out at the top of the second rotating shaft, the middle part of described first rotating shaft is to being outside equipped with the first cutter, described first cutter comprises multiple first rotating knife, first rotating knife comprises the first rotating knife being laterally connected in first rotating arm on the first rotating shaft and first rotating arm outer end, the blade of described first rotating knife has one, the oblique outer top of this blade is arranged, the top of described second rotating shaft is to being outside equipped with the second cutter, described second cutter comprises multiple second rotating knife, second rotating knife comprises the second rotating knife being laterally connected in the second turning arm on the second rotating shaft and the second turning arm outer end, the blade of described second rotating knife has two, these two blades respectively oblique outer top and outer lower side are arranged,
Above-mentioned each component proportion (weight proportion) is as follows:
TPU raw material A: 100 parts
TCEP fire retardant B:6 ~ 12 part
DMMP fire retardant C:8 ~ 12 part
APP fire retardant D:5 ~ 10 part
Zinc borate flame retardant E:5 ~ 10 part
Capsicim H:1 ~ 2 part
The batch mixing step adopting this high speed mixer each component to be carried out mixing is as follows:
One, first compound F is prepared
1, first mixing tank be preheated to 35 DEG C and keep 2 minutes, the A of the particle state of 50% is put into mixing tank, preheating is carried out 3 minutes to A, making A reach 35 DEG C completely;
2, the B of the liquid condition of 70% is poured into, first the second cutter reverses 30 seconds with 60r/min, and then the first cutter rotates forward 60 seconds with 120r/min, and then the first cutter and the second cutter all rotate 2 minutes with 250r/min speed, wherein the first cutter rotates forward, the second cutter reversion;
3, the D of pulverulence of the 80% and H of the pulverulence of 70% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 8 minutes, in these 8 minutes, mixing tank temperature rises to 40 DEG C by original 35 DEG C;
4, the B of the liquid condition of residue 30% is poured again into, first the second cutter rotates forward 30 seconds with 100r/min, and then the first cutter rotates forward 60 seconds with 200r/min, and then the first cutter and the second cutter all rotate 3 minutes with 350r/min speed, wherein the first cutter reversion, the second cutter rotates forward;
5, the D of pulverulence of the residue 20% and H of the pulverulence of 30% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 4 minutes, form first compound F, release from charging basket;
Two, second batch compound G is prepared
1, first mixing tank be preheated to 35 DEG C and keep 2 minutes, the A of the particle state of residue 50% is put into mixing tank, preheating is carried out 3 minutes to A, making A reach 35 DEG C completely;
2, the C of the liquid condition of 70% is poured into, first the second cutter reverses 30 seconds with 60r/min, and then the first cutter rotates forward 60 seconds with 120r/min, and then the first cutter and the second cutter all rotate 2 minutes with 250r/min speed, wherein the first cutter rotates forward, the second cutter reversion;
3, the E of the pulverulence of 80% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 8 minutes, in these 8 minutes, mixing tank temperature rises to 40 DEG C by original 35 DEG C;
4, the C of the liquid condition of residue 30% is poured again into, first the second cutter rotates forward 30 seconds with 100r/min, and then the first cutter rotates forward 60 seconds with 200r/min, and then the first cutter and the second cutter all rotate 3 minutes with 350r/min speed, wherein the first cutter reversion, the second cutter rotates forward;
5, the E of the pulverulence of residue 20% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, and wherein the first cutter rotates forward, the second cutter reversion, and then rotating speed is promoted to 350r/min rotates 4 minutes, form second batch compound G;
Three, first compound F mixes with second batch compound G
In mixing tank, pour first compound F into, carry out slight uniform stirring with second batch compound G, the first cutter and the second cutter first rotate 1 minute with 10r/min speed, and now the first cutter rotates forward, the second cutter reversion; Then the first cutter and the second cutter rotate 1 minute with 10r/min speed again, now the first cutter reversion, and the second cutter rotates forward.
Preferred as one, the length of described first rotating arm is greater than the length of the second turning arm, and the size of described second rotating knife is the half of the first rotating knife size.
Preferred as one, the inwall lower semisection of described mixing tank has been arranged circumferentially multiple shock projection, and clash into projection cross section triangular in shape, a leg-of-mutton wedge angle points to the second cutter.
Compared with prior art, the invention has the beneficial effects as follows:
The method for mixing of mouse bite preventing flame retardant type TPU CABLE MATERIALS of the present invention has TPU material is mixed with modified materials, the advantage of the firm binding force of modifier on TPU material, such that product mouse bite preventing performance is better, fire resistance is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high speed mixer of the method for mixing of mouse bite preventing flame retardant type TPU CABLE MATERIALS of the present invention.
Wherein:
Mixing tank 1
First rotating shaft 2
First cutter 3, first rotating arm 3.1, first rotating knife 3.2
Second rotating shaft 4
Second cutter 5, second turning arm 5.1, second rotating knife 5.2
Clash into projection 6.
Detailed description of the invention
The present invention relates to a kind of method for mixing of mouse bite preventing flame retardant type TPU CABLE MATERIALS, adopt high speed mixer by the TPU(thermoplastic polyurethane of particle state) raw material A, liquid condition TCEP(tri-(2-carboxyethyl) phosphine) fire retardant B, liquid condition DMMP(dimethyl methyl phosphonate) fire retardant C, pulverulence APP(APP) fire retardant D, the zinc borate flame retardant E of pulverulence and the capsicim H of pulverulence mix according to a certain ratio.
Wherein each component proportion (weight proportion) is as follows:
TPU raw material A: 100 parts
TCEP fire retardant B:6 ~ 12 part
DMMP fire retardant C:8 ~ 12 part
APP fire retardant D:5 ~ 10 part
Zinc borate flame retardant E:5 ~ 10 part
Capsicim H:1 ~ 2 part, capsicim is the synthetic capsaicin (Vanillyl pelargonic amide) of Hangzhou Zheng Shan Chemical Co., Ltd..
See Fig. 1: above-mentioned high speed mixer comprises mixing tank 1, from protruding upward first rotating shaft 2 bottom it in described mixing tank 1, stretching out of first rotating shaft 2 is highly less than mixing tank 1 half highly, described first rotating shaft 2 is hollow shaft, the second rotating shaft 4 is provided with in described first rotating shaft 2, the first rotating shaft 2 upper end is stretched out at the top of the second rotating shaft 4, power resources can be that the lower end of the first rotating shaft 2 connects the first power set, the lower end of the second rotating shaft 4 connects the second power set, or first between rotating shaft 2 and the lower end of the second rotating shaft 4 by asynchronous gears meshing, then dynamic device connects one of the first rotating shaft 2 or second rotating shaft 4.
The middle part of described first rotating shaft 2 is to being outside equipped with the first cutter 3, described first cutter 3 comprises multiple first rotating knife, first rotating knife comprises the first rotating knife 3.2 being laterally connected in first rotating arm 3.1 on the first rotating shaft 2 and first rotating arm 3.1 outer end, the blade of described first rotating knife 3.2 has one, and the oblique outer top of this blade is arranged.
The top of described second rotating shaft 4 is to being outside equipped with the second cutter 5, described second cutter 5 comprises multiple second rotating knife, second rotating knife comprises the second rotating knife 5.2 being laterally connected in the second turning arm 5.1 on the second rotating shaft 4 and the second turning arm 5.1 outer end, the blade of described second rotating knife 5.2 has two, and these two blades respectively oblique outer top and outer lower side are arranged.
The length of described first rotating arm 3.1 is greater than the length of the second turning arm 5.1, preferred as one, the length of described first rotating arm 3.1 is 2/3 of mixing tank 1 internal diameter, the length of described second turning arm 5.1 is 1/3 of mixing tank 1 internal diameter, and the size of described second rotating knife 5.2 is the half of the first rotating knife 3.2 size.
The inwall lower semisection of described mixing tank 1 has been arranged circumferentially multiple shock projection 6, and clash into projection 6 cross section triangular in shape, a leg-of-mutton wedge angle points to the second cutter 5.
The operation principle of high speed mixer:
In batch mixing process, the blade of the second rotating knife is owing to arranging oblique outer top, the compound of blending tank Internal and external cycle can be made to rotate up cutting shed, first rotating knife also has an oblique outer top of blade to arrange, the compound of epimere inner ring in blending tank can be made to rotate up cutting shed, and the first rotating knife also has an oblique outer lower side of blade to arrange, the compound of hypomere inner ring in blending tank can be made to shed to outer lower side circumgyration incision, this partial blend is made to enter the rotating range of the second rotating knife, form a batch mixing circulating path, the compound shed to blending tank Internal and external cycle through the second rotating knife mixes at the epimere of blending tank with the compound that epimere inner ring in blending tank shed by the first rotating knife.
The working method of high speed mixer has two kinds, one is the first rotating shaft and the second rotating shaft asynchronous rotation in the same way, inside and outside batch mixing is made to form spiral in the same way, the spiral centrifugal power of mixing tank hypomere is strengthened, material can upwards be rolled more, another kind is the first rotating shaft and the reverse asynchronous rotation of the second rotating shaft, makes inside and outside batch mixing form reverse acting spiral, makes material epimere mixing in mixing tank more even.Above two kinds of rotation modes adjust according to actual conditions.
Be directed to flame retardant type TPU CABLE MATERIALS, the batch mixing step adopting this high speed mixer each component to be carried out mixing is as follows:
One, first compound F is prepared
1, first mixing tank be preheated to 35 DEG C and keep 2 minutes, the A of the particle state of 50% is put into mixing tank, preheating is carried out 3 minutes to A, making A reach 35 DEG C completely.
2, the B of the liquid condition of 70% is poured into, first the second cutter reverses 30 seconds with 60r/min, the liquid concentrating on middle part is scattered, avoid occurring caking phenomenon, then the first cutter rotates forward 60 seconds with 120r/min, and then the first cutter and the second cutter all rotate 2 minutes with 250r/min speed, wherein the first cutter rotates forward, second cutter reversion, makes B be evenly distributed on A particle surface, tentatively mixes.
3, the D of pulverulence of the 80% and H of the pulverulence of 70% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 8 minutes, in these 8 minutes, mixing tank temperature rises to 40 DEG C by original 35 DEG C.Powder materials D and H all surrounds and sticks to particle periphery, and with the shock projection high-speed impact on mixing tank inwall in particle and powder mixed process, temperature can make their molecular motions accelerate to 40 DEG C, and the combination of fire retardant and capsicim and particle is more firm.
4, the B of the liquid condition of residue 30% is poured again into, first the second cutter rotates forward 30 seconds with 100r/min, the liquid concentrating on middle part is scattered, avoid occurring caking phenomenon, then the first cutter rotates forward 60 seconds with 200r/min, then the first cutter and the second cutter all rotate 3 minutes with 350r/min speed, wherein the first cutter reversion, and the second cutter rotates forward.Allow liquid again be bonded on particle, powder is wrapped in the inside, also have the powder that absorption is remaining.
5, the D of pulverulence of the residue 20% and H of the pulverulence of 30% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 4 minutes, their compound molecular motions can be made to accelerate, and the combination of fire retardant and capsicim and particle is more firm.Form first compound F, release from charging basket.
Two, second batch compound G is prepared
1, first mixing tank be preheated to 35 DEG C and keep 2 minutes, the A of the particle state of residue 50% is put into mixing tank, preheating is carried out 3 minutes to A, making A reach 35 DEG C completely.
2, the C of the liquid condition of 70% is poured into, first the second cutter reverses 30 seconds with 60r/min, the liquid concentrating on middle part is scattered, avoid occurring caking phenomenon, then the first cutter rotates forward 60 seconds with 120r/min, and then the first cutter and the second cutter all rotate 2 minutes with 250r/min speed, wherein the first cutter rotates forward, second cutter reversion, makes B be evenly distributed on A particle surface, tentatively mixes.
3, the E of the pulverulence of 80% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 8 minutes, in these 8 minutes, mixing tank temperature rises to 40 DEG C by original 35 DEG C.Powder materials D all surrounds and sticks to particle periphery, and with the shock projection high-speed impact on mixing tank inwall in particle and powder mixed process, temperature can make their molecular motions accelerate to 40 DEG C, and the combination of fire retardant and particle is more firm.
4, the C of the liquid condition of residue 30% is poured again into, first the second cutter rotates forward 30 seconds with 100r/min, the liquid concentrating on middle part is scattered, avoid occurring caking phenomenon, then the first cutter rotates forward 60 seconds with 200r/min, then the first cutter and the second cutter all rotate 3 minutes with 350r/min speed, wherein the first cutter reversion, and the second cutter rotates forward.Allow liquid again be bonded on particle, powder is wrapped in the inside, also have the powder that absorption is remaining.
5, the E of the pulverulence of residue 20% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 4 minutes, their compound molecular motions can be made to accelerate, and the combination of fire retardant and particle is more firm.Form second batch compound G.
Three, first compound F mixes with second batch compound G
In mixing tank, pour first compound F into, carry out slight uniform stirring with second batch compound G, the first cutter and the second cutter first rotate 1 minute with 10r/min speed, and now the first cutter rotates forward, the second cutter reversion; Then the first cutter and the second cutter rotate 1 minute with 10r/min speed again, now the first cutter reversion, and the second cutter rotates forward.What finally complete flame retardant type TPU CABLE MATERIALS is mixed with operation.
Below enumerate three groups of comparative examples and Datum Argument carried out to above-mentioned method for mixing:
Comparative example one,
TPU raw material A: 100 parts
TCEP fire retardant B:6 part
DMMP fire retardant C:9 part
APP fire retardant D:5 part
Zinc borate flame retardant E:7 part
Capsicim H:1 part
The performance indications of the CABLE MATERIALS made after adopting conventional method for mixing to the raw material of said components proportioning respectively and the combustibility index of CABLE MATERIALS made after adopting method for mixing of the present invention are tested, testing standard adopts fire-protection rating UL-94 standard, the flame retardant rating of the CABLE MATERIALS made after adopting conventional method for mixing be V1(burn within 48 seconds, extinguish), the flame retardant rating of the CABLE MATERIALS made after adopting method for mixing of the present invention be V0(burn within 23 seconds, extinguish).
The performance indications of the CABLE MATERIALS made after adopting conventional method for mixing to the raw material of said components proportioning respectively and the mouse bite preventing performance indications of CABLE MATERIALS made after adopting method for mixing of the present invention are tested, testing standard adopts JB/T10696 rat to bite test, the cable protective grade that the CABLE MATERIALS made after adopting conventional method for mixing is made is remarkable (protection ratio is 0.92), and the cable protective grade that the CABLE MATERIALS made after adopting method for mixing of the present invention is made is better (protection ratio is 0.75).
Comparative example two,
TPU raw material A: 100 parts
TCEP fire retardant B:8 part
DMMP fire retardant C:12 part
APP fire retardant D:7 part
Zinc borate flame retardant E:5 part
Capsicim H:1.5 part
The performance indications of the CABLE MATERIALS made after adopting conventional method for mixing to the raw material of said components proportioning respectively and the combustibility index of CABLE MATERIALS made after adopting method for mixing of the present invention are tested, testing standard adopts fire-protection rating UL-94 standard, the flame retardant rating of the CABLE MATERIALS made after adopting conventional method for mixing be V1(burn within 53 seconds, extinguish), the flame retardant rating of the CABLE MATERIALS made after adopting method for mixing of the present invention be V0(burn within 27 seconds, extinguish).
The performance indications of the CABLE MATERIALS made after adopting conventional method for mixing to the raw material of said components proportioning respectively and the mouse bite preventing performance indications of CABLE MATERIALS made after adopting method for mixing of the present invention are tested, testing standard adopts JB/T10696 rat to bite test, the cable protective grade that the CABLE MATERIALS made after adopting conventional method for mixing is made is remarkable (protection ratio is 0.94), and the cable protective grade that the CABLE MATERIALS made after adopting method for mixing of the present invention is made is better (protection ratio is 0.81).
Comparative example three,
TPU raw material A: 100 parts
TCEP fire retardant B:12 part
DMMP fire retardant C:8 part
APP fire retardant D:10 part
Zinc borate flame retardant E:10 part
Capsicim H:2 part
The performance indications of the CABLE MATERIALS made after adopting conventional method for mixing to the raw material of said components proportioning respectively and the combustibility index of CABLE MATERIALS made after adopting method for mixing of the present invention are tested, testing standard adopts fire-protection rating UL-94 standard, the flame retardant rating of the CABLE MATERIALS made after adopting conventional method for mixing be V1(burn within 40 seconds, extinguish), the flame retardant rating of the CABLE MATERIALS made after adopting method for mixing of the present invention be V0(burn within 20 seconds, extinguish).
The performance indications of the CABLE MATERIALS made after adopting conventional method for mixing to the raw material of said components proportioning respectively and the mouse bite preventing performance indications of CABLE MATERIALS made after adopting method for mixing of the present invention are tested, testing standard adopts JB/T10696 rat to bite test, the cable protective grade that the CABLE MATERIALS made after adopting conventional method for mixing is made is remarkable (protection ratio is 0.95), and the cable protective grade that the CABLE MATERIALS made after adopting method for mixing of the present invention is made is better (protection ratio is 0.86).
Drawn by above-mentioned three groups of comparative examples, the flame retardant rating of the CABLE MATERIALS that method for mixing of the present invention is made is greater than the CABLE MATERIALS that conventional method for mixing is made, reason is that its mixing is more abundant, and what the molecular material making to have fire resistance can be full and uniform is covered with particle, eliminates flammable blind spot.The CABLE MATERIALS that the mouse bite preventing grade of the CABLE MATERIALS that method for mixing of the present invention is made is made higher than conventional method for mixing, reason is that its mixing is more abundant, and what the capsicim making to have mouse bite preventing performance can be full and uniform is covered with particle.
Claims (3)
1. a method for mixing for mouse bite preventing flame retardant type TPU CABLE MATERIALS, is characterized in that adopting high speed mixer the APP fire retardant D of the DMMP fire retardant C of the TCEP fire retardant B of the TPU raw material A of particle state, liquid condition, liquid condition, pulverulence, the zinc borate flame retardant E of pulverulence and the capsicim H of pulverulence to be mixed according to a certain ratio, above-mentioned high speed mixer comprises mixing tank (1), from protruding upward first rotating shaft (2) bottom it in described mixing tank (1), stretching out of first rotating shaft (2) is highly less than mixing tank (1) half highly, described first rotating shaft (2) is hollow shaft, the second rotating shaft (4) is provided with in described first rotating shaft (2), the first rotating shaft (2) upper end is stretched out at the top of the second rotating shaft (4), the middle part of described first rotating shaft (2) is to being outside equipped with the first cutter (3), described first cutter (3) comprises multiple first rotating knife, first rotating knife comprises the first rotating knife (3.2) being laterally connected in first rotating arm (3.1) on the first rotating shaft (2) and first rotating arm (3.1) outer end, the blade of described first rotating knife (3.2) has one, the oblique outer top of this blade is arranged, the top of described second rotating shaft (4) is to being outside equipped with the second cutter (5), described second cutter (5) comprises multiple second rotating knife, second rotating knife comprises the second rotating knife (5.2) being laterally connected in the second turning arm (5.1) on the second rotating shaft (4) and the second turning arm (5.1) outer end, the blade of described second rotating knife (5.2) has two, these two blades respectively oblique outer top and outer lower side are arranged,
Above-mentioned each component proportion (weight proportion) is as follows:
TPU raw material A: 100 parts
TCEP fire retardant B:6 ~ 12 part
DMMP fire retardant C:8 ~ 12 part
APP fire retardant D:5 ~ 10 part
Zinc borate flame retardant E:5 ~ 10 part
Capsicim H:1 ~ 2 part
The batch mixing step adopting this high speed mixer each component to be carried out mixing is as follows:
One, first compound F is prepared
1, first mixing tank be preheated to 35 DEG C and keep 2 minutes, the A of the particle state of 50% is put into mixing tank, preheating is carried out 3 minutes to A, making A reach 35 DEG C completely;
2, the B of the liquid condition of 70% is poured into, first the second cutter reverses 30 seconds with 60r/min, and then the first cutter rotates forward 60 seconds with 120r/min, and then the first cutter and the second cutter all rotate 2 minutes with 250r/min speed, wherein the first cutter rotates forward, the second cutter reversion;
3, the D of pulverulence of the 80% and H of the pulverulence of 70% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 8 minutes, in these 8 minutes, mixing tank temperature rises to 40 DEG C by original 35 DEG C;
4, the B of the liquid condition of residue 30% is poured again into, first the second cutter rotates forward 30 seconds with 100r/min, and then the first cutter rotates forward 60 seconds with 200r/min, and then the first cutter and the second cutter all rotate 3 minutes with 350r/min speed, wherein the first cutter reversion, the second cutter rotates forward;
5, the D of pulverulence of the residue 20% and H of the pulverulence of 30% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 4 minutes, form first compound F, release from charging basket;
Two, second batch compound G is prepared
1, first mixing tank be preheated to 35 DEG C and keep 2 minutes, the A of the particle state of residue 50% is put into mixing tank, preheating is carried out 3 minutes to A, making A reach 35 DEG C completely;
2, the C of the liquid condition of 70% is poured into, first the second cutter reverses 30 seconds with 60r/min, and then the first cutter rotates forward 60 seconds with 120r/min, and then the first cutter and the second cutter all rotate 2 minutes with 250r/min speed, wherein the first cutter rotates forward, the second cutter reversion;
3, the E of the pulverulence of 80% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, wherein the first cutter rotates forward, second cutter reversion, and then rotating speed is promoted to 350r/min rotates 8 minutes, in these 8 minutes, mixing tank temperature rises to 40 DEG C by original 35 DEG C;
4, the C of the liquid condition of residue 30% is poured again into, first the second cutter rotates forward 30 seconds with 100r/min, and then the first cutter rotates forward 60 seconds with 200r/min, and then the first cutter and the second cutter all rotate 3 minutes with 350r/min speed, wherein the first cutter reversion, the second cutter rotates forward;
5, the E of the pulverulence of residue 20% is added again, first cutter and the second cutter first rotate 1 minute with 150r/min speed, and wherein the first cutter rotates forward, the second cutter reversion, and then rotating speed is promoted to 350r/min rotates 4 minutes, form second batch compound G;
Three, first compound F mixes with second batch compound G
In mixing tank, pour first compound F into, carry out slight uniform stirring with second batch compound G, the first cutter and the second cutter first rotate 1 minute with 10r/min speed, and now the first cutter rotates forward, the second cutter reversion; Then the first cutter and the second cutter rotate 1 minute with 10r/min speed again, now the first cutter reversion, and the second cutter rotates forward.
2. the method for mixing of a kind of mouse bite preventing flame retardant type TPU CABLE MATERIALS described in 1 is wanted according to right, it is characterized in that the length of described first rotating arm (3.1) is greater than the length of the second turning arm (5.1), the size of described second rotating knife (5.2) is the half of the first rotating knife (3.2) size.
3. the method for mixing of a kind of mouse bite preventing flame retardant type TPU CABLE MATERIALS described in 1 is wanted according to right, it is characterized in that the inwall lower semisection of described mixing tank (1) has been arranged circumferentially multiple shock projection (6), clash into projection (6) cross section triangular in shape, a leg-of-mutton wedge angle points to the second cutter (5).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2928452Y (en) * | 2006-07-21 | 2007-08-01 | 鲍国平 | Rubber power plasticizing device |
| CN101950623A (en) * | 2010-09-08 | 2011-01-19 | 沈阳天荣电缆材料有限公司 | Semiconductive flame retardant belt for cables and manufacture method thereof |
| CN104339616A (en) * | 2014-10-31 | 2015-02-11 | 四川汇利实业有限公司 | Mixing device for producing high-performance PE (polyethylene) membrane |
| CN104526899A (en) * | 2014-12-26 | 2015-04-22 | 天津华庆百胜塑业有限公司 | Material mixing device |
-
2015
- 2015-05-16 CN CN201510248780.6A patent/CN104890135A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2928452Y (en) * | 2006-07-21 | 2007-08-01 | 鲍国平 | Rubber power plasticizing device |
| CN101950623A (en) * | 2010-09-08 | 2011-01-19 | 沈阳天荣电缆材料有限公司 | Semiconductive flame retardant belt for cables and manufacture method thereof |
| CN104339616A (en) * | 2014-10-31 | 2015-02-11 | 四川汇利实业有限公司 | Mixing device for producing high-performance PE (polyethylene) membrane |
| CN104526899A (en) * | 2014-12-26 | 2015-04-22 | 天津华庆百胜塑业有限公司 | Material mixing device |
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Application publication date: 20150909 |