CN105237713B - Electric pole glass composite polyurethane and preparation method thereof - Google Patents

Electric pole glass composite polyurethane and preparation method thereof Download PDF

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Publication number
CN105237713B
CN105237713B CN201510782707.7A CN201510782707A CN105237713B CN 105237713 B CN105237713 B CN 105237713B CN 201510782707 A CN201510782707 A CN 201510782707A CN 105237713 B CN105237713 B CN 105237713B
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electric pole
parts
glass composite
composite polyurethane
preparation
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CN201510782707.7A
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CN105237713A (en
Inventor
荆晓东
柴可军
董伟
王帅
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ZIBO ZHENGDA POLYURETHANE Co Ltd
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ZIBO ZHENGDA POLYURETHANE Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • 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
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • 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
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3271—Hydroxyamines
    • C08G18/3275—Hydroxyamines containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • 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
    • C08G18/48—Polyethers
    • C08G18/4829—Polyethers containing at least three hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • 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
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
    • C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
    • C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The present invention relates to a kind of electric pole glass composite polyurethane and preparation method thereof, belong to organic polymer synthesis technical field.Described electric pole glass composite polyurethane, is prepared from the following raw materials in parts by weight：70 80 parts of IPDI, 25 30 parts of 40 50 parts of PPG A, PPG B, 35 parts of diethanol amine, 1,935 parts of nonanediol, 40 50 parts of glass mat；Its preparation method is that PPG A, PPG B are added in there-necked flask, IPDI is added after heating up, be dehydrated, cool to be reacted, obtain performed polymer, then it is poured into the mould for having inserted glass mat, degassing curing molding is vacuumized in sealing container, obtains product.The electric pole glass composite polyurethane of the present invention has high chemical stability, will not be expanded after Exposure to Sunlight bubble is undergone, and have high resistance to compression, bending strength and weight capacity；Its preparation method is simple, easy to operate.

Description

Electric pole glass composite polyurethane and preparation method thereof
Technical field
The present invention relates to a kind of electric pole glass composite polyurethane and preparation method thereof, belongs to organic polymer synthesis skill Art field.
Background technology
Electric pole is the bridge of electricity, and common electric pole has wooden pole and cement electric pole.Wooden pole is not Can load-bearing, and undergo Exposure to Sunlight, easily snap off after bubble or worm bite, it is not durable；The weight of cement electric pole is big, meeting during transport Expend substantial amounts of man power and material, cost is of a relatively high.Therefore, it is necessary to electric pole material therefor is studied.
The content of the invention
It is an object of the invention to provide a kind of electric pole glass composite polyurethane, has high anti-pressure ability, bending resistance Intensity and weight capacity；Present invention simultaneously provides its preparation method.
Electric pole of the present invention glass composite polyurethane, is prepared from the following raw materials in parts by weight：
Wherein：
The preferred Bayer A.G of manufacturer of IPDI；
PPG A is that relative molecular mass is 450-600, and degree of functionality is 3-5 Sucrose polyethers, preferably DSU- 4110S, manufacturer are the federal chemical Industrial Co., Ltd of Zibo moral letter；
PPG B is that relative molecular mass is 400-550, and degree of functionality is 2-4 PPOX trihydroxylic alcohol, preferably DMN-350, manufacturer are the federal chemical Industrial Co., Ltd of Zibo moral letter.
The fibre length of described glass mat is 20-50mm.
The described electric pole preparation method of glass composite polyurethane, comprises the following steps：
(1) PPG A, PPG B are added in there-necked flask and heated up, after vacuum dehydration, cooling Add IPDI to be reacted, obtain performed polymer；
(2) glass mat is inserted in mould, then Bi Mo；
(3) diethanol amine and 1,9- nonanediol are added after performed polymer is heated up, is poured into after stirring in mould, Then degassing curing molding is vacuumized in sealing container, obtains electric pole glass composite polyurethane.
Wherein, preferable technical scheme is as follows：
Warming temperature is 105-115 DEG C in step (1)；The vacuum dehydration time is 2-3h；The temperature that cools is 20-30 DEG C；Instead It is 95-105 DEG C to answer temperature, reaction time 3-3.5h；NCO content is 4.6-5.7wt% in performed polymer.
Warming temperature is 85-95 DEG C in step (3), and curing molding temperature is 45-65 DEG C.
Beneficial effects of the present invention are as follows：
(1) glass composite polyurethane of the invention has high chemical stability, will not be sent out after Exposure to Sunlight bubble is undergone Raw expansion, has high resistance to compression, bending strength and a weight capacity, at the same can acid-alkali-corrosive-resisting, not by natural environment and climate Influence；
(2) service life length, light weight, be easy to construction, cost it is low；
(3) preparation method is simple, easy to operate.
Embodiment
The present invention is described further with reference to embodiments.
Embodiment 1
Electric pole glass composite polyurethane, is prepared from the following raw materials in parts by weight：
Wherein, the fibre length of glass mat is 25mm.
Preparation method is as follows：
(1) DSU-4110S, DMN-350 are added in there-necked flask, vacuum dehydration 2h, then cools after being warming up to 110 DEG C To 20 DEG C, add IPDI and react 3h at 95 DEG C, obtain the performed polymer that NCO content is 4.6wt%；
(2) glass mat is inserted in mould, then Bi Mo；
(3) performed polymer is warming up to 85 DEG C, then adds diethanol amine and 1,9- nonanediol, mould is poured into after stirring In tool, degassing curing molding is then vacuumized at 45 DEG C in closed container, obtains electric pole glass composite polyurethane, is examined Survey the results are shown in Table 1.
The product performance index of 1 embodiment of table 1
Density (kg/m3) 800
Tensile strength (kg/m2) 1600
Elongation at break (%) 7.2
Shore hardness D hardness 96
Tearing strength (KN/m) 230
Embodiment 2
Electric pole glass composite polyurethane, is prepared from the following raw materials in parts by weight：
Wherein, the fibre length of glass mat is 50mm.
Preparation method is as follows：
(1) DSU-4110S, DMN-350 are added in there-necked flask, vacuum dehydration 3h, then cools after being warming up to 115 DEG C To 30 DEG C, add IPDI and react 3h at 100 DEG C, obtain the performed polymer that NCO content is 5.7wt%；
(2) glass mat is inserted in mould, then Bi Mo；
(3) performed polymer is warming up to 95 DEG C, then adds diethanol amine and 1,9- nonanediol, mould is poured into after stirring In tool, degassing curing molding is then vacuumized at 65 DEG C in closed container, obtains electric pole glass composite polyurethane, is examined Survey the results are shown in Table 2.
The product performance index of 2 embodiment of table 2
Density (kg/m3) 830
Tensile strength (kg/m2) 1480
Elongation at break (%) 5.9
Shore hardness D hardness 93
Tearing strength (KN/m) 210
Embodiment 3
Electric pole glass composite polyurethane, is prepared from the following raw materials in parts by weight：
Wherein, the fibre length of glass mat is 40mm.
Preparation method is as follows：
(1) DSU-4110S, DMN-350 are added in there-necked flask, vacuum dehydration 2.5h, then drops after being warming up to 105 DEG C Temperature adds IPDI and reacts 3h at 105 DEG C to 25 DEG C, obtains the pre-polymerization that NCO content is 5.3wt% Body；
(2) glass mat is inserted in mould, then Bi Mo；
(3) performed polymer is warming up to 90 DEG C, then adds diethanol amine and 1,9- nonanediol, mould is poured into after stirring In tool, degassing curing molding is then vacuumized at 55 DEG C in closed container, obtains electric pole glass composite polyurethane, is examined Survey the results are shown in Table 3.
The product performance index of 3 embodiment of table 3
Density (kg/m3) 860
Tensile strength (kg/m2) 1500
Elongation at break (%) 6.6
Shore hardness D hardness 94
Tearing strength (KN/m) 250
From embodiment 1-3 testing result, obtained product can be entirely applied to prepare electric pole.

Claims (10)

  1. A kind of 1. electric pole glass composite polyurethane, it is characterised in that：It is prepared from the following raw materials in parts by weight：
    IPDI 70-80 parts
    PPG A 40-50 parts
    PPG B 25-30 parts
    Diethanol amine 3-5 parts
    1,9- nonanediol 3-5 parts
    Glass mat 40-50 parts；
    The PPG A is that relative molecular mass is 450-600, and degree of functionality is 3-5 Sucrose polyethers；
    The PPG B is the PPOX trihydroxylic alcohol that relative molecular mass is 400-550.
  2. 2. electric pole according to claim 1 glass composite polyurethane, it is characterised in that：The fiber length of glass mat Spend for 25-50mm.
  3. A kind of 3. preparation method of the electric pole glass composite polyurethane described in claim 1 or 2, it is characterised in that：Including Following steps：
    （1）PPG A, PPG B are added in there-necked flask and heated up, is added after vacuum dehydration, cooling IPDI is reacted, and obtains performed polymer；
    （2）Glass mat is inserted in mould, then mold closing；
    （3）Diethanol amine and 1,9- nonanediol are added after performed polymer is heated up, is poured into after stirring in mould, then Degassing curing molding is vacuumized in sealing container, obtains electric pole glass composite polyurethane.
  4. 4. the electric pole according to claim 3 preparation method of glass composite polyurethane, it is characterised in that：Step（1） Middle warming temperature is 105-115 DEG C.
  5. 5. the electric pole according to claim 3 preparation method of glass composite polyurethane, it is characterised in that：Step（1） The middle vacuum dehydration time is 2-3h.
  6. 6. the electric pole according to claim 3 preparation method of glass composite polyurethane, it is characterised in that：Step（1） Middle cooling temperature is 20-30 DEG C.
  7. 7. the electric pole according to claim 3 preparation method of glass composite polyurethane, it is characterised in that：Step（1） Middle reaction temperature is 95-105 DEG C, reaction time 3-3.5h.
  8. 8. the electric pole according to claim 3 preparation method of glass composite polyurethane, it is characterised in that：Step（1） Performed polymer in NCO content be 4.6-5.7wt%.
  9. 9. the electric pole according to claim 3 preparation method of glass composite polyurethane, it is characterised in that：Step（3） Middle warming temperature is 85-95 DEG C.
  10. 10. the electric pole according to claim 3 preparation method of glass composite polyurethane, it is characterised in that：Step（3） Middle curing molding temperature is 45-65 DEG C.
CN201510782707.7A 2015-11-13 2015-11-13 Electric pole glass composite polyurethane and preparation method thereof Active CN105237713B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110922554B (en) * 2018-09-20 2022-07-12 万华化学（北京）有限公司 Use of a polyurethane composition in a VARTM or HPRTM process, polyurethane composition and composite material prepared thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1401680A (en) * 2002-08-31 2003-03-12 海洋化工研究院 Hard polyurethane casting material
CN102358801A (en) * 2011-07-15 2012-02-22 辽宁鼎力科技有限责任公司 Ingredients of energy-saving heat preservation decorative plate for outer wall and preparing method thereof
CN103072784A (en) * 2012-09-19 2013-05-01 袁民军 Joint-less polyurethane conveyor belt
CN104262580A (en) * 2014-09-04 2015-01-07 苏州市景荣科技有限公司 High-bending-resistance PU (polyurethane) shoe material and manufacturing method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1401680A (en) * 2002-08-31 2003-03-12 海洋化工研究院 Hard polyurethane casting material
CN102358801A (en) * 2011-07-15 2012-02-22 辽宁鼎力科技有限责任公司 Ingredients of energy-saving heat preservation decorative plate for outer wall and preparing method thereof
CN103072784A (en) * 2012-09-19 2013-05-01 袁民军 Joint-less polyurethane conveyor belt
CN104262580A (en) * 2014-09-04 2015-01-07 苏州市景荣科技有限公司 High-bending-resistance PU (polyurethane) shoe material and manufacturing method thereof

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