CN105273217A - HFC-245fa ternary foaming agent-based thermal insulation material and filling technology - Google Patents
HFC-245fa ternary foaming agent-based thermal insulation material and filling technology Download PDFInfo
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- CN105273217A CN105273217A CN201410341645.1A CN201410341645A CN105273217A CN 105273217 A CN105273217 A CN 105273217A CN 201410341645 A CN201410341645 A CN 201410341645A CN 105273217 A CN105273217 A CN 105273217A
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Abstract
The present invention discloses a HFC-245fa ternary foaming agent-based thermal insulation material and a filling technology, and the HFC-245fa ternary foaming agent-based thermal insulation material comprises, by mass, 100 parts of a polyol mixture, 105 to 180 parts of polyisocyanate, 20 to 80 parts of a compound halogen-free flame retardant, 20 to 30 parts of methyl formate, 1 to 50 parts of a foaming agent, 1-3 parts of a composite catalyst, 2 to 4 parts of a foam stabilizer and 1 to 2 parts of a crosslinking agent. The foaming agent can be used for manufacturing a foaming agent thermal insulation material with high energy efficiency and low cost, meanwhile by vacuumizing and then filling of a material liquid into a box cavity for foaming, foam gel time can be reduced, foams are more delicate, and the foam thermal conductivity is low.
Description
Technical field
The present invention relates to foaming agent composotion and filling process method, in more detail, the present invention relates to the foaming agent composotion containing three kinds of compositions and the filling process method in refrigerator interlayer thereof.
Background technology
At present, refrigerator thermal insulation material uses polyurethane material, but the whipping agent kind used during foaming is different, can be larger on the heat-insulating efficiency impact of thermal insulation material.Therefore, the selection of whipping agent can bring decisive influence to refrigerator lining effect.Due to environment protection; CFC-11 (trichlorofluoromethane), HCFC-141b (dichloro one fluoroethane) are prohibited from using gradually, and at present, conventional whipping agent is pentamethylene, HFC-245fa (1; 1; 1,3,3-pentafluoropropane), HFC-365fa (1; 1; 1,3,3-3-pentafluorobutane) etc.But the energy efficiency of pentamethylene is not high, and HFC-245fa (1,1,1,3,3-pentafluoropropane), HFC-365fa (1,1,1,3,3-3-pentafluorobutane) price is higher, brings disadvantageous effect to enterprise's production cost.
In addition, hard polyurethane foam fills refrigerator insulating interlayer, its technique be generally by isocyanic ester (being commonly called as black material), combined polyether (being commonly called as white material) after mixing head of foaming machine high pressure mixing, inject reaction in Die Box or door body cavity, and release heat, the whipping agent heat gasification in raw material, form microbubble, micro-bubble growth, expansion, be full of cavity, solidify to form hard polyaminoester closed-cell foam.In process, the performance of foam and production technique determine the quality of refrigerator heat-insulating property.But, casing or door body cavity airtight, confined air chien shih foam reactant expands, the resistance of flowing increases, and filling whole cavity desired raw material must be more, and simultaneously foam skewness, affects heat-insulating property.
Summary of the invention
The present invention proposes a kind of foaming agent composotion containing three kinds of compositions and filling process method in refrigerator interlayer thereof of relating to solve above-mentioned prior art problem, thus can manufacture the cheap whipping agent lagging material of energy efficiency high cost.
The first object of the present invention has been come by following technical solution, and based on the lagging material of HFC-245fa ternary whipping agent, in mass fraction, its formula is:
Polyol blends 100 parts, polyisocyanates 105 ~ 180 parts, composite halogen-free flame retardants 20 ~ 80 parts, methyl-formiate 20 ~ 30 parts, whipping agent 1 ~ 50 part, composite catalyst 1 ~ 3 part, suds-stabilizing agent 2 ~ 4 parts and linking agent 1 ~ 2 part;
Wherein the molecular-weight average of polyol blends is 200 ~ 600g/mol, hydroxyl value is 300 ~ 800mgKOH/g, the viscosity of temperature 25 DEG C time is 2000 ~ 6000MPas;
Wherein said composite halogen-free flame retardants by weight ratio be 1 (: phosphate ester flame retardants 0.5 ~ 1.5) and urea is composite forms;
Wherein said whipping agent is pentamethylene and 1,1,1,3,3-pentafluoropropane (HFC-245fa);
Wherein said composite catalyst is be (1.5 ~ 3) by mass ratio: the tertiary amine catalyst of 1 and organometallic compound composite and obtain;
Wherein said suds-stabilizing agent is type siloxane suds-stabilizing agent;
Wherein said linking agent is any one or more in glycerine, TriMethylolPropane(TMP), trimethylolethane, 1,2,6-dihydroxyhexane, trolamine, tri-isopropanolamine, tetramethylolmethane and polyether-tribasic alcohol.
The second object of the present invention has been come by following technical solution, based on the filling process of HFC-245fa ternary whipping agent, it is characterized in that carrying out following steps:
A, refrigerator body is placed in tightness system;
Vacuumizing box cavity before b, material feeding makes it in negative pressure state;
C, the lagging material based on HFC-245fa ternary whipping agent is carried out material feeding to box cavity, feed liquid foams, fills, solidify to form foaming box body.
Whipping agent of the present invention, based on pentamethylene and HFC-245fa, can manufacture the whipping agent lagging material that energy efficiency high cost is cheap.Meanwhile, adopt this injection technique, owing to first vacuumizing casing, then inject feed liquid foaming to box cavity, the frothy gel time can reduce, and foam reactant speed is fast, and foam production efficiency improves greatly.And foam stream dynamic resistance is little, foam is finer and smoother, and abscess is round, and foam thermal conductivity is low.
Embodiment
For a better understanding of the present invention, below by way of specific embodiment, the present invention will be further described, but embodiments of the present invention are not limited thereto.
Based on the lagging material of HFC-245fa ternary whipping agent, in mass fraction, its formula is:
Polyol blends 100 parts, polyisocyanates 105 ~ 180 parts, composite halogen-free flame retardants 20 ~ 80 parts, methyl-formiate 20 ~ 30 parts, whipping agent 1 ~ 50 part, composite catalyst 1 ~ 3 part, suds-stabilizing agent 2 ~ 4 parts and linking agent 1 ~ 2 part.Wherein the molecular-weight average of polyol blends is 200 ~ 600g/mol, hydroxyl value is 300 ~ 800mgKOH/g, the viscosity of temperature 25 DEG C time is 2000 ~ 6000MPas.Wherein said composite halogen-free flame retardants by weight ratio be 1 (: phosphate ester flame retardants 0.5 ~ 1.5) and urea is composite forms.
Wherein said whipping agent is pentamethylene and 1,1,1,3,3-pentafluoropropane.Wherein said composite catalyst is be (1.5 ~ 3) by mass ratio: the tertiary amine catalyst of 1 and organometallic compound composite and obtain.Wherein said suds-stabilizing agent is type siloxane suds-stabilizing agent.Wherein said linking agent is any one or more in glycerine, TriMethylolPropane(TMP), trimethylolethane, 1,2,6-dihydroxyhexane, trolamine, tri-isopropanolamine, tetramethylolmethane and polyether-tribasic alcohol.
Based on the filling process of HFC-245fa ternary whipping agent, it is characterized in that carrying out following steps:
A, refrigerator body is placed in tightness system;
Vacuumizing box cavity before b, material feeding makes it in negative pressure state;
C, the lagging material based on HFC-245fa ternary whipping agent is carried out material feeding to box cavity, feed liquid foams, fills, solidify to form foaming box body.
After lagging material fully mixes, material feeding adopts high-pressure foam rifle that our company develops, that be suitable for using in refrigerator lagging material, it includes pedestal, perfusion oil cylinder, clean oil cylinder, two groups of piston type nozzles, described pedestal is provided with mixing head, have the mixing of materials chamber running through hole shape in described mixing head, described clean oil cylinder connects pedestal, and cleansing oil cylinder piston rod one end is slidably matched in hybrid chamber, the other end is arranged on oil cylinder seat, and can coordinate clean oil cylinder expanding-contracting action; There is fill orifice described piston type nozzle one end, the inner piston rod corresponding matching with being equipped with syringe needle of fill orifice, the described piston rod the other end connects perfusion oil cylinder seat, described perfusion oil cylinder seat is arranged on pedestal, described two groups of piston type nozzles are around hybrid chamber radially V-arrangement distribution, and the fill orifice of two groups of piston type nozzles enters mixing of materials chamber along tangent line successively.Described clean oil cylinder and perfusion oil cylinder are connected with proximity switch and travel adjustment.
Lagging material adopts and comprises HFC-245fa and pentamethylene, the mixed group material of methyl formate ternary, this material can carry out reinforcing polyurethane foaming materials effect by the control of the conditions such as density, temperature, pressure, make polyurethane foam have bounding force good, not from bubble, the feature such as bubble is few, density is low (31-34), thermal conductivity low (0.0182-0.0193), good heat insulating.
Claims (2)
1., based on the lagging material of HFC-245fa ternary whipping agent, in mass fraction, its formula is:
Polyol blends 100 parts, polyisocyanates 105 ~ 180 parts, composite halogen-free flame retardants 20 ~ 80 parts, methyl-formiate 20 ~ 30 parts, whipping agent 1 ~ 50 part, composite catalyst 1 ~ 3 part, suds-stabilizing agent 2 ~ 4 parts and linking agent 1 ~ 2 part;
Wherein the molecular-weight average of polyol blends is 200 ~ 600g/mol, hydroxyl value is 300 ~ 800mgKOH/g, the viscosity of temperature 25 DEG C time is 2000 ~ 6000MPas;
Wherein said composite halogen-free flame retardants by weight ratio be 1 (: phosphate ester flame retardants 0.5 ~ 1.5) and urea is composite forms;
Wherein said whipping agent is pentamethylene and 1,1,1,3,3-pentafluoropropane (HFC-245fa);
Wherein said composite catalyst is be (1.5 ~ 3) by mass ratio: the tertiary amine catalyst of 1 and organometallic compound composite and obtain;
Wherein said suds-stabilizing agent is type siloxane suds-stabilizing agent;
Wherein said linking agent is any one or more in glycerine, TriMethylolPropane(TMP), trimethylolethane, 1,2,6-dihydroxyhexane, trolamine, tri-isopropanolamine, tetramethylolmethane and polyether-tribasic alcohol.
2., based on the filling process of HFC-245fa ternary whipping agent, it is characterized in that carrying out following steps:
A, refrigerator body is placed in tightness system;
Vacuumizing box cavity before b, material feeding makes it in negative pressure state;
C, the lagging material based on HFC-245fa ternary whipping agent is carried out material feeding to box cavity, feed liquid foams, fills, solidify to form foaming box body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410341645.1A CN105273217A (en) | 2014-07-14 | 2014-07-14 | HFC-245fa ternary foaming agent-based thermal insulation material and filling technology |
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| CN201410341645.1A CN105273217A (en) | 2014-07-14 | 2014-07-14 | HFC-245fa ternary foaming agent-based thermal insulation material and filling technology |
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| CN105273217A true CN105273217A (en) | 2016-01-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501518A (en) * | 2017-09-12 | 2017-12-22 | 合肥华凌股份有限公司 | Polyurethane foam and its production and use |
| CN107814897A (en) * | 2017-10-24 | 2018-03-20 | 合肥华凌股份有限公司 | Polyurethane foam combination, polyurethane foam, the method and refrigeration plant for preparing polyurethane foam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101903113A (en) * | 2007-12-17 | 2010-12-01 | 巴斯夫欧洲公司 | Methods for producing composite elements based on foams based on isocyanate |
| CN101979233A (en) * | 2010-10-18 | 2011-02-23 | 合肥美菱股份有限公司 | Process for producing negative pressure foamed refrigerator |
| CN102300711A (en) * | 2008-11-28 | 2011-12-28 | 巴斯夫欧洲公司 | Method For Producing Composite Elements |
| CN103694438A (en) * | 2013-12-10 | 2014-04-02 | 华南理工大学 | Halogen-free flame-retardant rigid polyurethane foamed plastic and preparation method for same |
-
2014
- 2014-07-14 CN CN201410341645.1A patent/CN105273217A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101903113A (en) * | 2007-12-17 | 2010-12-01 | 巴斯夫欧洲公司 | Methods for producing composite elements based on foams based on isocyanate |
| CN102300711A (en) * | 2008-11-28 | 2011-12-28 | 巴斯夫欧洲公司 | Method For Producing Composite Elements |
| CN101979233A (en) * | 2010-10-18 | 2011-02-23 | 合肥美菱股份有限公司 | Process for producing negative pressure foamed refrigerator |
| CN103694438A (en) * | 2013-12-10 | 2014-04-02 | 华南理工大学 | Halogen-free flame-retardant rigid polyurethane foamed plastic and preparation method for same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107501518A (en) * | 2017-09-12 | 2017-12-22 | 合肥华凌股份有限公司 | Polyurethane foam and its production and use |
| CN107501518B (en) * | 2017-09-12 | 2020-06-26 | 合肥华凌股份有限公司 | Polyurethane foam, preparation method and application thereof |
| CN107814897A (en) * | 2017-10-24 | 2018-03-20 | 合肥华凌股份有限公司 | Polyurethane foam combination, polyurethane foam, the method and refrigeration plant for preparing polyurethane foam |
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