CN107090174A - A kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable - Google Patents
A kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable Download PDFInfo
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- CN107090174A CN107090174A CN201710450800.7A CN201710450800A CN107090174A CN 107090174 A CN107090174 A CN 107090174A CN 201710450800 A CN201710450800 A CN 201710450800A CN 107090174 A CN107090174 A CN 107090174A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/06—Polyurethanes from polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/44—Measuring, controlling or regulating
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
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- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable, belong to polyurethane glue-line preparing technical field.The preparation method of the casting type polyurethane composite layer of the anti-skid wearable of the present invention, it is 4 in mass ratio by matrix glue-line base polyurethane prepolymer for use as and filling polyurethane particles to be:1‑5:1 mixing, then formed through cast, vulcanization, demoulding processing, gained composite layer, including matrix polyurethane glue-line and filling polyurethane particles in the inner are prepared using the method for the present invention, above-mentioned matrix film surface has some polyurethanes particle to expose, and glue-line generally flat configuration.The anti-skidding and anti-wear performance of polyurethane composite gel layer can be significantly improved using the method for the present invention, so as to meet use requirement of the S types marine pipe laying barge to tensioner crawler plate and conveying roller, be conducive to improving the effective utilization of tensioner crawler plate and conveying roller, extend its service life.
Description
Technical field
The invention belongs to polyurethane glue-line preparing technical field, in particular, it is related to a kind of with anti-skid wearable effectiveness
Casting type polyurethane composite layer preparation method.
Background technology
Polyurethane elastomer has the advantages that many protrusions such as high intensity, high resiliency, high elongation rate, high-wearing feature, wide
The general every field applied to national economy, wherein, casting type polyurethane elastomer is one kind most widely used, that yield is maximum.
In recent years, continuing to develop with national marine engineering, application of the polyurethane elastomer in ocean engineering is more and more extensive, together
When requirement to its performance also more and more higher.
As a part indispensable in offshore engineering, the laying of submerged pipeline and the research of equipment special, one
It is directly one of primary study content in Offshore Engineering field.S type marine pipe laying barges are the special dresses of submerged pipeline laying
Standby, many special equipment auxiliary such as tensioner crawler plates on pipe laying barge, conveying roller etc. is all prepared with polyurethane elastomer.
The quality and service life of these special equipment auxiliaries largely effect on the process of whole piping work.
At present, existing S types marine pipe laying barge is easy in use with polyurethane tensioner crawler plate and conveying roller
There is problems with：(1) excessive wear, usage cycles are short, add parts replacement frequency, easily delay work；(2) easily skid, it is special
Not in the smooth pipeline process in laying surface, these problems will bring huge economic loss to whole piping work.For example
During pipe laying, if there is skidding, whole piping work will stop work, and one day economic loss of stopping work is up to millions of, if
It has and has set pipeline and the related accident such as fracture, soak, loss will be more serious.
Such as, Chinese Patent Application No. is 200810196268.1, the applying date：In August, 2008 application case of 23 days is disclosed
A kind of polyurethane roller, the polyurethane roller of this application case includes roller core and concentric and is coated on the poly- of roller core foreign aid surface
Urethane layer, its roller core includes tubulose iron core and is coated on the cast aluminium layer of core exterior surface.This application case to a certain extent can
Enough extend the service life of polyurethane roller, but the wear-resisting of the polyurethane roller, non-skid property still can not effectively meet S types sea
The use requirement of foreign pipe laying barge.
And for example, Chinese Patent Application No. for 201310082538.7 application case disclose a kind of engineering machinery creeper tread and
Its preparation method, the material of the engineering machinery creeper tread of this application case using the constituent of percentage by weight as：C：0.25~
0.30%, Si：0.12~0.17%, Ti：0.2~0.23%, Al：0.07~0.09%, Mn：2~2.5%, W：1.7~
2.0%, B：≤ 0.0035%, P：≤ 0.025%, S：≤ 0.025%, surplus is Fe, and the preparation method of above-mentioned creeper tread is：Electricity
Stove steel-making, Fruit storage, molten steel are come out of the stove, cast article, and casting is incubated 2~3 hours when being cooled to 1230~1250 DEG C, so
After be cooled to 930~950 DEG C of quenchings, quickly cooling after 360 DEG C of tempering is stand-by.This application case is mainly by engineering machinery creeper tread
Design is optimized with the component of material, so that improving the intensity of creeper tread, toughness and wearability etc. to a certain extent makes
With performance, but the non-skid property of gained creeper tread is still relatively poor.
The content of the invention
1. the invention technical problem to be solved
Present invention aims to overcome that existing S types marine pipe laying barge polyurethane tensioner crawler plate and conveying roller make
Abrasion and skidding not enough easily occurred during, and there is provided a kind of casting type polyurethane composite layer of anti-skid wearable
Preparation method.The anti-skidding and anti-wear performance of polyurethane composite gel layer can be significantly improved using the method for the present invention, so that full
Sufficient S types marine pipe laying barge is conducive to improving tensioner crawler plate and defeated to the use requirement of tensioner crawler plate and conveying roller
The effective utilization of roller is sent, extends its service life.
2. technical scheme
To reach above-mentioned purpose, the technical scheme that the present invention is provided is：
A kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable of the present invention, the composite layer includes
The polyurethane particles of matrix polyurethane glue-line and filling in the inner, above-mentioned matrix film surface has some polyurethanes particle to expose,
And glue-line generally flat configuration.
Further, the hardness of the polyurethane composite gel layer is Shao's A 80-90 degree, and the particle diameter of polyurethane particles is
12-18 mesh.
Further, it is 4 in mass ratio by matrix glue-line base polyurethane prepolymer for use as and filling polyurethane particles:1-5:
1 mixing, then forms polyurethane composite gel layer through cast, vulcanization, demoulding processing.
Further, casting machine is first used after matrix glue-line is mixed with base polyurethane prepolymer for use as with filling with polyurethane particles
Preheated, deaeration processing, then add crosslinking agent poured into a mould, through cast, vulcanization, the demoulding handle after post-processed again and
Car mill processing, that is, obtain the polyurethane composite gel layer of the present invention.
Further, described matrix glue-line base polyurethane prepolymer for use as is by PEPA and the isocyanide of diphenyl methane two
Acid esters is constituted, and the mixed proportion of PEPA and methyl diphenylene diisocyanate is 4:1-5:1.
Further, the filling is according to mixed with PPG, diisocyanate and filler with polyurethane particles
Composition and division in a proportion example is 100：(30-40)：(15-20) is made.
Further, the specific preparation process of the filling polyurethane particles is as follows：
1) synthesis of polyurethane particles performed polymer：It is pre- using PPG, diisocyanate and filler as Material synthesis
Aggressiveness；
2) crosslinking agent is added, roller is poured into, adhesive tape is processed into through rubber roll post processing rear car；
3) adhesive tape is subjected to broken granulation processing, the particle of regulation particle diameter is chosen in then sieving, and is cleaned, and dries,
Produce filling polyurethane particles.
Further, described diisocyanate uses toluene di-isocyanate(TDI) or methyl diphenylene diisocyanate,
Described filler selects silica, calcium carbonate, white carbon, talcum powder or carborundum.
Further, crosslinking agent used selects 4,4'- diaminourea -3,3'- bis- in the polyurethane particles casting process
Chlorodiphenyl methane, dimethythiotoluene diamine, 1,4- butanediols or quinhydrones-bis- (beta-hydroxyethyls) ether；Shao's A hardness of the adhesive tape
For 85-95 degree, density is 1.22-1.25g/cm3, thickness is 2-3mm.
3. beneficial effect
The technical scheme provided using the present invention, compared with prior art, with following remarkable result：
(1) the casting type polyurethane composite layer of a kind of anti-skid wearable of the invention, including matrix polyurethane glue-line and fill out
Polyurethane particles in the inner are filled, above-mentioned matrix film surface has some polyurethanes particle to expose, and the generally smooth knot of glue-line
Structure, the anti-skidding and anti-wear performance of the composite layer preferably, disclosure satisfy that tensioner used for ocean pipe laying ship creeper tread, conveying roller etc.
Product extends its service life to anti-skidding and anti-wear performance requirement.
(2) preparation method of the casting type polyurethane composite layer of a kind of anti-skid wearable of the invention, using the present invention's
Preparation method can significantly improve the structure distribution of composite layer, and gained composite layer has relatively good wearability and high surface
Coefficient of friction, can increase the friction with pipeline surface, it is to avoid the skidding during pipe laying, and glue-line will not be with making
With abrasion, non-skid property is damaged, so as to increase the service life of product.This composite layer is applied to of marine pipe laying barge
The products such as tight device creeper tread, conveying roller, have reached the practical function of efficient energy-saving in actual pipelaying work.
(3) preparation method of the casting type polyurethane composite layer of a kind of anti-skid wearable of the invention, by poly- to matrix
The mixing ratio of the component of urethane glue-line and polyurethane particles performed polymer, matrix polyurethane glue-line performed polymer and polyurethane particles
Example and other preparation technology parameters optimize design, so that the synthesis for further increasing gained polyurethane composite gel layer is used
Performance, makes its performance reach best fit.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the casting type polyurethane composite layer of the anti-skid wearable of the present invention；
Fig. 2 is the structural representation of existing gear pump；
Fig. 3 is the structural representation of screw pump rotor；
Fig. 4 is the left view schematic diagram of rotor in Fig. 3；
Fig. 5 is the structural representation of screw pump stator；
Fig. 6 is the left view schematic diagram of stator in Fig. 5.
In figure：1st, matrix polyurethane glue-line；2nd, polyurethane particles；3rd, driving wheel；4th, driven pulley；5th, rotor；6th, stator.
Embodiment
To further appreciate that present disclosure, in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
The preparation method of the casting type polyurethane composite layer of the above-mentioned anti-skid wearable of the present embodiment, its specific steps is such as
Under：
(1) preparation of polyurethane particles：Using PPG N-204, N-210 (Zhong Mountain chemical industry), white carbon ZQ356
(Zhuzhou prosperity chemical industry) is 100 according to mixed proportion with toluene di-isocyanate(TDI) (TDI-100, French Li Ande)：40：20 synthesis
Base polyurethane prepolymer for use as, adds the crosslinking agent 4 of equivalent 95% (i.e. the addition of crosslinking agent is the 95% of performed polymer quality), 4'- bis-
Amino -3,3'- dichloro diphenyl methane MOCA (worshipping suitable in Hangzhou), roller is poured into through casting machine, and rubber roll post processing rear car is processed into thickness
The adhesive tape for 3mm is spent, gained adhesive tape hardness is Shao's A95 degree, and density is 1.25g/cm3.Adhesive tape passes through crusher in crushing and granulation
Processing, the irregular granules for producing 12-18 mesh are sieved by three-level, are then cleaned, and are dried, standby.
(2) preparation of polyurethane composite gel layer：By PEPA 218 (Qingdao Sunyu field chemical industry) and diphenyl methane two
The performed polymer and the polyurethane particles that prepare of isocyanates MDI (Bayer) synthesis are according to 5：1 ratio mixing input Special pouring
In note machine, crosslinking agent BDO BDO (west of Gansu Province chemical industry) is added after preheated, deaeration processing, is poured into a mould, taken off using common process
Mould, post processing, car mill processing produces composite polyurethane layer.
Above-mentioned Special casting machine is different from conventional polyurethane casting machine, and its delivery pump and mixing head, can be with by transformation
Measure by large-size particles and accurately.Conventional casting machine use gear pump (as shown in Fig. 2 including driving wheel 3 and from
Driving wheel 4), it can transport and accurately measure highly viscous liquid, but cannot for the sizing material with solid particle in the present invention
Use.Therefore the theory of screw pump (as shown in figures 3 to 6, including rotor 5 and stator 6) is changed for casting machine delivery pump
Make, so as to accurate sizing material of the metering with solid particle.
As shown in figure 1, polyurethane composite gel layer includes matrix polyurethane glue-line 1 and filled in the inner obtained by the present embodiment
Polyurethane particles 2, glue-line generally flat configuration, and matrix film surface has some polyurethanes particle to expose, so as to aobvious
The wear-resisting and non-skid property for improving composite layer is write, uses it for making large-scale pipe laying barge polyurethane tensioner crawler plate, can
Effectively to overcome the shortcomings of that excessive wear and skidding easily occur for existing polyurethane tensioner crawler plate, tensioning substantially prolongs
The service life of device creeper tread, reduces economic loss.The hardness of polyurethane composite gel layer is Shao's A90 degree obtained by the present embodiment,
Thickness is 35mm.
Embodiment 2
A kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable of the present embodiment, its specific steps is such as
Under：
(1) preparation of polyurethane particles：Using PPG N-204, N-210 (Zhong Mountain chemical industry), calcium carbonate BZ-2600
(Foshan suddenly shakes chemical industry) is 100 according to mixed proportion with MDI (Bayer)：30：15 synthesis of polyurethane performed polymers, add equivalent 93%
Crosslinking agent BDO BDO (west of Gansu Province chemical industry), pour into roller through casting machine, rubber roll post processing rear car is processed into thickness and is
2mm adhesive tape, gained adhesive tape hardness is Shao's A90 degree, and density is 1.24g/cm3.Adhesive tape passes through crusher in crushing, is sieved by three-level
Point, the irregular granules of 12-18 mesh are produced, are then cleaned, are dried, it is standby.
(2) preparation of polyurethane composite gel layer：By PEPA 218 (Qingdao Sunyu field chemical industry) and MDI (Yantai ten thousand
China) synthesis performed polymer and the polyurethane particles that prepare according to 4：In 1 ratio input Special casting machine, preheated, deaeration
Crosslinking agent BDO BDO (west of Gansu Province chemical industry) is added after processing, is poured into a mould using common process, is stripped, post processing, car mill adds
Work, produces polyurethane composite gel layer, and the anti-skidding and anti-wear performance of polyurethane composite gel layer preferably, disclosure satisfy that obtained by the present embodiment
The use requirement of large-scale pipe laying barge polyurethane conveying roller, its hardness is Shao's A85 degree, and thickness is 25mm, and film surface is smooth.
Embodiment 3
A kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable of the present embodiment, detailed process is as follows：
(1) preparation of polyurethane particles：Using PPG N-210 (Zhong Mountain chemical industry), superfine talcum powder (Shijiazhuang rock
Peak) with TDI-100 (Bayer) according to mixed proportion be 100：37：18 synthesis of polyurethane performed polymers, add the crosslinking of equivalent 96%
Agent dimethythiotoluene diamine E300 (the honest energy-saving material in Zibo), roller, Vehicle Processing after rubber roll post processing are poured into through casting machine
Into the adhesive tape that thickness is 2.5mm, gained adhesive tape hardness is Shao's A85 degree, and density is 1.22g/cm3.Adhesive tape passes through crusher in crushing,
Sieved by three-level, produce the irregular granules of 12-18 mesh, then cleaned, dried, it is standby.
(2) preparation of polyurethane composite bed：PEPA 218 (Qingdao Sunyu field chemical industry) and MDI (Bayer) are synthesized
Performed polymer and the polyurethane particles that prepare according to 4：In 1 ratio input Special casting machine, add after preheated, deaeration processing
Enter crosslinking agent BDO BDO (west of Gansu Province chemical industry), poured into a mould using common process, is stripped, post processing, car mill processing is produced poly-
Urethane skid resistant course, hardness is Shao's A80 degree, and thickness is 45mm, and film surface is smooth.
Embodiment 4
A kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable of the present embodiment, detailed process is as follows：
(1) preparation of polyurethane particles：Using PPG N-210 (Zhong Mountain chemical industry), silica and TDI-100
(Bayer) is 100 according to mixed proportion：40：15 synthesis of polyurethane performed polymers, add the crosslinking agent dimethyl sulphur-based first of equivalent 94%
Phenylenediamine E300 (the honest energy-saving material in Zibo), roller is poured into through casting machine, and rubber roll post processing rear car is processed into thickness for 2.7mm
Adhesive tape, gained adhesive tape hardness be Shao's A88 degree, density is 1.23g/cm3.Adhesive tape passes through crusher in crushing, is sieved by three-level,
The irregular granules of 12-18 mesh are produced, are then cleaned, are dried, it is standby.
(2) preparation of polyurethane composite bed：PEPA 218 (Qingdao Sunyu field chemical industry) and MDI (Bayer) are synthesized
Performed polymer and the polyurethane particles that prepare according to 5：In 1 ratio input Special casting machine, add after preheated, deaeration processing
Enter crosslinking agent BDO BDO (west of Gansu Province chemical industry), poured into a mould using common process, is stripped, post processing, car mill processing is produced poly-
Urethane skid resistant course, hardness is Shao's A85 degree, and thickness is 43mm, and film surface is smooth.
Embodiment 5
A kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable of the present embodiment, detailed process is as follows：
(1) preparation of polyurethane particles：Using PPG N-210 (Zhong Mountain chemical industry), carborundum and MDI are according to mixing
Ratio is 100：30：20 synthesis of polyurethane performed polymers, add crosslinking agent quinhydrones-bis- (beta-hydroxyethyls) ether of equivalent 95%
(HQEE) roller, is poured into through casting machine, rubber roll post processing rear car is processed into the adhesive tape that thickness is 2.5mm, and gained adhesive tape hardness is
Shao's A92 degree, density is 1.22g/cm3.Adhesive tape passes through crusher in crushing, is sieved by three-level, produces random of 12-18 purposes
Grain, is then cleaned, and is dried, standby.
(2) preparation of polyurethane composite bed：PEPA 218 (Qingdao Sunyu field chemical industry) and MDI (Bayer) are synthesized
Performed polymer and the polyurethane particles that prepare according to 4：In 1 ratio input Special casting machine, add after preheated, deaeration processing
Enter crosslinking agent BDO BDO (west of Gansu Province chemical industry), poured into a mould using common process, is stripped, post processing, car mill processing is produced poly-
Urethane skid resistant course, hardness is Shao's A87 degree, and thickness is 40mm, and film surface is smooth.
In summary, gained polyurethane composite gel layer is prepared including matrix polyurethane glue-line using the method for the present invention and filled out
Polyurethane particles in the inner are filled, its inner urethane even particle distribution, and matrix film surface has some polyurethanes particle
Expose, so as to significantly improve the anti-wear performance and non-skid property of polyurethane composite gel layer, the mantle friction system of composite layer
Number is higher, is suitable for use in the products such as tensioner crawler plate, the conveying roller of making marine pipe laying barge, and make gained stretcher
Creeper tread, roller are arranged on different marine pipe laying barges, and service life is long, and skidproof effect is good, obtains producer very good
Evaluation.In addition, inventor is also by lot of experiments, to the group of matrix polyurethane glue-line and polyurethane particles performed polymer
Divide, matrix polyurethane glue-line is optimized and set with performed polymer and the mixed proportion of polyurethane particles and other preparation technology parameters
Meter, so as to further increase the synthesis performance of gained polyurethane composite gel layer, makes its performance reach best fit.
Claims (9)
1. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable, it is characterised in that：The composite layer bag
The polyurethane particles (2) of matrix polyurethane glue-line (1) and filling in the inner are included, above-mentioned matrix film surface there are some polyurethanes
Grain exposes, and glue-line generally flat configuration.
2. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable according to claim 1, its feature
It is：The hardness of the polyurethane composite gel layer is Shao's A80-90 degree, and the particle diameter of polyurethane particles (2) is 12-18 mesh.
3. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable according to claim 1, its feature
It is：It is 4 in mass ratio by matrix glue-line base polyurethane prepolymer for use as and filling polyurethane particles (2):1-5:1 mixing, then
Polyurethane composite gel layer is formed through cast, vulcanization, demoulding processing.
4. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable according to claim 3, its feature
It is：Matrix glue-line is first preheated using casting machine after being mixed with base polyurethane prepolymer for use as with filling with polyurethane particles (2), taken off
Bubble processing, the crosslinking agent then added is poured into a mould, and is post-processed again after cast, vulcanization, demoulding processing and car mill is processed,
Obtain the polyurethane composite gel layer of the present invention.
5. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable according to claim 3 or 4, it is special
Levy and be：Described matrix glue-line is made up of with base polyurethane prepolymer for use as PEPA and methyl diphenylene diisocyanate, and
The mixed proportion of PEPA and methyl diphenylene diisocyanate is 4:1-5:1.
6. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable according to claim 3, its feature
It is：It is described filling with polyurethane particles (2) be using PPG, diisocyanate and filler according to mixed proportion as 100：
(30-40)：(15-20) is made.
7. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable according to claim 6, its feature
It is, the filling is as follows with the specific preparation process of polyurethane particles (2)：
1) synthesis of polyurethane particles (2) performed polymer：Using PPG, diisocyanate and filler as Material synthesis pre-polymerization
Body；
2) crosslinking agent is added, roller is poured into, adhesive tape is processed into through rubber roll post processing rear car；
3) adhesive tape is subjected to broken granulation processing, the particle of regulation particle diameter is chosen in then sieving, and is cleaned, and dries, produces
Filling polyurethane particles (2).
8. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable according to claim 6 or 7, it is special
Levy and be：Described diisocyanate uses toluene di-isocyanate(TDI) or methyl diphenylene diisocyanate, described filler choosing
With silica, calcium carbonate, white carbon, talcum powder or carborundum.
9. a kind of preparation method of the casting type polyurethane composite layer of anti-skid wearable according to claim 8, its feature
It is：In polyurethane particles (2) casting process crosslinking agent used from 4,4'- diaminourea -3,3'- dichloro diphenyl methanes,
Dimethythiotoluene diamine, 1,4- butanediols or quinhydrones-bis- (beta-hydroxyethyls) ether；Shao A hardness of the adhesive tape is 85-95 degree,
Density is 1.22-1.25g/cm3, thickness is 2-3mm.
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| CN108976776A (en) * | 2018-08-02 | 2018-12-11 | 衢州吉成新材料股份有限公司 | A kind of pipeline material, concrete delivery pipe and preparation method thereof |
| CN109703089A (en) * | 2019-01-31 | 2019-05-03 | 东莞市兴茂橡塑科技有限公司 | A kind of cast-type polyurethane transparent sole manufacture craft |
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