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Single-component polyurethane foam joint mixture and preparation method thereof

A technology of polyurethane foam and caulking agent, which is applied in the fields of botanical equipment and methods, biocides, disinfectants, etc., can solve the problems of rooting and post-foaming that are not mentioned, so as to improve the utilization rate of fertilizers and promote vigorous growth. , the effect is obvious

Pending Publication Date: 2022-07-01
GUANGDONG SANVO CHEM IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Patent 201710621160.1 discloses a mold-proof and insect-repellent polyurethane-type caulking agent and its preparation method, using polyether polyol, aromatic isocyanate, flame retardant, catalyst, silicone oil, foaming agent, diatom mud, and mold-proof components , insect repellent components, etc., this invention provides a mold-proof and insect-repellent polyurethane sealant, none of the above patents mentions properties such as rooting and post-foaming

Method used

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  • Single-component polyurethane foam joint mixture and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] According to the proportion by weight, 0.5 part of indole butyric acid, 0.5 part of naphthalene acetic acid, and 0.5 part of gibberellin are mixed in proportion, and the rooting agent is obtained by microencapsulation; 0.5 part of dihydroxy-5,5'-dichlorodiphenylmethane, 0.5 part of 2,4,4'-trichloro-2'-hydroxydiphenyl ether, 0.5 part of silver ion-containing zirconium phosphate-based ceramic ion exchange resin and mixed to obtain a fungicide.

[0035] According to the weight distribution ratio, 36 parts of seed wrap wax, 2 parts of Yukol1030 polyether polyol, 5 parts of Voranol2070 polyether diol, 1 part of L-626 foam stabilizer, and 1 part of L-627 foam stabilizer were added to the reaction kettle in turn. , 0.5 part of DabcoBL-17 delayed catalyst, 0.5 part of Toyocat-NCD delayed catalyst, 1.5 part of fungicide, 1 part of camphor powder, 1 part of insecticide amidine, 1.5 part of rooting agent, stir well, and then the combined polyether can be prepared; press A certain...

Embodiment 2

[0037] According to the proportion by weight, 1 part of indole butyric acid, 1 part of naphthalene acetic acid, and 1 part of gibberellin are mixed in proportion, and the rooting agent is obtained after microencapsulation; - 1 part of dihydroxy-5,5'-dichlorodiphenylmethane, 1 part of 2,4,4'-trichloro-2'-hydroxydiphenyl ether, zirconium phosphate-based ceramic ion exchange resin containing silver ions 1 part was mixed to obtain a fungicide.

[0038] According to the weight distribution ratio, 39 parts of seed wrap, 3 parts of Yukol1030 polyether polyol, 6 parts of Voranol2070 polyether diol, 1.5 parts of L-626 foam stabilizer, 1.5 parts of L-620 foam stabilizer, 1 part of DabcoBL-17 delayed catalyst, 1 part of NiaxEF-700 delayed catalyst, 3 parts of bactericide, 1.5 parts of camphor powder, 1.5 parts of calcium arsenate, 3 parts of rooting agent, mix well, and then the combined polyether can be prepared; Proportion The combined polyether, 21 parts of polymerized MDI, 10 parts ...

Embodiment 3

[0040] According to the proportion by weight, 1.5 parts of indole butyric acid, 1.5 parts of naphthalene acetic acid, and 1.5 parts of gibberellin were mixed in proportion, and the rooting agent was obtained after microencapsulation; 1.5 parts of dihydroxy-5,5'-dichlorodiphenylmethane, 1.5 parts of 2,4,4'-trichloro-2'-hydroxydiphenyl ether, 1.5 parts of silver ion-containing zirconium phosphate-based ceramic ion exchange resin and mixed to obtain a fungicide.

[0041] According to the weight distribution ratio, 42 parts of seed wrap wax, 4 parts of Yukol1030 polyether polyol, 7 parts of Voranol2070 polyether diol, 2 parts of L-626 foam stabilizer, and 2 parts of L-620 foam stabilizer were added to the reaction kettle in turn. , 1.5 parts of Toyocat-NCD delay catalyst, 1.5 parts of NiaxEF-700 delay catalyst, 4.5 parts of bactericide, 2 parts of insecticide, 2 parts of calcium arsenate, 4.5 parts of rooting agent, mix well, and then the combined polyether can be obtained; The c...

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Abstract

The invention provides a single-component polyurethane foam joint mixture and a preparation method thereof, and is characterized in that the single-component polyurethane foam joint mixture comprises the following raw material components: 7-11 parts of mixed polyether, 2-4 parts of a foam stabilizer, 36-42 parts of seed wrapping wax, 1-3 parts of a catalyst, 1.5-4.5 parts of a bactericide, 2-4 parts of an insecticide, 1.5-4.5 parts of a rooting agent, 19-23 parts of polymerized MDI, and 20-24 parts of a propellant. The invention has the advantages that: 1, the product adopts a sterilization insecticide, so that corresponding agricultural crop plants are prevented from being damaged by bacteria, mildewing and diseases and pests; 2, the rooting agent is added, so that plant root growth is promoted, plants can absorb nutrients, and healthy and strong growth of the plants is promoted; 3, the slow-rebound polyether polyol and the delayed catalyst have a synergistic effect, a propellant with a slow volatilization speed is preferably selected, and the post-foaming effect is obvious; and 4, the seeds are coated with paraffin, thereby being environment-friendly, non-toxic and beneficial to improving the fertilizer utilization rate. The invention also discloses a preparation method of the single-component polyurethane foam joint mixture.

Description

technical field [0001] The invention belongs to the field of polyurethane foam gap fillers, and particularly relates to a single-component polyurethane foam gap filler for rooting agriculture, post-foaming, sterilization and insect removal, and a preparation method thereof. Background technique [0002] The full name of polyurethane foaming agent is one-component polyurethane foam caulking agent, commonly known as single-component foaming agent, PU-Foam, PU caulking agent, etc. It is a modern product of the cross-combination of aerosol potting technology and polyurethane foam technology. Specifically, it is a special polyurethane product filled with one-component polyurethane prepolymer, foaming agent, catalyst and other components in an aerosol can. When the material is sprayed from the aerosol can, the foamed polyurethane material will expand rapidly and react with the air or the gaseous water in the contacting matrix to form a foam. The cured polyurethane foam caulking a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G18/48C08J9/14A01N43/38A01N37/10A01N43/12A01N45/00A01N37/52A01N59/22A01N65/24A01N31/16A01N59/16A01P3/00A01P1/00A01P21/00A01P7/04A01P17/00
CPCC08G18/4804C08J9/141C08J9/144A01N43/38A01N37/10A01N43/12A01N45/00A01N37/52A01N59/22A01N65/24A01N31/16A01N59/16A01N65/00C08J2375/08C08J2203/182C08J2203/14C08J2203/142
Inventor 陈炳耀罗军力宁智勇
Owner GUANGDONG SANVO CHEM IND TECH
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