CN113942160A - Preparation method of flame-retardant non-temperature-sensitive memory foam - Google Patents
Preparation method of flame-retardant non-temperature-sensitive memory foam Download PDFInfo
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- CN113942160A CN113942160A CN202111345525.5A CN202111345525A CN113942160A CN 113942160 A CN113942160 A CN 113942160A CN 202111345525 A CN202111345525 A CN 202111345525A CN 113942160 A CN113942160 A CN 113942160A
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- foam
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- flame retardant
- flame
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000003063 flame retardant Substances 0.000 title claims abstract description 63
- 229920000079 Memory foam Polymers 0.000 title claims abstract description 44
- 239000008210 memory foam Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000006260 foam Substances 0.000 claims abstract description 51
- 238000005187 foaming Methods 0.000 claims abstract description 46
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 13
- 229920000570 polyether Polymers 0.000 claims abstract description 13
- 239000003054 catalyst Substances 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 239000003381 stabilizer Substances 0.000 claims abstract description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 239000004088 foaming agent Substances 0.000 claims abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 9
- 239000011574 phosphorus Substances 0.000 claims abstract description 9
- 229920005862 polyol Polymers 0.000 claims abstract description 9
- 150000003077 polyols Chemical class 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- 239000002655 kraft paper Substances 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000012974 tin catalyst Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003672 processing method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 208000004210 Pressure Ulcer Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Classifications
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable material
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
- B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to a preparation method of a flame-retardant non-temperature-sensitive memory foam, which comprises the steps of firstly, determining raw materials for preparing the flame-retardant non-temperature-sensitive memory foam, wherein the raw materials comprise polyether polyol, a flame retardant, MDI/TDI, a high-efficiency foam stabilizer, a high-efficiency composite catalyst, an external foaming agent and water, the flame retardant is prepared by mixing a phosphorus-containing flame retardant and a nitrogen-containing flame retardant, all the raw materials are conveyed to a foaming machine head for mixing and stirring, then the foaming machine head is used for carrying out open continuous low-pressure flat foam foaming, the foamed foam is shaped on a conveying belt, the width, the density, the thickness and the top surface shape are controlled, the foam conveyed on the conveying belt is solidified and shaped after shaping, and finally, the required memory foam product is cut into the required memory foam through a sponge cutting machine in a special shape. The invention has the advantages that: the flame retardant effect of the memory foam is improved by adding the composite flame retardant into the raw materials, so that the finally produced memory foam has excellent flame retardant property.
Description
Technical Field
The invention relates to the field of sponge processing, in particular to a preparation method of a flame-retardant non-temperature-sensitive memory foam.
Background
With the improvement of living standard, the comfort requirement of people on home furnishing is higher and higher. The common soft sponge products have been widely adopted by the furniture manufacturers as soft and elastic. However, in the using process, the common soft sponge product has the defects of large resilience pressure to human blood vessels, sultry in summer, hard texture in winter and poor comfort, so that the application range of the common soft sponge is limited.
In order to make up for the deficiency of the ordinary soft sponge, a non-temperature-sensing memory sponge is provided on the market, the sponge is characterized in that the shape is automatically adjusted according to the shape and the temperature of the body, the pressure of the human body is effectively dissolved to be zero, the counter force is counteracted, the most average and real support is provided, the part of the body contacted for a long time is in a non-pressure state, the blood circulation is not blocked, and the fatigue and the ache are not easy to generate, the non-temperature-sensing memory sponge is used in hospitals, the maximum comfortable sensation can be provided for patients, the bedsore can be effectively prevented, and the superiority of the non-temperature-sensing memory sponge is that the ordinary soft sponge is difficult to compare favorably.
At present, in the processing process of the non-temperature-sensing memory foam used in the existing market, polyether components are involved in the formula, and generally, polyether with high ethylene oxide content is adopted when polyether is selected, wherein the oxygen content is much higher than that of common polyether, so that the oxygen content in the synthesized non-temperature-sensing memory foam is also very high, which causes that the flame retardant property of the non-temperature-sensing memory foam is poor, and the purpose of flame retardant is difficult to achieve.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of a flame-retardant non-temperature-sensitive memory foam, which can produce the non-temperature-sensitive memory foam with better flame-retardant property.
In order to solve the technical problems, the technical scheme of the invention is as follows: the preparation method of the flame-retardant non-temperature-sensitive memory foam has the innovation points that: comprises the following steps
S1 mixing: firstly, determining raw materials for preparing the flame-retardant non-temperature-sensitive memory foam, wherein the raw materials comprise polyether polyol, a flame retardant, MDI/TDI, a high-efficiency foam stabilizer, a high-efficiency composite catalyst, an external foaming agent and water, the flame retardant is prepared by mixing a phosphorus-containing flame retardant and a nitrogen-containing flame retardant, the raw materials are respectively arranged in respective raw material barrels, and the raw materials are respectively conveyed to a foaming machine head through respective pipelines to be mixed and stirred so that the polyether polyol and the MDI/TDI are polymerized;
s2 foaming: the foaming machine head is used for carrying out open continuous low-pressure flat foam foaming, the polymerized material is sprayed onto a falling plate arranged at the discharge end of the foaming machine through a foaming nozzle of the foaming machine, a conveying belt is arranged on the rear side of the falling plate, kraft paper is laid on the falling plate, the foaming nozzle sprays the foam onto the kraft paper, the kraft paper moves forwards along with the conveying belt so as to drive the foam to move forwards together, the foam is conveyed while foaming, and during foaming, the temperature of the foaming machine head is adjusted through an air conditioner arranged on the upper side of the foaming machine in advance so as to provide the temperature required by foaming;
s3 shaping: the foamed foam is conveyed on a conveying belt, side panels which are vertically arranged are arranged on two sides of the conveying belt and are driven by independent linear drivers to move horizontally, and therefore the width of the foam is adjusted; the density of the foam is controlled by controlling the input amount of the raw materials and matching the conveying speed of the conveying belt; the falling plate is formed by assembling a plurality of plates together, and each plate is driven by a corresponding linear driver to lift up and down, so that the top height of the foam and the radian of the top end surface of the foam are controlled;
s4 cutting: and the foam conveyed on the conveying belt is shaped, solidified and shaped, and finally cut into the required memory foam product in a special shape by a sponge cutting machine.
Furthermore, the high-efficiency foam stabilizer is an organic silicon foam stabilizer or polysiloxane-polyoxyalkylene mosaic copolymer.
Further, the high-efficiency composite catalyst is a tin catalyst or an amine catalyst.
Further, the external foaming agent is dichloromethane.
Further, the raw materials comprise the following components in parts by weight: 90-110 parts of polyether polyol, 10-60 parts of flame retardant, 78-70 parts of MDI/TDI30, 0.5-5 parts of high-efficiency foam stabilizer, 0.1-1.0 part of high-efficiency composite catalyst, 0-6 parts of external foaming agent and 1-5 parts of water.
The invention has the advantages that: according to the processing method, the memory foam is prepared by matching the working procedures of mixing, foaming, shaping, cutting and the like, the flame retardant is added into the raw materials to achieve the purpose of flame retardance of the memory foam, and meanwhile, the added flame retardant is a composite flame retardant prepared by mixing a phosphorus-containing flame retardant and a nitrogen-containing flame retardant to further improve the flame retardance effect of the memory foam, so that the finally produced memory foam has excellent flame retardance.
When the foam is shaped, the width, the density, the height and the top surface shape of the foam are controlled in many aspects through the control in many aspects such as the conveying speed of a side panel and a conveying belt, the input quantity control of raw materials, the lifting height of a falling plate, the plate type of the falling plate and the like, so that the requirements can be met after the foam is shaped, and the subsequent secondary shaping is reduced.
Detailed Description
The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
The preparation method of the flame-retardant non-temperature-sensitive memory foam is realized by the following steps:
s1 mixing: firstly, determining raw materials for preparing the flame-retardant non-temperature-sensitive memory foam, wherein the raw materials comprise 90-110 parts of polyether polyol, 10-60 parts of flame retardant, 30-70 parts of MDI/TDI, 0.5-5 parts of high-efficiency foam stabilizer, 0.1-1.0 part of high-efficiency composite catalyst, 0-6 parts of external foaming agent and 1-5 parts of water.
Wherein,
the high-efficiency foam stabilizer is an organic silicon foam stabilizer or a polysiloxane-polyoxyalkylene mosaic copolymer, the high-efficiency composite catalyst is a tin catalyst or an amine catalyst, the external foaming agent is dichloromethane, the flame retardant is prepared by mixing a phosphorus-containing flame retardant and a nitrogen-containing flame retardant, the raw materials are respectively arranged in respective raw material barrels, the raw materials are respectively conveyed to a foaming machine head through respective pipelines to be mixed and stirred, so that polyether polyol and MDI/TDI are polymerized, a matched motor is arranged in each raw material barrel, and the raw materials are conveyed to the foaming machine head through the pipelines by providing power through the rotation of the motor.
S2 foaming: the foaming machine head is used for carrying out open continuous low-pressure flat foam foaming, polymerized materials are sprayed to a falling plate arranged at the discharging end of the foaming machine through a foaming nozzle of the foaming machine, a conveying belt is arranged on the rear side of the falling plate, kraft paper is laid on the falling plate, the foaming nozzle sprays foam onto the kraft paper, the kraft paper moves forwards along with the conveying belt, the foam is driven to move forwards together, the foam is conveyed while foaming is carried out, and during foaming, the temperature of the foaming machine head is adjusted through an air conditioner arranged on the upper side of the foaming machine in advance, so that the temperature required by foaming is provided.
S3 shaping: the foam after the foaming is carried on the conveyer belt, is provided with the side board of vertical setting in the both sides of conveyer belt, and the side board is carried out horizontal migration by independent linear actuator drive to adjust the width of foam. In this embodiment, the linear actuator may be a hydraulic ram, an electric ram, or the like.
The foam density is controlled by the control of the input amount of the raw materials and the matching of the conveying speed of the conveying belt, the control of the input amount of the raw materials is adjusted by the motors in the raw material barrels, the control of the conveying speed of the conveying belt is adjusted by the motor driving the conveying belt to work, and the normal conveying speed of the conveying belt is 2m/min-5 m/min.
The falling plate is formed by assembling a plurality of plates together, each plate is driven by a corresponding linear driver to lift up and down, and the expansion potential of the sponge is controlled, so that the top height of the foam and the radian of the top end face of the foam are controlled. In this embodiment, the linear actuator may be a hydraulic ram, an electric ram, or the like.
When the foam is shaped, the width, the density, the height and the top surface shape of the foam are controlled in many aspects through the control in many aspects such as the conveying speed of a side panel and a conveying belt, the input quantity control of raw materials, the lifting height of a falling plate, the plate type of the falling plate and the like, so that the requirements can be met after the foam is shaped, and the subsequent secondary shaping is reduced.
S4 cutting: and the foam conveyed on the conveying belt is shaped, solidified and shaped, and finally cut into the required memory foam product in a special shape by a sponge cutting machine.
According to BS5852 flame retardant test standards, the flame retardant memory foam prepared by the processing method of the invention, the traditional memory foam without flame retardant and the memory foam with single phosphorus flame retardant or nitrogen flame retardant are subjected to flame retardant test, two samples with specifications of 45 x 7.5cm and 30 x 45 x 7.5cm are respectively selected for test, two samples are prepared for each specification, a combustion test is carried out in a test box, the loss condition of the sponge is observed after 10min after the combustion is started, the memory foam without flame retardant can be continuously combusted after 10min, the memory foam with single phosphorus flame retardant or nitrogen flame retardant is extinguished within 7-8min, the loss gram weight reaches more than 100g, the memory foam of the invention can be extinguished within 4min, and the loss gram weight is less than 60g, therefore, compared with the traditional memory foam without the flame retardant and the memory foam singly added with the phosphorus-containing flame retardant or the nitrogen-containing flame retardant, the memory foam provided by the invention has excellent flame retardant performance.
According to the processing method, the memory foam is prepared by matching the working procedures of mixing, foaming, shaping, cutting and the like, the flame retardant is added into the raw materials to achieve the purpose of flame retardance of the memory foam, and meanwhile, the added flame retardant is a composite flame retardant prepared by mixing a phosphorus-containing flame retardant and a nitrogen-containing flame retardant to further improve the flame retardance effect of the memory foam, so that the finally produced memory foam has excellent flame retardance.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A preparation method of flame-retardant non-temperature-sensitive memory foam is characterized by comprising the following steps: comprises the following steps
S1 mixing: firstly, determining raw materials for preparing the flame-retardant non-temperature-sensitive memory foam, wherein the raw materials comprise polyether polyol, a flame retardant, MDI/TDI, a high-efficiency foam stabilizer, a high-efficiency composite catalyst, an external foaming agent and water, the flame retardant is prepared by mixing a phosphorus-containing flame retardant and a nitrogen-containing flame retardant, the raw materials are respectively arranged in respective raw material barrels, and the raw materials are respectively conveyed to a foaming machine head through respective pipelines to be mixed and stirred so that the polyether polyol and the MDI/TDI are polymerized;
s2 foaming: the foaming machine head is used for carrying out open continuous low-pressure flat foam foaming, the polymerized material is sprayed onto a falling plate arranged at the discharge end of the foaming machine through a foaming nozzle of the foaming machine, a conveying belt is arranged on the rear side of the falling plate, kraft paper is laid on the falling plate, the foaming nozzle sprays the foam onto the kraft paper, the kraft paper moves forwards along with the conveying belt so as to drive the foam to move forwards together, the foam is conveyed while foaming, and during foaming, the temperature of the foaming machine head is adjusted through an air conditioner arranged on the upper side of the foaming machine in advance so as to provide the temperature required by foaming;
s3 shaping: the foamed foam is conveyed on a conveying belt, side panels which are vertically arranged are arranged on two sides of the conveying belt and are driven by independent linear drivers to move horizontally, and therefore the width of the foam is adjusted; the density of the foam is controlled by controlling the input amount of the raw materials and matching the conveying speed of the conveying belt; the falling plate is formed by assembling a plurality of plates together, and each plate is driven by a corresponding linear driver to lift up and down, so that the top height of the foam and the radian of the top end surface of the foam are controlled;
s4 cutting: and the foam conveyed on the conveying belt is shaped, solidified and shaped, and finally cut into the required memory foam product in a special shape by a sponge cutting machine.
2. The preparation method of the flame-retardant non-temperature-sensitive memory foam according to claim 1, which is characterized in that: the high-efficiency foam stabilizer is an organic silicon foam stabilizer or polysiloxane-polyoxyalkylene mosaic copolymer.
3. The preparation method of the flame-retardant non-temperature-sensitive memory foam according to claim 1, which is characterized in that: the high-efficiency composite catalyst is a tin catalyst or an amine catalyst.
4. The preparation method of the flame-retardant non-temperature-sensitive memory foam according to claim 1, which is characterized in that: the external foaming agent is dichloromethane.
5. The preparation method of the flame-retardant non-temperature-sensitive memory foam according to claim 1, which is characterized in that: the raw materials comprise the following components in parts by weight: 90-110 parts of polyether polyol, 10-60 parts of flame retardant, 78-70 parts of MDI/TDI30, 0.5-5 parts of high-efficiency foam stabilizer, 0.1-1.0 part of high-efficiency composite catalyst, 0-6 parts of external foaming agent and 1-5 parts of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345525.5A CN113942160A (en) | 2021-11-15 | 2021-11-15 | Preparation method of flame-retardant non-temperature-sensitive memory foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345525.5A CN113942160A (en) | 2021-11-15 | 2021-11-15 | Preparation method of flame-retardant non-temperature-sensitive memory foam |
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| Publication Number | Publication Date |
|---|---|
| CN113942160A true CN113942160A (en) | 2022-01-18 |
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| CN202111345525.5A Pending CN113942160A (en) | 2021-11-15 | 2021-11-15 | Preparation method of flame-retardant non-temperature-sensitive memory foam |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417885A (en) * | 2017-08-28 | 2017-12-01 | 江苏绿源新材料有限公司 | Biomass-based flame-retardant polyurethane flexible sponge foam and preparation method thereof |
| CN108395515A (en) * | 2018-04-03 | 2018-08-14 | 江苏中昌绝热技术工程有限公司 | A kind of fire-retardant polysiocyanurate rigid foams and preparation method thereof |
| CN111662429A (en) * | 2020-06-24 | 2020-09-15 | 苏州市天利海绵有限公司 | Qi feeling memory foam and production method thereof |
| CN112011170A (en) * | 2020-09-11 | 2020-12-01 | 浙江派森智能家具股份有限公司 | High-flame-retardance slow-rebound memory polyurethane sponge and processing technology thereof |
| CN112608446A (en) * | 2020-12-15 | 2021-04-06 | 梦百合家居科技股份有限公司 | Fresh polyurethane sponge based on tea polyphenol |
-
2021
- 2021-11-15 CN CN202111345525.5A patent/CN113942160A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417885A (en) * | 2017-08-28 | 2017-12-01 | 江苏绿源新材料有限公司 | Biomass-based flame-retardant polyurethane flexible sponge foam and preparation method thereof |
| CN108395515A (en) * | 2018-04-03 | 2018-08-14 | 江苏中昌绝热技术工程有限公司 | A kind of fire-retardant polysiocyanurate rigid foams and preparation method thereof |
| CN111662429A (en) * | 2020-06-24 | 2020-09-15 | 苏州市天利海绵有限公司 | Qi feeling memory foam and production method thereof |
| CN112011170A (en) * | 2020-09-11 | 2020-12-01 | 浙江派森智能家具股份有限公司 | High-flame-retardance slow-rebound memory polyurethane sponge and processing technology thereof |
| CN112608446A (en) * | 2020-12-15 | 2021-04-06 | 梦百合家居科技股份有限公司 | Fresh polyurethane sponge based on tea polyphenol |
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