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CN109867808A - A kind of high rebound foam organic silicon surfactant and preparation method - Google Patents

A kind of high rebound foam organic silicon surfactant and preparation method Download PDF

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Publication number
CN109867808A
CN109867808A CN201811579936.9A CN201811579936A CN109867808A CN 109867808 A CN109867808 A CN 109867808A CN 201811579936 A CN201811579936 A CN 201811579936A CN 109867808 A CN109867808 A CN 109867808A
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organic silicon
preparation
value
high rebound
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黄登登
唐雄峰
平翔林
王伟伟
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NANJING MAYSTA CHEMICAL CO Ltd
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NANJING MAYSTA CHEMICAL CO Ltd
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Abstract

The invention discloses a kind of high rebound foam organic silicon surfactant and preparation methods, belong to technical field of surfactant, solve the problems, such as polyurethane high resilience foam Miscibility in the prior art and polyurethane foam surface and dimensional stability.The containing hydrogen silicone oil that the present invention passes through two kinds of different structures of design, the allyl polyether different from molecular weight reacts to obtain the organic silicon modified by polyether surfactant of two kinds of different structures, regulate and control the ratio of different component, to realize the opening of polyurethane high resilience foam body and the balance of stability, to meeting high resilience polyurethane foam to the particular/special requirement of volume, ventilation, shearing, surface and dimensional stability, the problem of effective solution surface and the dimensional stability of Miscibility and polyurethane foam.

Description

A kind of high rebound foam organic silicon surfactant and preparation method
Technical field
The present invention relates to a kind of surfactants and preparation method thereof, more particularly to a kind of high rebound foam organosilicon Surfactant and preparation method, belong to technical field of surfactant.
Background technique
High resilience polyurethane foam (HR) is the foamed plastics of a kind of function admirable, and development is rapid at present, It is widely used.The product is characterized in: have the characteristics that it is light, spring back, sound-absorbing damping, while also with the hand as latex Sense, initial feel soft comfortable when further compression, and can provide solid and limber support, be a kind of ideal Paving, cushion material, therefore it is largely used to seat, the back cushion, headrest of the production vehicles (automobile, train, aircraft etc.).
In high-rebound polyurethane foaming process, surfactant play the role of it is very important, to the abscess of foam Mobility, foam smell when the adjustment of structure, foaming etc. have more apparent effect, especially in the knot for adjusting abscess Structure and percent opening, while improving the compatibility of system.
In order to meet and widen all kinds of property need of the organic silicon surfactant in terms of high resilience polyurethane foam It asks, it is increasing as the research of the modified silicon oil of raw material using containing hydrogen silicone oil, currently used for preparing high resilience polyurethane foam body Silicone surfactant is generally dimethyl silicone polymer, organic functional dimethyl silicone polymer or polyether silicon copolymerization Object.
Chinese patent CN105860084 reports a kind of organic silicon surfactant of low volatility, by containing hydrogen silicone oil with At least one allyl ethyl polyethylene-oxide ether is prepared by hydrosilylation.By designing the structure of containing hydrogen silicone oil, alkene The structure of propyl polyethylene glycol oxide ether realizes the opening of polyurethane moulding high rebound foam body and the balance of stability jointly; Chinese patent CN1294141 report it is a kind of for producing the silicone surfactant of open-cell polyurethane flexible foam, should Surfactant main component is dimethyl silicone polymer composition containing, and wherein dimethyl silicone polymer molecule content is at least 90%;United States Patent (USP) US4347330 is disclosed using including a kind of polysiloxane-polyoxyalkylene copolymer, a kind of poly- methyl silicon Oxygen alkane and a kind of three kinds of pore regulators of the polyether polyhydroxy-compound pore regulator containing polyoxyethylene group prepare high rebound The aperture flexible polyurethane foam of power;United States Patent (USP) US4139503 disclose using special silicone components prepare it is high-elastic Property, aperture polyurethane foam, wherein using polyether polyol as solvent, active component siloxanes ratio is 0.01-2%, should Patent only lists the embodiment of dimethyl silicone polymer.
Above-mentioned report mostly using dimethyl silicone polymer as cell opener, due to dimethyl silicone polymer hydrophobicity compared with By force, poor with Miscibility, the surfactant that especially Chinese patent CN1294141 is reported is with dimethyl silicone polymer Main component, and chain number n is 5-7, more demanding for component structure, controllable range is relatively narrow, limits its scope of application. Simultaneously with high rebound foam in different products multiple demands, single organic silicon modified by polyether surfactant is It is not able to satisfy high resilience polyurethane foam to the particular/special requirement of volume, ventilation, shearing, surface and dimensional stability.
Summary of the invention
The main object of the present invention is to solve polyurethane high resilience foam Miscibility and polyurethane foam in the prior art The problem of foam body surface face and dimensional stability, and a kind of high rebound foam organic silicon surfactant preparation method is provided.
The purpose of the present invention can reach by using following technical solution:
A kind of high rebound foam organic silicon surfactant foams for polyurethane high resilience foam, the surface-active Agent is grouped as by tri- kinds of groups of A, B, C, wherein shown in the structural formula of component A following (1):
In structural formula (1): the value that the value of m is 2~15, n is 1~10, and the value of m+n is 3~15;
The structure of R are as follows:-CH2CH2CH2O(CH2CH2O)a(CH2CH(CH3)O)bR1, the value that wherein value of a is 1~7, b is 0 The value of~7, a+b are the alkyl that 1~10, R1 is 1~4 carbon atom number;
Wherein, shown in the structural formula following (2) of B component:
In structural formula (2): the value that the value of m is 1~25, n is 1~15, and the value of m+n is 2~25;
The structure of R are as follows:-CH2CH2CH2O(CH2CH2O)a(CH2CH(CH3)O)bR2, the value that the value of a is 0~20, b is 1~ 20, a+b value is the alkyl that 1~20, R2 is 1~4 carbon atom number;
Wherein, component C is the copolymer with the terminal hydroxyl as derived from polyol.
The usage percentage of component A is 20-40%, and the usage percentage of B component is 20-40%, the dosage percentage of component C Than for 20-60%.
Component C is the copolymer with the terminal hydroxyl as derived from polyol, and polyol is low molecule Weight polyalcohol, including ethylene glycol, propylene glycol, 1,3-BDO, 1,4-butanediol, 1,6- hexylene glycol, neopentyl glycol, diethylene glycol (DEG) and Dipropylene glycol.
A kind of preparation method of high rebound foam organic silicon surfactant, includes the following steps:
Step 1: containing hydrogen silicone oil preparation
Using octamethylcy-clotetrasiloxane, high containing hydrogen silicone oil and hexamethyldisiloxane as raw material, in acidic catalyst effect Under, under the conditions of reaction temperature is 30~90 DEG C, 5~8h is reacted, the containing hydrogen silicone oil of different structure is obtained;
Step 2: the preparation of component A and component B
Allyl polyether, chloroplatinic acid catalyst, the co-catalysis of above-mentioned resulting at least one containing hydrogen silicone oil and different structure Agent is added in reactor, and normal pressure is warming up to 90-160 DEG C, reacts 2~8h, obtains two kinds of organic silicon modified by polyether surfactants: Component A and B;
Step 3: the preparation of high rebound foam organic silicon surfactant
Resulting component A and B and component C are mixed according to different weight ratio, obtain high rebound foam with organic Silicon surface active agent.
In step 1, acidic catalyst is at least one of Emathlite, sulfuric acid, trifluoromethanesulfonic acid and acidic resins.
Acidic catalyst is sulfuric acid, and dosage is the 1~2% of quality of material used.
In step 2, chloroplatinic acid catalyst is platinum catalyst, and platinum dosage is the 3-20ppm of material total amount.
In step 2, co-catalyst be diethanol amine, triethanolamine, acetamide, triethylamine and N- butylethanolamine in extremely Few one kind.
Co-catalyst dosage is 3~80ppm of material total amount.
In step 3, the weight percent of component A is 20-40%, and the weight percent of component B is 20-40%, component C's Weight percent is 20-60%.
Advantageous effects of the invention:
A kind of high rebound foam organic silicon surfactant preparation method provided by the invention, by designing two kinds not Isostructural containing hydrogen silicone oil, the allyl polyether different from molecular weight react to obtain the organic silicon modified by polyether of two kinds of different structures Surfactant regulates and controls the ratio of different component, the opening of Lai Shixian polyurethane high resilience foam body and the balance of stability, To meet high resilience polyurethane foam to the particular/special requirement of volume, ventilation, shearing, surface and dimensional stability, effective solution The problem of surface and dimensional stability of Miscibility and the polyurethane foam of having determined.
Specific embodiment
To make the more clear and clear technical solution of the present invention of those skilled in the art, the present invention is made below further Detailed description, embodiments of the present invention are not limited thereto.
Embodiment 1:
(1) component A1Synthesis
By 94.93g octamethylcy-clotetrasiloxane, 51.71g high containing hydrogen silicone oil and 33.36g hexamethyldisiloxane in dense sulphur Under acid effect, 30 DEG C of reaction 7h obtain containing hydrogen silicone oil.
Reactor is added in containing hydrogen silicone oil obtained by 50g and 64.07g allyl polyether, in 6ppm chloroplatinic acid catalyst and Under the conditions of 100ppm diethanol amine co-catalyst, it is warming up to 120 DEG C under normal pressure, reacts 3h, obtains component A1, molecular formula are as follows:
Si(CH3)3-O-[Si(CH3)2-O]5·7-[Si(CH3)R-O]3·6-Si(CH3)3
Wherein, R=-CH2CH2CH2O(CH2CH2O)2(CH2CH(CH3)O)1CH3
(2) component B1Synthesis
By 116.06g octamethylcy-clotetrasiloxane, 33.37g high containing hydrogen silicone oil and 30.57g hexamethyldisiloxane dense Under effect of sulfuric acid, 30 DEG C of reaction 7h obtain containing hydrogen silicone oil.
Reactor is added in containing hydrogen silicone oil, 76.86g allyl polyether obtained by 40g, in 6ppm chloroplatinic acid catalyst and Under the conditions of 100ppm diethanol amine co-catalyst, it is heated to 120 DEG C under normal pressure, reacts 3h, obtains component B1, molecular formula Are as follows:
Si(CH3)3-O-[Si(CH3)2-O]7.8-[Si(CH3)R-O]2.6-Si(CH3)3
Wherein, R=-CH2CH2CH2O(CH2CH2O)2(CH2CH(CH3)O)6CH3
(3) preparation of high rebound foam organic silicon surfactant
By component A1And B1With component C1(C1Make the polyether polyol of initiator, molecular weight 2000 for propylene glycol) it carries out Different proportion mixes, and stirs 1h under the conditions of 30 DEG C of temperature, obtains high rebound foam organic silicon surfactant.
Embodiment 2:
(1) component A2Synthesis
By 88.13g octamethylcy-clotetrasiloxane, 39.09g high containing hydrogen silicone oil and 52.78g hexamethyldisiloxane in dense sulphur Under acid effect, 30 DEG C of reaction 7h obtain containing hydrogen silicone oil.
Reactor is added in containing hydrogen silicone oil obtained by 55g and 53.29g allyl polyether, in 6ppm chloroplatinic acid catalyst and Under the effect of 100ppm triethanolamine co-catalyst, normal heating is warming up to 110 DEG C of reaction 3.5h and obtains component A2, molecular formula are as follows:
Si(CH3)3-O-[Si(CH3)2-O]3.5-[Si(CH3)R-O]1.8-Si(CH3)3
Wherein, R=-CH2CH2CH2O(CH2CH2O)2(CH2CH(CH3)O)1CH3
(2) component B2Synthesis
By 113.62g octamethylcy-clotetrasiloxane, 31.7g high containing hydrogen silicone oil and 34.68g hexamethyldisiloxane in dense sulphur Under acid effect, 30 DEG C of reaction 7h obtain containing hydrogen silicone oil.
Reactor is added in containing hydrogen silicone oil, 73.05g allyl polyether obtained by 40g, in 6ppm chloroplatinic acid catalyst and Under the effect of 100ppm triethanolamine co-catalyst, it is heated to 110 DEG C of reaction 3.5h under normal pressure and obtains component B2, molecular formula Are as follows:
Si(CH3)3-O-[Si(CH3)2-O]6.8-[Si(CH3)R-O]2.2-Si(CH3)3
Wherein, R=-CH2CH2CH2O(CH2CH2O)2(CH2CH(CH3)O)6CH3
(3) preparation of high rebound foam organic silicon surfactant
By component A1And B1With component C1(C1Make the polyether polyol of initiator, molecular weight 2000 for propylene glycol) it carries out Different proportion mixes, and stirs 1h under the conditions of 30 DEG C of temperature, obtains high rebound foam organic silicon surfactant.
Embodiment 3:
(1) component A3Synthesis
By 91.59g octamethylcy-clotetrasiloxane, 43.26g high containing hydrogen silicone oil and 45.15g hexamethyldisiloxane in dense sulphur Under acid effect, 30 DEG C of reaction 7h obtain containing hydrogen silicone oil.
Reactor is added in containing hydrogen silicone oil, 61.97g allyl polyether obtained by 48g, in 6ppm chloroplatinic acid catalyst and Under the effect of 100ppm triethanolamine co-catalyst, 110 DEG C are heated under normal pressure, reaction 3.5h obtains component A3, molecular formula Are as follows:
Si(CH3)3-O-[Si(CH3)2-O]4.2-[Si(CH3)R-O]2.3-Si(CH3)3
Wherein, R=-CH2CH2CH2O(CH2CH2O)3(CH2CH(CH3)O)1CH3
(2) component B3Synthesis
By 109.46g octamethylcy-clotetrasiloxane, 42.36g high containing hydrogen silicone oil and 28.18g hexamethyldisiloxane dense Under effect of sulfuric acid, 30 DEG C of reaction 7h obtain containing hydrogen silicone oil.
Reactor is added in containing hydrogen silicone oil obtained by 30g and 75.21g allyl polyether, in 6ppm chloroplatinic acid catalyst and Under the effect of 100ppm triethanolamine co-catalyst, 110 DEG C are heated under normal pressure, reaction 3.5h obtains component B3, molecular formula Are as follows:
Si(CH3)3-O-[Si(CH3)2-O]7.8-[Si(CH3)R-O]3.5-Si(CH3)3
Wherein, R=-CH2CH2CH2O(CH2CH2O)1(CH2CH(CH3)O)7CH3
(3) preparation of high rebound foam organic silicon surfactant
By component A3And B3With component C3(C3Make the polyether polyol of initiator, molecular weight 2000 for propylene glycol) it carries out Different proportion mixes, and stirs 1h under the conditions of 30 DEG C of temperature, obtains high rebound foam organic silicon surfactant.
Embodiment 4:
(1) component A4Synthesis
By 74.12g octamethylcy-clotetrasiloxane, 30.44g high containing hydrogen silicone oil and 75.44g hexamethyldisiloxane in dense sulphur Under acid effect, 30 DEG C of reaction 7h obtain containing hydrogen silicone oil.
Reactor is added in 55g containing hydrogen silicone oil and 49.83g allyl polyether, in 6ppm chloroplatinic acid catalyst and 100ppm Under the effect of triethanolamine co-catalyst, 110 DEG C of reaction 3.5h obtain component A4, molecular formula are as follows:
Si(CH3)3-O-[Si(CH3)2-O]2.1-[Si(CH3)R-O]1-Si(CH3)3
Wherein, R=-CH2CH2CH2O(CH2CH2O)3(CH2CH(CH3)O)1CH3
(2) component B4Synthesis
By 109.63g octamethylcy-clotetrasiloxane, 39.4g high containing hydrogen silicone oil and 30.97g hexamethyldisiloxane in dense sulphur Under acid effect, 30 DEG C of reaction 7h obtain containing hydrogen silicone oil.
Reactor is added in 32g containing hydrogen silicone oil, 74.61g allyl polyether, in 6ppm chloroplatinic acid catalyst and 100ppm tri- Under the effect of ethanol amine co-catalyst, 110 DEG C are heated under normal pressure, reaction 3.5h obtains component B4, molecular formula are as follows:
Si(CH3)3-O-[Si(CH3)2-O]7.2-[Si(CH3)R-O]3-Si(CH3)3
Wherein, R=-CH2CH2CH2O(CH2CH2O)1(CH2CH(CH3)O)7CH3
(3) preparation of high rebound foam organic silicon surfactant
By component A4And B4With component C4(C4Make the polyether polyol of initiator, molecular weight 2000 for propylene glycol) it carries out Different proportion mixes, and stirs 1h under the conditions of 30 DEG C of temperature, obtains high rebound foam organic silicon surfactant.
In above-described embodiment 1-4, under the conditions of high rebound foam foaming formulation, obtains applying as shown in table 1- table 4 and comment Valence result:
1 embodiment 1 of table compounds sample applicating evaluating result
Remarks: abscess thickness is represented with "+", and "+" increases that represent abscess thicker.
2 embodiment 2 of table compounds sample applicating evaluating result
Remarks: abscess thickness is represented with "+", and "+" increases that represent abscess thicker.
3 embodiment 3 of table compounds sample applicating evaluating result
Remarks: abscess thickness is represented with "+", and "+" increases that represent abscess thicker.
4 embodiment 4 of table compounds sample applicating evaluating result
Remarks: abscess thickness is represented with "+", and "+" increases that represent abscess thicker.
In the present embodiment, it can be obtained in conjunction with above-mentioned evaluation result, when component C ratio is fixed, the component C of different proportion is corresponding System all has similar rule, and effective adjusting to abscess thickness may be implemented in the ratio by adjusting component A and component B, The opening of polyurethane high resilience foam body and the balance of stability may be implemented, to meet high resilience polyurethane foam to body Product, ventilation, shearing, surface and dimensional stability particular/special requirement, effective solution Miscibility and polyurethane foam The problem of surface and dimensional stability.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art With equivalent substitution or change, protection scope of the present invention is belonged to.

Claims (10)

1. a kind of high rebound foam organic silicon surfactant foams for polyurethane high resilience foam, which is characterized in that should Surfactant is grouped as by tri- kinds of groups of A, B, C, wherein shown in the structural formula of component A following (1):
In structural formula (1): the value that the value of m is 2~15, n is 1~10, and the value of m+n is 3~15;
The structure of R are as follows:-CH2CH2CH2O(CH2CH2O)a(CH2CH(CH3)O)bR1, the value that wherein value of a is 1~7, b is 0~7, a The value of+b is the alkyl that 1~10, R1 is 1~4 carbon atom number;
Wherein, shown in the structural formula following (2) of B component:
In structural formula (2): the value that the value of m is 1~25, n is 1~15, and the value of m+n is 2~25;
The structure of R are as follows:-CH2CH2CH2O(CH2CH2O)a(CH2CH(CH3)O)bR2, the value that the value of a is 0~20, b is 1~20, a+b Value be alkyl that 1~20, R2 is 1~4 carbon atom number;
Wherein, component C is the copolymer with the terminal hydroxyl as derived from polyol.
2. a kind of high rebound foam organic silicon surfactant as described in claim 1, which is characterized in that the use of component A Amount percentage is 20-40%, and the usage percentage of B component is 20-40%, and the usage percentage of component C is 20-60%.
3. a kind of high rebound foam organic silicon surfactant as described in claim 1, which is characterized in that component C is band There is the copolymer of the terminal hydroxyl as derived from polyol, polyol is low molecular weight polyols, including second two Alcohol, propylene glycol, 1,3 butylene glycol, 1,4- butanediol, 1,6-HD, neopentyl glycol, diethylene glycol (DEG) and dipropylene glycol.
4. a kind of preparation method of high rebound foam organic silicon surfactant as claimed in any one of claims 1-3, It is characterized by comprising the following steps:
Step 1: containing hydrogen silicone oil preparation
Using octamethylcy-clotetrasiloxane, high containing hydrogen silicone oil and hexamethyldisiloxane as raw material, under acidic catalyst effect, Under the conditions of reaction temperature is 30~90 DEG C, 5~8h is reacted, the containing hydrogen silicone oil of different structure is obtained;
Step 2: the preparation of component A and component B
Allyl polyether, chloroplatinic acid catalyst, the co-catalyst of above-mentioned resulting at least one containing hydrogen silicone oil and different structure add Enter in reactor, normal pressure is warming up to 90-160 DEG C, reacts 2~8h, obtains two kinds of organic silicon modified by polyether surfactants: component A and B;
Step 3: the preparation of high rebound foam organic silicon surfactant
Resulting component A and B and component C are mixed according to different weight ratio, obtain high rebound foam organosilicon table Face activating agent.
5. a kind of preparation method of high rebound foam organic silicon surfactant as claimed in claim 4, which is characterized in that In step 1, acidic catalyst is at least one of Emathlite, sulfuric acid, trifluoromethanesulfonic acid and acidic resins.
6. a kind of preparation method of high rebound foam organic silicon surfactant as claimed in claim 5, which is characterized in that Acidic catalyst is sulfuric acid, and dosage is the 1~2% of quality of material used.
7. a kind of preparation method of high rebound foam organic silicon surfactant as claimed in claim 4, which is characterized in that In step 2, chloroplatinic acid catalyst is platinum catalyst, and platinum dosage is the 3-20ppm of material total amount.
8. a kind of preparation method of high rebound foam organic silicon surfactant as claimed in claim 4, which is characterized in that In step 2, co-catalyst is at least one of diethanol amine, triethanolamine, acetamide, triethylamine and N- butylethanolamine.
9. a kind of preparation method of high rebound foam organic silicon surfactant as claimed in claim 8, which is characterized in that Co-catalyst dosage is 3~80ppm of material total amount.
10. a kind of preparation method of high rebound foam organic silicon surfactant as claimed in claim 4, feature exist In in step 3, the weight percent of component A is 20-40%, and the weight percent of component B is 20-40%, the weight of component C Percentage is 20-60%.
CN201811579936.9A 2018-12-24 2018-12-24 A kind of high rebound foam organic silicon surfactant and preparation method Pending CN109867808A (en)

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CN111013522A (en) * 2019-12-26 2020-04-17 江苏美思德化学股份有限公司 Alkyl polyether co-modified polysiloxane and continuous synthesis device and method thereof
CN111040229A (en) * 2019-12-27 2020-04-21 江苏美思德化学股份有限公司 Open-cell type organic silicon surfactant, preparation method and application thereof, and high-resilience foam
CN111040228A (en) * 2019-12-27 2020-04-21 江苏美思德化学股份有限公司 Surfactant, preparation method and application thereof, and polyurethane high-resilience foam
CN112662002A (en) * 2020-12-10 2021-04-16 江苏美思德化学股份有限公司 Foam stabilizer and preparation method and application thereof
CN112694617A (en) * 2020-12-28 2021-04-23 南京美思德新材料有限公司 Modified silicone oil, surfactant, preparation method and application thereof
CN113004528A (en) * 2019-12-20 2021-06-22 菁眸生物科技(上海)有限公司 Contact lens and surfactant for contact lens
CN113105664A (en) * 2021-03-17 2021-07-13 珠海东诚新材料股份有限公司 Polyurethane foam stabilizer
CN113307976A (en) * 2021-04-15 2021-08-27 佳化化学科技发展(上海)有限公司 Organic silicon hydrophilic auxiliary agent, polyurethane foam material and preparation method
CN113317315A (en) * 2021-05-31 2021-08-31 浙江润禾有机硅新材料有限公司 Low-foam organic silicon surfactant and preparation method and application thereof
CN113831857A (en) * 2021-10-20 2021-12-24 南京美思德新材料有限公司 Organic silicon surfactant and preparation method and application thereof
CN113929914A (en) * 2021-10-19 2022-01-14 南京美思德新材料有限公司 Organosilicon copolymer, preparation method and application thereof, polyurethane foam stabilizer and polyurethane foam
CN115888848A (en) * 2021-09-23 2023-04-04 上海都圣科技开发有限公司 A kind of hydrosilylation reaction catalyst configuration method with chloroplatinic acid as the main body

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CN113004528A (en) * 2019-12-20 2021-06-22 菁眸生物科技(上海)有限公司 Contact lens and surfactant for contact lens
CN111013522B (en) * 2019-12-26 2022-04-08 江苏美思德化学股份有限公司 Alkyl polyether co-modified polysiloxane and continuous synthesis device and method thereof
CN111013522A (en) * 2019-12-26 2020-04-17 江苏美思德化学股份有限公司 Alkyl polyether co-modified polysiloxane and continuous synthesis device and method thereof
CN111040229A (en) * 2019-12-27 2020-04-21 江苏美思德化学股份有限公司 Open-cell type organic silicon surfactant, preparation method and application thereof, and high-resilience foam
CN111040228A (en) * 2019-12-27 2020-04-21 江苏美思德化学股份有限公司 Surfactant, preparation method and application thereof, and polyurethane high-resilience foam
CN112662002A (en) * 2020-12-10 2021-04-16 江苏美思德化学股份有限公司 Foam stabilizer and preparation method and application thereof
CN112662002B (en) * 2020-12-10 2023-02-03 江苏美思德化学股份有限公司 Foam stabilizer and preparation method and application thereof
CN112694617A (en) * 2020-12-28 2021-04-23 南京美思德新材料有限公司 Modified silicone oil, surfactant, preparation method and application thereof
CN113105664A (en) * 2021-03-17 2021-07-13 珠海东诚新材料股份有限公司 Polyurethane foam stabilizer
CN113307976A (en) * 2021-04-15 2021-08-27 佳化化学科技发展(上海)有限公司 Organic silicon hydrophilic auxiliary agent, polyurethane foam material and preparation method
CN113317315A (en) * 2021-05-31 2021-08-31 浙江润禾有机硅新材料有限公司 Low-foam organic silicon surfactant and preparation method and application thereof
CN113317315B (en) * 2021-05-31 2022-06-24 浙江润禾有机硅新材料有限公司 Low-foam organic silicon surfactant and preparation method and application thereof
CN115888848A (en) * 2021-09-23 2023-04-04 上海都圣科技开发有限公司 A kind of hydrosilylation reaction catalyst configuration method with chloroplatinic acid as the main body
CN113929914A (en) * 2021-10-19 2022-01-14 南京美思德新材料有限公司 Organosilicon copolymer, preparation method and application thereof, polyurethane foam stabilizer and polyurethane foam
CN113929914B (en) * 2021-10-19 2022-10-14 南京美思德新材料有限公司 Organosilicon copolymer, preparation method and application thereof, polyurethane foam stabilizer and polyurethane foam
CN113831857A (en) * 2021-10-20 2021-12-24 南京美思德新材料有限公司 Organic silicon surfactant and preparation method and application thereof

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