CN103214648B - Wet type polyurethane joint material for thermal insulation for seabed oil and gas pipeline interface and preparation method of wet type polyurethane joint material - Google Patents
Wet type polyurethane joint material for thermal insulation for seabed oil and gas pipeline interface and preparation method of wet type polyurethane joint material Download PDFInfo
- Publication number
- CN103214648B CN103214648B CN201310159748.1A CN201310159748A CN103214648B CN 103214648 B CN103214648 B CN 103214648B CN 201310159748 A CN201310159748 A CN 201310159748A CN 103214648 B CN103214648 B CN 103214648B
- Authority
- CN
- China
- Prior art keywords
- component
- urethane
- gusset material
- polyether glycol
- glycol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a wet type polyurethane joint material for thermal insulation for a seabed oil and gas pipeline interface. The polyurethane joint material comprises a component A and a component B, wherein the component A comprises polyether polyol, polysiloxane polyhydric alcohol, a chain extender and a catalyst; the component B is modified isocyanate or a derivate of the modified isocyanate; the component B comprises 10 to 30% of NCO (Isocyanate Group) based on mass percent; and the mass ratio of the component A to the component B is 0.25 to 4:1. The wet type polyurethane joint material has the beneficial effects as shown in follows: 1, the adopted catalyst is mercury-free, environment-friendly, long in flowing period and fast to cure in later period; 2, the production cycle is short, a die is at low temperature, and the offshore in-situ casting work can be conveniently carried out; and 3, a product is a silicon-containing material and has relatively low water absorption and is resistant to seawater corrosion.
Description
Technical field
The present invention relates to a kind of sea-bottom oil-gas pipeline interface wet type thermal insulation urethane gusset material and preparation method thereof.
Background technology
In ocean energy resources especially oil, gas extraction, the gas hydrate caused for preventing the lower low temperature in sea and the formation of oil wax and blocking pipe, the generation caused the accident, pipe-line must adopt the pipeline with certain thickness heat preservation protective layer to carry, and the protection of this type of pipe main body, insulation and preservative coat complete by specific equipment is prefabricated in factory, the quality comparation of its protective layer and insulation antiseptic layer is reliable.Therefore, in ocean scene process of deployment, the protection of interface is then the key ensureing submerged pipeline safe operation with filling.
The filling of early stage submarine heat insulation pipeline interface, main employing bitumastic+sandstone mixing pouring technology, shape in process and need to be heated to more than 200 DEG C, such meeting easily causes preservative coat to burn or burning, and construction environment smog is large, produce obnoxious flavour, contaminate environment, seawater and marine organisms are also constituted a threat to, and opening-supplementing material intensity low (1.5 ~ 5MPa), affect the integral heat insulation effect of pipeline, be difficult to the safe operation ensureing submerged pipeline, prohibit the use in marine site, local at present.
At present, external widespread use be urethane joint technique, but this joint technique (especially the preparation of joint material) only has the external several companies of minority to grasp.The domestic interfacing about pipeline mainly concentrates on the corrosion-resistant thermal insulation structure design of pipe joint, as 200520103653.9,200520026468.4.About submerged pipeline in-situ interface non-foamed polyure-thane gusset material preparation disclosed in patent less, patent 201210258634.8 discloses a kind of full water open-cell rigid polyurethane foams of submarine pipe joint, urethane foam thermal conductivity is lower, high insulating effect, but rate of closed hole does not reach 100%, cause material water-intake rate high, ultimate compression strength is low, is not suitable for the security application of deep-sea wet type thermal insulation pipe joint.
Summary of the invention
The object of this invention is to provide a kind of sea-bottom oil-gas pipeline interface wet type thermal insulation urethane gusset material and preparation method thereof.
A kind of sea-bottom oil-gas pipeline interface wet type thermal insulation urethane gusset material provided by the present invention, it is made up of component A and B component;
Described component A is made up of polyether glycol, polysiloxane polyhydric alcohol, chainextender and catalyzer;
Described B component is modified isocyanate or derivatives thereof, and in described B component, the mass percentage of NCO is 10 ~ 30%;
The mass ratio of described component A and described B component is 0.25 ~ 4:1.
In above-mentioned urethane gusset material, in described B component, the mass percentage of NCO can be 19%;
The mass ratio of described component A and described B component specifically can be 0.77 ~ 0.85:1,0.77:1,0.78:1 or 0.85:1.
In above-mentioned urethane gusset material, in described component A, the mass ratio of described polyether glycol, described polysiloxane polyhydric alcohol, described chainextender and described catalyzer can be 30 ~ 130:2 ~ 30:5 ~ 30:0.001 ~ 4, specifically can be 280 ~ 332.5:17.5 ~ 52.5:79.03 ~ 116.91:2.85, as 297.5:52.5:85.17:2.85,332.5:17.5:83.17:2.85,280:70:82.77:2.85,332.5:17.5:116.91:2.85 or 315:35:79:2.85.
In above-mentioned urethane gusset material, described polyether glycol is made up of polyether glycol I and polyether glycol I I,
The hydroxyl value of described polyether glycol I is 8 ~ 100mgKOH/g, and as 50 ~ 60mgKOH/g, the hydroxyl value of described polyether glycol I I is 100 ~ 200mgKOH/g, as 160 ~ 175mgKOH/g;
The mass ratio of described polyether glycol I and described polyether glycol I I is 20 ~ 80:20 ~ 55, specifically can be 20 ~ 42:20 ~ 24.5,35.5:21,42:24.5,1:1 or 38.5:24.5.
In above-mentioned urethane gusset material, described polyether glycol I can be in PTMG (PTMEG), polypropylene glycol (PPG), polyoxyethylene glycol (PEG) and their copolyether one or more;
Described polyether glycol I I can be plam oil polyvalent alcohol, soybean oil base polyol, castor oil-base polyvalent alcohol, hydroxy-terminated polybutadienes polyvalent alcohol and with 3 functionality little point of alcohol or hydramine or 4 functionality small molecular alcohols be initiator, one or more in the ethylene oxide/propylene oxide polyether glycol that is polymerization single polymerization monomer.
In above-mentioned urethane gusset material, the hydroxyl value of described polysiloxane polyhydric alcohol is 45 ~ 100mgKOH/g, as 40 ~ 50mgKOH/g;
The structural formula of described polysiloxane polyhydric alcohol such as formula shown in I,
Formula I
Wherein, n=1 ~ 100; R
1 ~ 6for the straight or branched alkane of carbonatoms 1 ~ 4, and identical or different; R
7, 8for hydroxyl, amino, epoxy group(ing) or unsaturated double-bond, and identical or different.
In above-mentioned urethane gusset material, described chainextender can be 1,4-butyleneglycol (BDO), ethylene glycol, propylene glycol, glycol ether, glycerol, TriMethylolPropane(TMP), 1,4-cyclohexanediol, Hydrogenated Bisphenol A, 1,6-hexylene glycol, diethanolamine, trolamine, methyldiethanolamine, diethyl toluene diamine, 3,5-dimethythiotoluene diamine, 3, two (2-hydroxyethyl) the ether or derivatives thereof of chloro-4, the 4'-diaminodiphenyl-methane or derivatives thereofs of 3'-bis-, Resorcinol, two (2-hydroxyethyl) the ether or derivatives thereof of Resorcinol.
In above-mentioned urethane gusset material, described catalyzer can be organic amine catalyzer or its salt (as triethylene diamine (TEDA) and organic salt, two (dimethylaminoethyl) ether and organic salt thereof), 1,8-diazabicyclo (5,4,0) undecylene-7 or its organic salt (as phenolate, 2-ethylhexoate or formate) or organometallic catalysts (as organotin, organo-bismuth, organic zinc, acetylacetonate nickel or methyl ethyl diketone zirconium), as the catalyzer CT-2X of Aladdin reagent company.
In above-mentioned urethane gusset material, described B component can be aliphatic isocyanates, alicyclic isocyanate, aromatic isocyanate, polymeric polyisocyanate or Isocyanate prepolymers body, as the Suprasec series that Huntsman Polyurethanes company limited produces, wherein NCO% is 19%, is mass content;
Described aromatic isocyanate specifically can be diphenylmethanediisocyanate or other liquefaction modified MDI, containing modified structures such as uretonimine, biuret, allophanate, isocyanuric acid ester, carbodiimide and carbamates in its structure.
The present invention still further provides the preparation method of above-mentioned urethane gusset material, comprises the steps: the mixture of described polyether glycol and polysiloxane polyhydric alcohol to carry out vacuum-drying; Then in described mixture after drying, add described chainextender and described catalyzer, obtain described component A;
Described B component is added in described component A, is poured into after mixing in the ferrule mold of pipe joint, after solidification, namely obtain described urethane gusset material through the demoulding.
In above-mentioned preparation method, described vacuum drying temperature can be 80 ~ 120 DEG C, and the time can be 1 ~ 4 hour, as vacuum-drying 2.5h at 95 DEG C;
When adding described B component in described component A, the temperature of described component A and described B component all can be 10 ~ 60 DEG C, as 30 DEG C;
In the step of described cast, the temperature of the ferrule mold of described pipe joint can be 40 ~ 150 DEG C, specifically can be 70 DEG C or 80 DEG C.
The present invention has following beneficial effect:
1, used catalyst is without mercury, environmental protection, and flow periods is long, and cured later is fast.
2, with short production cycle, die temperature is low, is applicable to marine cast-in-site operation.
3, goods are material, have lower water-intake rate, have resistance to corrosion seawater.
Embodiment
Following embodiment is used for further illustrating Synthesis and applications details of the present invention, does not form the restriction to spirit and scope of the invention.
The experimental technique used in following embodiment if no special instructions, is ordinary method.
Material used in following embodiment, reagent etc., if no special instructions, all can obtain from commercial channels.
Raw material used in following embodiment is as follows:
Hydroxy-terminated polysiloxane DS-3, hydroxyl value is 40 ~ 50mgKOH/g, French Rhodia company;
Polypropylene glycol (PPG-1), hydroxyl value 50 ~ 60mgKOH/g, Shandong blue star east major company;
Polyether glycol GE-2, hydroxyl value 160 ~ 175mgKOH/g, Shanghai Gaoqiao petrochemical industry;
BDO (BDO), glycol ether (DEG), Shanghai Ling Feng Chemical Co., Ltd.;
Catalyzer CT-2X, Aladdin reagent company;
NCO-B, modification MDI, Suprasec, NCO% are 19%; Huntsman Polyurethanes company limited.
Product performance in following embodiment are carried out in accordance with the following methods:
Hardness test: according to testing standard ASTM D2240-04, thickness of sample 6mm(or stackable to 6mm lower than 6mm), widthwise central apart from limit at least 12mm, temperature 23 ± 2 DEG C.During test, sclerometer pressing pin angle keep parallel with table top, pressing press certain speed decline, when pressing stopping after in 1s reading.If sclerometer is equipped with maximum reading telltale, then read lower full-scale reading, get at least 6mm of being separated by and get five points and test respectively, get arithmetical av or intermediate value.
Tensile strength is tested: according to testing standard ASTM D638, sample is dumbbell shape, and thickness is 3.2 ± 0.4mm, and it is 25.00 ± 0.25mm that graticule measures length, temperature 23 ± 2 DEG C, humidity 50 ± 5%.During test, stretch with the speed of 100 ± 50mm/min, record load draws-stretches curve, until sample ruptures in designated area.Each goods at least get five sample tests, get arithmetical av or intermediate value.
Water-intake rate is tested: measure by ASTM D570-98, temperature: 90 ± 2 DEG C; Humidity 50 ± 5%.The wide 25.4mm of sample preparation thickness 3.2mm, long 76.2mm, soak time 24h in water.
Number in following embodiment is parts by weight if no special instructions.
Embodiment 1,
In the reactor with vacuum and heating unit, by DS-3(52.5 part), PPG-1(192.5 part) and GE-2(105 part) mix and at 95 DEG C vacuum-drying 2.5h, after Slow cooling cools to 60 DEG C, by dried BDO(85.17 part) and catalyzer CT-2X(2.85 part) add, after mix and blend 15min, vacuum outgas obtains component A.
Controlling component A temperature is 30 DEG C, adds the NCO-B of 564.83 parts, and after rapid stirring is evenly degassed, pouring into mould temperature is in the mould of 70 DEG C, obtains submerged pipeline in-situ interface non-foamed polyure-thane gusset material of the present invention.
The gel time of non-foamed polyure-thane gusset material prepared by the present embodiment is 5min, and demould time is 18min.
After tested, the present embodiment prepare the gusset material demoulding time initial tensile strength be 3.22MPa, hardness (shore A) is 70, post curing back draft intensity is 18.22MPa, and elongation at break is 492.05%, 100% stress at definite elongation is 67.7MPa, hardness (shore A) is 89, and water-intake rate is 1.25.
Embodiment 2,
In the reactor with vacuum and heating unit, by DS-3(17.5 part), PPG-1(210.0 part), GE-2 (122.5 parts) mix and at 95 DEG C vacuum-drying 2.5h, after Slow cooling cools to 50 DEG C, just dried BDO(83.70 part) and catalyzer CT-2X(2.85 part) add, after mix and blend 15min, vacuum outgas obtains component A.
Controlling the temperature of component A is 30 DEG C, adds 566.30 parts of NCO-B, and after rapid stirring is evenly degassed, pouring into mould temperature is in the mould of 70 DEG C, obtains submerged pipeline in-situ interface non-foamed polyure-thane gusset material of the present invention.
The gel time of non-foamed polyure-thane gusset material prepared by the present embodiment is 4min, and demould time is 16min.
After tested, the present embodiment prepare the gusset material demoulding time initial strength be 4.13MPa, hardness (shore A) is 78, post curing back draft intensity is 14.46MPa, and elongation at break is 406.33%, 100% stress at definite elongation is 4.85MPa, hardness (shore A) is 83, and water-intake rate is 1.16.
Embodiment 3,
In the reactor with vacuum and heating unit, by DS-3(70 part), PPG-1(140 part), GE-2 (140 parts) mix and at 95 DEG C vacuum-drying 2.5h, after Slow cooling cools to 50 DEG C, just dried BDO(82.77 part) and catalyzer CT-2X(2.85 part) add, after mix and blend 15min, vacuum outgas obtains component A.
Controlling component A temperature is 30 DEG C, adds 567.23 parts of NCO-B, and after rapid stirring is evenly degassed, pouring into mould temperature is in the mould of 70 DEG C, obtains submerged pipeline in-situ interface non-foamed polyure-thane gusset material of the present invention.
The gel time of non-foamed polyure-thane gusset material prepared by the present embodiment is 6min, and demould time is 20min.
Initial strength during the gusset material demoulding is 3.89MPa, and hardness (shore A) is 75, and post curing back draft intensity is 16.30MPa, and elongation at break is 293.4%, 100% stress at definite elongation is 7.55MPa, and hardness (shore A) is 89, and water-intake rate is 1.38.
Embodiment 4,
In the reactor with vacuum and heating unit, by DS-3(17.5 part), PPG-1(210.0 part), GE-2 (122.5 parts) mix and at 95 DEG C vacuum-drying 2.5h, after Slow cooling cools to 50 DEG C, just dried DEG(116.91 part) and catalyzer CT-2X(2.85 part) add, after mix and blend 15min, vacuum outgas obtains component A.
Controlling component A temperature is 30 DEG C, adds 554.09 parts of NCO-B, and after rapid stirring is evenly degassed, pouring into mould temperature is in the mould of 70 DEG C, obtains submerged pipeline in-situ interface non-foamed polyure-thane gusset material of the present invention.
The gel time of non-foamed polyure-thane gusset material prepared by the present embodiment is 5min, and demould time is 18min.
Initial strength during the gusset material demoulding is 3.52MPa, and hardness (shore A) is 75, and post curing back draft intensity is 16.84MPa, and elongation at break is 303.8%, 100% stress at definite elongation is 6.39MPa, and hardness (shore A) is 86, and water-intake rate is 1.04.
Embodiment 5,
In the reactor with vacuum and heating unit, by DS-3(35 part), PPG-1(192.5 part), GE-2 (122.5 parts) mix and at 95 DEG C vacuum-drying 2.5h, after Slow cooling cools to 60 DEG C, DEG(79.03 part after just dry) and catalyzer CT-2X(2.85 part) add, after mix and blend 15min, vacuum outgas obtains component A.
Controlling the temperature of component A is 30 DEG C, adds 553.97 parts of NCO-B, and after rapid stirring is evenly degassed, pouring into mould temperature is in the mould of 80 DEG C, obtains scene, road of the present invention interface non-foamed polyure-thane gusset material.
The gel time of non-foamed polyure-thane gusset material prepared by the present embodiment is 4min, and demould time is 15min.
Initial strength during the gusset material demoulding is 4.3MPa, and hardness (shore A) is 81, and post curing back draft intensity is 17.35MPa, and elongation at break is 486.07%, 100% stress at definite elongation is 65.3MPa, and hardness (shore A) is 88, and water-intake rate is 1.21.
Shown by above-described embodiment, the gusset material fast setting demoulding prepared by the present invention, initial demoulding strength are high, and can serve the on-the-spot interface construction of ocean heat preservation pipeline, its comprehensive mechanical property performance is better than prior art.
Technology described above is protected as the technical scheme that completes, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But every for departing from art solutions content of the present invention, any simple modification, equivalent variations or the remodeling done above said content according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (10)
1. a sea-bottom oil-gas pipeline interface wet type thermal insulation urethane gusset material, is characterized in that: described urethane gusset material is made up of component A and B component;
Described component A is made up of polyether glycol, polysiloxane polyhydric alcohol, chainextender and catalyzer;
Described B component is modified isocyanate or derivatives thereof, and in described B component, the mass percentage of NCO is 10 ~ 30%;
The mass ratio of described component A and described B component is 0.25 ~ 4:1;
Described polyether glycol is made up of polyether glycol I and polyether glycol I I,
The hydroxyl value of described polyether glycol I is 8 ~ 100mgKOH/g, and the hydroxyl value of described polyether glycol I I is 100 ~ 200mgKOH/g;
The mass ratio of described polyether glycol I and described polyether glycol I I is 20 ~ 80:20 ~ 55.
2. urethane gusset material according to claim 1, it is characterized in that: in described component A, the mass ratio of described polyether glycol, described polysiloxane polyhydric alcohol, described chainextender and described catalyzer is 30 ~ 130:2 ~ 30:5 ~ 30:0.001 ~ 4.
3. urethane gusset material according to claim 1 and 2, is characterized in that: described polyether glycol I is one or more in PTMG, polypropylene glycol, polyoxyethylene glycol and their copolyether;
Described polyether glycol I I is plam oil polyvalent alcohol, soybean oil base polyol, castor oil-base polyvalent alcohol, hydroxy-terminated polybutadienes polyvalent alcohol and with 3 functionality small molecular alcohols or hydramine or 4 functionality small molecular alcohols be initiator, one or more in the ethylene oxide/propylene oxide polyether glycol that is polymerization single polymerization monomer.
4. urethane gusset material according to claim 1 and 2, is characterized in that: the hydroxyl value of described polysiloxane polyhydric alcohol is 45 ~ 100mgKOH/g;
The structural formula of described polysiloxane polyhydric alcohol such as formula shown in I,
Wherein, n=1 ~ 100; R
1 ~ 6for the straight or branched alkane of carbonatoms 1 ~ 4, and identical or different; R
7during for hydroxyl, R
8for hydroxyl, amino, epoxy group(ing) or unsaturated double-bond; Or R
8during for hydroxyl, R
7for hydroxyl, amino, epoxy group(ing) or unsaturated double-bond.
5. urethane gusset material according to claim 1 and 2, it is characterized in that: described chainextender is 1, 4-butyleneglycol, ethylene glycol, propylene glycol, glycol ether, glycerol, TriMethylolPropane(TMP), 1, 4-cyclohexanediol, Hydrogenated Bisphenol A, 1, 6-hexylene glycol, diethanolamine, trolamine, methyldiethanolamine, diethyl toluene diamine, 3, 5-dimethythiotoluene diamine, 3, 3'-bis-chloro-4, 4'-diaminodiphenyl-methane or derivatives thereof, two (2-hydroxyethyl) the ether or derivatives thereof of Resorcinol, two (2-hydroxyethyl) the ether or derivatives thereof of Resorcinol.
6. urethane gusset material according to claim 1 and 2, is characterized in that: described catalyzer is organic amine catalyzer or its salt, 1,8-diazabicyclo (5,4,0) undecylene-7 or its organic salt or organometallic catalysts.
7. urethane gusset material according to claim 1 and 2, is characterized in that: described B component is aliphatic isocyanates, alicyclic isocyanate, aromatic isocyanate, polymeric polyisocyanate or Isocyanate prepolymers body.
8. urethane gusset material according to claim 7, is characterized in that: described aromatic isocyanate is diphenylmethanediisocyanate.
9. the preparation method of urethane gusset material according to any one of claim 1-8, comprises the steps: the mixture of described polyether glycol and polysiloxane polyhydric alcohol to carry out vacuum-drying; Then in described mixture after drying, add described chainextender and described catalyzer, obtain described component A;
Described B component is added in described component A, is poured into after mixing in the ferrule mold of pipe joint, after solidification, namely obtain described urethane gusset material through the demoulding.
10. preparation method according to claim 9, is characterized in that: described vacuum drying temperature is 80 ~ 120 DEG C, and the time is 1 ~ 4 hour;
When adding described B component in described component A, the temperature of described component A and described B component is 10 ~ 60 DEG C;
In the step of described cast, the temperature of the ferrule mold of described pipe joint is 40 ~ 150 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159748.1A CN103214648B (en) | 2013-05-03 | 2013-05-03 | Wet type polyurethane joint material for thermal insulation for seabed oil and gas pipeline interface and preparation method of wet type polyurethane joint material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159748.1A CN103214648B (en) | 2013-05-03 | 2013-05-03 | Wet type polyurethane joint material for thermal insulation for seabed oil and gas pipeline interface and preparation method of wet type polyurethane joint material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103214648A CN103214648A (en) | 2013-07-24 |
| CN103214648B true CN103214648B (en) | 2015-05-20 |
Family
ID=48812844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310159748.1A Active CN103214648B (en) | 2013-05-03 | 2013-05-03 | Wet type polyurethane joint material for thermal insulation for seabed oil and gas pipeline interface and preparation method of wet type polyurethane joint material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103214648B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2928690C (en) | 2013-10-30 | 2021-10-26 | Dow Global Technologies Llc | Syntactic polyurethane elastomers based on low unsaturation polyols for use in subsea pipeline insulation |
| WO2015065769A1 (en) | 2013-10-30 | 2015-05-07 | Dow Global Technologies Llc | Syntactic polyurethane elastomers for use in subsea pipeline insulation |
| BR112016008504B1 (en) | 2013-10-30 | 2021-02-17 | Dow Global Technologies Llc | cured syntactic polyurethane elastomer and substrate coated with multiple sections of a syntactic polyurethane elastomer |
| WO2015065772A1 (en) * | 2013-10-30 | 2015-05-07 | Dow Global Technologies Llc | Syntactic polyurethane elastomer based on soft segment prepolymer and non-mercury catalyst for use in subsea pipeline insulation |
| CN107446316B (en) * | 2016-05-31 | 2019-11-08 | 比亚迪股份有限公司 | A kind of epoxy-plastic packaging feed composition, epoxy-plastic packaging material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731992A (en) * | 2012-07-25 | 2012-10-17 | 天津市爱德化工有限公司 | All-water perforated hard polyurethane foam for submarine pipeline joints |
| CN102838719A (en) * | 2012-09-21 | 2012-12-26 | 中国海洋石油总公司 | High hydrophobic organic silicon-polyurethane insulation compound material and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0819688D0 (en) * | 2008-10-27 | 2008-12-03 | Subsea 7 | Apparatus and method for reducing stress across subsea pipe joints |
-
2013
- 2013-05-03 CN CN201310159748.1A patent/CN103214648B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102731992A (en) * | 2012-07-25 | 2012-10-17 | 天津市爱德化工有限公司 | All-water perforated hard polyurethane foam for submarine pipeline joints |
| CN102838719A (en) * | 2012-09-21 | 2012-12-26 | 中国海洋石油总公司 | High hydrophobic organic silicon-polyurethane insulation compound material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103214648A (en) | 2013-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103214648B (en) | Wet type polyurethane joint material for thermal insulation for seabed oil and gas pipeline interface and preparation method of wet type polyurethane joint material | |
| CN102838719B (en) | High hydrophobic organic silicon-polyurethane insulation compound material and preparation method thereof | |
| CN105367742B (en) | Combined polyether, polyurethane foam and its preparation method and application | |
| Qian et al. | Facile preparation of active lignin capsules for developing self-healing and UV-blocking polyurea coatings | |
| CN102702838A (en) | Micro-crack self-repairing microcapsule and preparation method thereof | |
| CN103694435B (en) | Spary coating type pipeline special environment friendly combined polyether and preparation method thereof | |
| CN102010498B (en) | Method for preparing polyurethane elastomer capable of rapidly expanding when contacting water | |
| CN101818018A (en) | Knife coating type polyurea waterproof coating | |
| CN107446502A (en) | Self-repairing water-based epoxy/asphalt composite waterproof coating and preparation method thereof | |
| CN110746564B (en) | Combined polyether for ocean buoy, polyurethane raw material composition, polyurethane foam and preparation method thereof | |
| CN102731992B (en) | All-water perforated hard polyurethane foam for submarine pipeline joints | |
| CN106589294B (en) | Microporous polyurethane elastomer composition and preparation method thereof for the floating ball that foams | |
| CN109135527A (en) | A kind of preparation process of modified polyurea coating | |
| CN105820790A (en) | Acid-resistant heatproof elastic bonding agent and preparation method thereof | |
| CN103224606B (en) | Polyurethane node material for submarine oil-gas pipeline interface wet type thermal insulation, and preparation method thereof | |
| Zhang et al. | Fabrication of “wooden ear”-like filler and anti-corrosion of composite coating under high temperature environment | |
| CN103113818B (en) | Preparation and application of solvent-free spraying polyurethane pipeline mending coating | |
| CN103483525A (en) | Modified epoxy resin with corrosion resistance and wear resistance and preparation method thereof | |
| CN104861143A (en) | Room-temperature-curable high-temperature-resistant polyurethane sealing material and preparation method thereof | |
| CN105295641A (en) | Preparation method for solvent-free waterborne polyester modified epoxy paint and prepared paint | |
| CN107501910A (en) | A kind of solar water container polyurethane heat-insulating heat-preserving material | |
| CN104449214A (en) | Solvent-free epoxy coating for steel pipe pile | |
| CN106397725B (en) | Utilize recycling waste hard polyurethane foam production insulating tube material, insulating tube and production method | |
| CA2928584C (en) | Syntactic polyurethane elastomers for use in subsea pipeline insulation | |
| CN113278318A (en) | Fiber and/or scale reinforced self-repairing anticorrosive coating and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |