High-activity moisture-curing organosilicon-containing polymer component and preparation process thereof

Abstract

The invention relates to the technical field of silane modified polyether resin, and particularly discloses a high-activity moisture-curing organosilicon-containing polymer component and a preparation process thereof. The preparation process comprises the following steps: S1, treating polyether polyol for 1-3 hours at the temperature of 100-120 DEG C, cooling to 30-50 DEG C, adding organic polyisocyanate, and stirring and reacting for 2-4 hours at the temperature of 40-80 DEG C to obtain a hydroxyl-terminated prepolymer; s2, adding a moisture-curing silane end-capping agent, and reacting for 2-4 hours at 40-60 DEG C under the protection of an inert atmosphere to obtain the high-activity moisture-curing polymer component containing the organic silicon, the preparation method of the moisture-curing silane end-capping reagent comprises the following steps: uniformly mixing chloromethyl triethoxy silane, potassium cyanate, ethanol, DMF and octadecyl crown ether, heating to 120-125 DEG C, reacting for 11-12 hours, filtering, and rectifying to obtain a fraction, namely the moisture-curing silane end-capping reagent.

Description

Technical Field

[0001] The invention relates to the technical field of silane-modified polyether resins, and specifically discloses a highly active moisture-curable organic silicon-containing polymer component and a preparation process thereof. Background Art

[0002] Silane-terminated polyether resin is a technical product that uses a silane-terminated agent containing active groups to terminate polyether. It combines the dual advantages of silicone and polyurethane, has good weather resistance and colloid strength, and releases small molecule alcohol substances after curing, which is safe and environmentally friendly.

[0003] Silane-terminated polyether resin is often used to prepare silane-terminated polyether sealant. Compared with silicone glue, silane-terminated polyether sealant does not produce pungent odor when cured, and the surface can be painted; compared with polyurethane glue, silane-terminated polyether sealant has better weather resistance, does not contain free isocyanate, and does not contain organic solvents. This silane-terminated polyether sealant combines the advantages of silicone glue and polyurethane glue to the maximum extent, while avoiding the disadvantages of silicone glue and polyurethane glue, so it is widely used.

[0004] Conventional silane-terminated polyether resins use γ-silane as the silane, and require the use of organotin catalysts for curing, which may be harmful to the human body. Highly active wet-curing silicone polymer components use highly active α-silane, and do not require the use of metal tin catalytic curing. They have the advantages of strong adhesion, paintability, no volatilization of pollutants during curing, and good deep curing. They are especially suitable for the bonding and sealing of structural parts in home decoration, construction, industrial assembly, etc. Therefore, it is of great significance to develop a highly active wet-curing silicone polymer component with better performance and faster curing speed and a preparation method thereof. Summary of the invention

[0005] The object of the present invention is to provide a highly active moisture-curable silicone-containing polymer component and a preparation process thereof, so as to solve the problems raised in the prior art.

[0006] To achieve the above object, the present invention provides the following technical solution: A preparation process of a highly active moisture-curable silicone polymer component, comprising the following steps: S1: dehydrating and degassing a polyether polyol, cooling the temperature to 30-50° C., adding an organic polyisocyanate, and stirring the reaction at 40-80° C. for 2-4 hours to obtain a hydroxyl-terminated prepolymer;

[0007] S2: adding a moisture-curable silane end-capping agent, reacting at 40-60° C. for 2-4 hours under an inert atmosphere to obtain the highly active moisture-curable silicone-containing polymer component.

[0008] More optimally, the specific process of the dehydration and degassing treatment includes the following steps: treating at a temperature of 100-120° C. for 1-3 hours.

[0009] More optimally, the organic polyisocyanate includes one or more of toluene diisocyanate, diphenylmethane diisocyanate, hexamethylene diisocyanate, and isophorone diisocyanate.

[0010] More optimally, the organic polyisocyanate is hexamethylene diisocyanate (HDI), BASF.

[0011] More optimally, in the highly active moisture-curable silicone-containing polymer component, the amount of organic polyisocyanate added is 0.4-1.5% by weight of the polyether polyol; and the amount of moisture-curable silane capping agent added is 2-5% by weight of the hydroxyl-terminated prepolymer.

[0012] More optimally, the preparation of the moisture-curing silane capping agent includes the following steps: uniformly mixing chloromethyltriethoxysilane, potassium cyanate, ethanol, DMF, and octadecanoate crown ether, heating to 120-125° C. for reaction for 11-12 hours, filtering, and distilling to obtain the moisture-curing silane capping agent.

[0013] More optimally, the moisture-curing silane capping agent includes the following raw materials, calculated by mass: 100-120 parts of chloromethyltriethoxysilane, 50-60 parts of potassium cyanate, 6-8 parts of ethanol, 50-60 parts of DMF, and 1-2 parts of octadecanoate.

[0014] More optimally, the functionality of the polyether polyol is 2, and the number average molecular weight is 4000-20000.

[0015] More optimally, the polyether polyol is DL-8000 with a functionality of 2, provided by Shandong Bluestar Dongda Co., Ltd., and has a number average molecular weight of 8000.

[0016] More optimally, the polyether polyol includes DL-8000, four-arm-polyethylene glycol-epoxy, and modified polyethylene glycol in a mass ratio of (8-9): (0.5-0.8): (0.8-1). The preparation of the modified polyethylene glycol includes the following steps: take four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate, add them to a solvent and mix evenly, heat to 60-70°C, stir for 5-8h, remove the solvent, and obtain modified polyethylene glycol.

[0017] More optimally, in the modified polyethylene glycol, the molar ratio of four-arm-polyethylene glycol-epoxy to 3-amino-dimethyl phthalate is 1:(1.8-2).

[0018] More optimally, the highly active moisture-curable silicone-containing polymer component further comprises a catalyst N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane in an amount of 0.5 to 1% by weight of the highly active moisture-curable silicone-containing polymer component.

[0019] More optimally, after adding the catalyst N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane and mixing evenly and curing in air moisture for one week, the modulus of the obtained gel is 0.4mPa to 1mPa.

[0020] Compared with the prior art, the beneficial effects achieved by the present invention are: (1) the highly active moisture-curing silicone polymer component does not contain free isocyanate, can be cured without metal tin catalysis, and has fast deep curing; after the resin is cured, it releases small molecule alcohol substances, has low VOC emissions, is environmentally friendly and pollution-free, has strong adhesion to the substrate, can be painted, and has good mechanical properties.

[0021] In the scheme (2), DL-8000, four-arm-polyethylene glycol-epoxy group, and modified polyethylene glycol in a mass ratio of (8-9): (0.5-0.8): (0.8-1) are used to replace DL-8000; its advantages are: the four-arm-polyethylene glycol-epoxy group contains multiple functional groups that can participate in the reaction, which can increase the crosslinking degree of the polyether resin, thereby improving its mechanical properties; the modified polyethylene glycol is prepared from the four-arm-polyethylene glycol-epoxy group and 3-amino-dimethyl phthalate in a molar ratio of 1: (1.8-2), which plays a toughening role; and the polyethylene glycol has strong hydrophilicity and can accelerate the curing of the polyether resin;

[0022] The amount of the above substances added to the polyether resin needs to be strictly controlled. If too much four-arm-polyethylene glycol-epoxy is added, the degree of branching will be large, the viscosity will change significantly and the mechanical properties may be reduced. At the same time, excessive crosslinking will lead to a decrease in water absorption and a decrease in curing speed. If the amount of modified polyethylene glycol added is large, the mechanical properties may be reduced due to steric hindrance. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] The following parts are by mass unless otherwise specified;

[0025] Example 1: S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF, and 1 part of octadecanoic crown ether were mixed evenly, heated to 120° C. for reaction for 12 h, filtered, and the fraction after rectification was a moisture-curable silane capping agent;

[0026] S2: 1000 parts of polyether polyol DL-8000 were put into a reaction kettle, heated to 110°C, stirred, vacuumed and dehydrated for 3 hours, cooled to 40°C, added with 5.32 parts of hexamethylene isocyanate, and reacted and polymerized at a reaction temperature of 75°C for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0027] S3: Under nitrogen protection, 28.12 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 50° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0028] Example 2: S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF, and 1 part of octadecanoic crown ether were mixed evenly, heated to 120°C for reaction for 12 hours, filtered, and the fraction after rectification was a moisture-curable silane capping agent;

[0029] S2: 1000 parts of polyether polyol DL-8000 were put into a reaction kettle, heated to 110°C, stirred, vacuumed and dehydrated for 3 hours, cooled to 40°C, added with 5.3 parts of hexamethylene isocyanate, and reacted and polymerized at a reaction temperature of 70°C for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0030] S3: Under nitrogen protection, 42.06 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 50° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0031] Example 3: S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF, and 1 part of octadecanoic crown ether were mixed evenly, heated to 120°C for reaction for 12 hours, filtered, and the fraction after rectification was a moisture-curable silane capping agent;

[0032] S2: 1000 parts of polyether polyol DL-8000 were put into a reaction kettle, heated to 110°C, stirred, vacuumed and dehydrated for 3 hours, cooled to 40°C, and then 9.05 parts of hexamethylene isocyanate were added, and the reaction was carried out at a reaction temperature of 70°C for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0033] S3: Under nitrogen protection, 30.11 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 55° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0034] Example 4: S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF and 1 part of octadecanoic crown ether were mixed evenly, heated to 120°C for reaction for 12 hours, filtered, and the fraction after rectification was a moisture-curable silane capping agent;

[0035] S2: 1000 parts of polyether polyol DL-8000 were put into a reaction kettle, heated to 110°C, stirred, vacuumed and dehydrated for 3 hours, cooled to 40°C, and then 9.01 parts of hexamethylene isocyanate were added, and the reaction was carried out at a reaction temperature of 75°C for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0036] S3: Under nitrogen protection, 36.08 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 55° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0037] Example 5: S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF and 1 part of octadecanoic crown ether were mixed evenly, heated to 120°C for reaction for 12 hours, filtered, and the fraction after rectification was a moisture-curable silane capping agent;

[0038] S2: Take four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in a molar ratio of 1:2, mix them evenly in DMF with a mass of 10 times that of four-arm-polyethylene glycol-epoxy, heat to 65°C and stir for 6 hours, remove the solvent, and obtain modified polyethylene glycol; mix DL-8000, four-arm-polyethylene glycol-epoxy and modified polyethylene glycol in a mass ratio of 8.5:0.6:0.8 to obtain polyether polyol;

[0039] S3: 1000 parts of polyether polyol were put into a reaction kettle, heated to 110° C., stirred, vacuumed and dehydrated for 3 hours, cooled to 40° C., added with 9.01 parts of hexamethylene isocyanate, and reacted and polymerized at a reaction temperature of 75° C. for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0040] S4: Under nitrogen protection, 36.08 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 55° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0041] Comparative Example 1 (changing the mass ratio of DL-8000, four-arm-polyethylene glycol-epoxy, and modified polyethylene glycol, and the remaining method steps are consistent with Example 5): S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF, and 1 part of octadecanoic crown ether are mixed uniformly, heated to 120° C. for reaction for 12 h, filtered, and the fraction after rectification is a moisture-curing silane capping agent;

[0042] S2: Take four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in a molar ratio of 1:2, mix them evenly in DMF with a mass of 10 times that of four-arm-polyethylene glycol-epoxy, heat to 65°C and stir for 6 hours, remove the solvent to obtain modified polyethylene glycol; mix DL-8000, four-arm-polyethylene glycol-epoxy and modified polyethylene glycol in a mass ratio of 8.5:1:0.5 to obtain polyether polyol;

[0043] S3: 1000 parts of polyether polyol were put into a reaction kettle, heated to 110° C., stirred, vacuumed and dehydrated for 3 hours, cooled to 40° C., added with 9.01 parts of hexamethylene isocyanate, and reacted and polymerized at a reaction temperature of 75° C. for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0044] S4: Under nitrogen protection, 36.08 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 55° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0045] Comparative Example 2 (changing the mass ratio of DL-8000, four-arm-polyethylene glycol-epoxy, and modified polyethylene glycol, and the remaining method steps are consistent with Example 5): S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF, and 1 part of octadecanoic crown ether are mixed uniformly, heated to 120° C. for reaction for 12 h, filtered, and the fraction after rectification is a moisture-curing silane capping agent;

[0046] S2: Take four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in a molar ratio of 1:2, mix them evenly in DMF with a mass of 10 times that of four-arm-polyethylene glycol-epoxy, heat to 65°C and stir for 6 hours, remove the solvent, and obtain modified polyethylene glycol; mix DL-8000, four-arm-polyethylene glycol-epoxy and modified polyethylene glycol in a mass ratio of 8.5:0.3:1.2 to obtain polyether polyol;

[0047] S3: 1000 parts of polyether polyol were put into a reaction kettle, heated to 110° C., stirred, vacuumed and dehydrated for 3 hours, cooled to 40° C., added with 9.01 parts of hexamethylene isocyanate, and reacted and polymerized at a reaction temperature of 75° C. for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0048] S4: Under nitrogen protection, 36.08 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 55° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0049] Comparative Example 3 (changing the mass ratio of DL-8000, four-arm-polyethylene glycol-epoxy, and modified polyethylene glycol, and the other method steps are consistent with Example 5): S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF, and 1 part of octadecanoic crown ether are mixed uniformly, heated to 120° C. for reaction for 12 hours, filtered, and the fraction after rectification is a moisture-curing silane capping agent;

[0050] S2: Take four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in a molar ratio of 1:2, mix them evenly in DMF with a mass of 10 times that of four-arm-polyethylene glycol-epoxy, heat to 65°C and stir for 6 hours, remove the solvent, and obtain modified polyethylene glycol; mix DL-8000, four-arm-polyethylene glycol-epoxy and modified polyethylene glycol in a mass ratio of 7.5:1:1 to obtain polyether polyol;

[0051] S3: 1000 parts of polyether polyol were put into a reaction kettle, heated to 110° C., stirred, vacuumed and dehydrated for 3 hours, cooled to 40° C., added with 9.01 parts of hexamethylene isocyanate, and reacted and polymerized at a reaction temperature of 75° C. for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0052] S4: Under nitrogen protection, 36.08 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 55° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0053] Comparative Example 4 (changing the mass ratio of four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in the modified polyethylene glycol, and the other method steps are consistent with Example 5): S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF, and 1 part of octadecanoic crown ether are mixed uniformly, heated to 120° C. for 12 hours, filtered, and the fraction after rectification is a moisture-curing silane capping agent;

[0054] S2: Take four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in a molar ratio of 1:1, mix them evenly in DMF with a mass of 10 times that of four-arm-polyethylene glycol-epoxy, heat to 65°C and stir for 6 hours, remove the solvent, and obtain modified polyethylene glycol; mix DL-8000, four-arm-polyethylene glycol-epoxy and modified polyethylene glycol in a mass ratio of 8.5:0.6:0.8 to obtain polyether polyol;

[0055] S3: 1000 parts of polyether polyol were put into a reaction kettle, heated to 110° C., stirred, vacuumed and dehydrated for 3 hours, cooled to 40° C., added with 9.01 parts of hexamethylene isocyanate, and reacted and polymerized at a reaction temperature of 75° C. for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0056] S4: Under nitrogen protection, 36.08 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 55° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0057] Comparative Example 5 (changing the mass ratio of four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in the modified polyethylene glycol, and the other method steps are consistent with Example 5): S1: 100 parts of chloromethyltriethoxysilane, 50 parts of potassium cyanate, 6 parts of ethanol, 50 parts of DMF, and 1 part of octadecanoic crown ether are mixed uniformly, heated to 120° C. for reaction for 12 hours, filtered, and the fraction after rectification is a moisture-curing silane capping agent;

[0058] S2: Take four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in a molar ratio of 1:3, mix them evenly in DMF with a mass of 10 times that of four-arm-polyethylene glycol-epoxy, heat to 65°C and stir for 6 hours, remove the solvent, and obtain modified polyethylene glycol; mix DL-8000, four-arm-polyethylene glycol-epoxy and modified polyethylene glycol in a mass ratio of 8.5:0.6:0.8 to obtain polyether polyol;

[0059] S3: 1000 parts of polyether polyol were put into a reaction kettle, heated to 110° C., stirred, vacuumed and dehydrated for 3 hours, cooled to 40° C., added with 9.01 parts of hexamethylene isocyanate, and reacted and polymerized at a reaction temperature of 75° C. for 3 hours to obtain a hydroxyl-terminated prepolymer;

[0060] S4: Under nitrogen protection, 36.08 parts of moisture-curable silane capping agent were added to the hydroxyl-terminated prepolymer obtained in step S2, and the mixture was reacted at 55° C. for 3 hours to obtain a highly active moisture-curable silicone-containing polymer component.

[0061] In the above embodiments, the test methods used are conventional methods unless otherwise specified; the raw materials used are commercially available unless otherwise specified, and the sources of the raw materials are as follows: chloromethyltriethoxysilane (CAS: 15267-95-5); potassium cyanate (CAS: 590-28-3); ethanol (CAS: 64-17-5); DMF (CAS: 68-12-2); octadecanoic acid crown ether (CAS: 17455-13-9); four-arm-polyethylene glycol-epoxy (molecular weight 2k, Xi'an Kaixin Biotechnology Co., Ltd.); 3-amino-dimethyl phthalate (S98852, Shanghai Yuanye).

[0062] Experiment (1): Take the highly active moisture-curable silicone polymer components prepared in Examples 1 to 4, add 0.6% of the total mass of the catalyst and mix them evenly. At 25° C., measure the viscosity, the surface drying time, the hardness and the tensile strength of the gel obtained after one week of moisture curing in air. The test results are shown in Table 1.

[0063] Table 1:

[0064]

[0065] (2) Based on Example 4, DL-8000 was replaced with DL-8000, four-arm-polyethylene glycol-epoxy group, and modified polyethylene glycol in a mass ratio of 8.5:0.6:0.8 to obtain Example 5; Take Example 5, the highly active moisture-curable silicone-containing polymer component prepared in Comparative Examples 1 to 5, add 0.6% of the total mass of the catalyst and mix evenly, cure in air moisture at 25°C for one week, test the surface drying time and tensile strength, and the test results are shown in Table 2;

[0066] Table 2:

[0067]

[0068] Conclusion: Comparative Examples 1 to 3 change the mass ratio of DL-8000, four-arm-polyethylene glycol-epoxy, and modified polyethylene glycol, and the performance is not as good as the embodiment. This shows that the ratio of each substance in the polyether polyol is of great significance; Comparative Examples 4 to 5 change the mass ratio of four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate in the modified polyethylene glycol. Due to the structural change, the performance decreases, which shows the importance of controlling the ratio; In summary, the high-activity moisture-curing silicone-containing polymer component prepared by the present invention has good mechanical properties, fast curing speed, good viscosity and is environmentally friendly.

[0069] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention.

Claims

1. A process for preparing a highly active moisture-curable silicone polymer component, characterized in that: The following steps are involved: S1: dehydrating and degassing the polyether polyol, cooling the temperature to 30-50° C., adding an organic polyisocyanate, and stirring the reaction at 40-80° C. for 2-4 hours to obtain a hydroxyl-terminated prepolymer; S2: adding a moisture-curable silane capping agent, reacting at 40-60° C. for 2-4 hours under an inert atmosphere to obtain the highly active moisture-curable silicone-containing polymer component.

2. The process for preparing a highly active moisture-curable silicone-containing polymer component according to claim 1, characterized in that: In the highly active moisture-curable silicone-containing polymer component, the added amount of organic polyisocyanate is 0.4-1.5% of the mass of polyether polyol; and the added amount of moisture-curable silane end-capping agent is 2-5% of the mass of hydroxyl-terminated prepolymer.

3. The process for preparing a highly active moisture-curable silicone-containing polymer component according to claim 1, characterized in that: The preparation of the moisture-curable silane capping agent comprises the following steps: uniformly mixing chloromethyltriethoxysilane, potassium cyanate, ethanol, DMF and octadecanoate crown ether, heating to 120-125° C. for reaction for 11-12 hours, filtering, and rectifying the fraction to obtain the moisture-curable silane capping agent.

4. The process for preparing a highly active moisture-curable silicone-containing polymer component according to claim 3, characterized in that: The moisture curing silane capping agent comprises the following raw materials, calculated by weight: 100-120 parts of chloromethyltriethoxysilane, 50-60 parts of potassium cyanate, 6-8 parts of ethanol, 50-60 parts of DMF, and 1-2 parts of octadecanoic crown ether.

5. The process for preparing a highly active moisture-curable silicone-containing polymer component according to claim 1, characterized in that: The functionality of the polyether polyol is 2, and the number average molecular weight is 4000-20000.

6. The process for preparing a highly active moisture-curable silicone-containing polymer component according to claim 5, characterized in that: The polyether polyol is DL-8000 with a functionality of 2 and a number average molecular weight of 8000.

7. The process for preparing a highly active moisture-curable silicone-containing polymer component according to claim 1, characterized in that: The polyether polyol comprises DL-8000, four-arm-polyethylene glycol-epoxy group, and modified polyethylene glycol in a mass ratio of (8-9): (0.5-0.8): (0.8-1), and the preparation of the modified polyethylene glycol comprises the following steps: Take four-arm-polyethylene glycol-epoxy and 3-amino-dimethyl phthalate, add them into the solvent and mix them evenly, raise the temperature to 60-70° C., stir for 5-8 hours, remove the solvent, and obtain modified polyethylene glycol.

8. The process for preparing a highly active moisture-curable silicone-containing polymer component according to claim 7, characterized in that: In the modified polyethylene glycol, the molar ratio of four-arm-polyethylene glycol-epoxy group to 3-amino-dimethyl phthalate is 1:(1.8-2).

9. The process for preparing a highly active moisture-curable silicone-containing polymer component according to claim 1, characterized in that: The catalyst N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane is further added to the highly active moisture-curable silicone-containing polymer component, accounting for 0.5-1% of the total mass of the highly active moisture-curable silicone-containing polymer component.

10. A highly active moisture-curable organic silicon-containing polymer component prepared by the process for preparing a highly active moisture-curable organic silicon-containing polymer component according to any one of claims 1 to 9.

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