Polyurethane foaming white material and polyurethane composition

A technology of polyurethane and composition, applied in the field of rigid polyurethane foam materials, can solve the problems such as the attenuation of the foaming reaction speed of the polyurethane composition, the inability of long-term stable storage of the polyurethane foaming white material, the increase of the thermal conductivity of the foam, and the like, so as to improve the state of the pores. , The effect of improving adhesion and good dimensional stability

A technology of polyurethane and composition, applied in the field of rigid polyurethane foam materials, can solve the problems such as the attenuation of the foaming reaction speed of the polyurethane composition, the inability of long-term stable storage of the polyurethane foaming white material, the increase of the thermal conductivity of the foam, and the like, so as to improve the state of the pores. , The effect of improving adhesion and good dimensional stability

CN104327232AInactive Publication Date: 2015-02-04HEFEI HUALING CO LTD
4 Cites 13 Cited by

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Polyurethane foaming white material and polyurethane composition
  • Polyurethane foaming white material and polyurethane composition
  • Polyurethane foaming white material and polyurethane composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] In parts by weight, mix the following components to obtain the foaming white material in the polyurethane composition: 99.4 parts of combination polyether (purchased in Ningwu Chemical Industry), 0.6 part of (2-hydroxypropyl) trimethylammonium formate (trade name for TMR-2, available from Air Products & Chemicals Inc), and 28 parts of trans-1-chloro-3,3,3-trifluoropropene (trade name LAB, available from Honeywell). The foaming black material in the polyurethane composition is: 134.4 parts of polymethylene polyphenyl polyisocyanate (trade name PM2010, purchased from Yantai Wanhua).

[0043] The above-mentioned polyurethane foaming white material and foaming black material are mixed to obtain a polyurethane composition. The mixing includes three situations: instant mixing, mixing after sealing at room temperature for 1 month, mixing after sealing at room temperature for 2 months, and foaming When the performance test is performed, the test results are shown in Table 1. ...

Embodiment 2

[0045] In parts by weight, mix the following components to obtain the foaming white material in the polyurethane composition: 99.5 parts of combined polyether (purchased in Ningwu Chemical Industry), 0.5 part of (2-hydroxypropyl) trimethylammonium formate (trade name for TMR-2, available from Air Products & Chemicals Inc), and 35 parts of trans-1-chloro-3,3,3-trifluoropropene (trade name LAB, available from Honeywell). The foaming black material in the polyurethane composition is: 137.7 parts of polymethylene polyphenyl polyisocyanate (trade name PM2010, purchased from Yantai Wanhua).

[0046] The above-mentioned polyurethane foaming white material and foaming black material are mixed to obtain a polyurethane composition. The mixing includes three situations: instant mixing, mixing after sealing at room temperature for 1 month, mixing after sealing at room temperature for 2 months, and foaming When the performance test is performed, the test results are shown in Table 1.

Embodiment 3

[0048] In parts by weight, mix the following components to obtain the foaming white material in the polyurethane composition: 99.2 parts of combination polyether (purchased in Ningwu Chemical Industry), 0.8 part of (2-hydroxypropyl) trimethylammonium formate (trade name for TMR-2, available from Air Products & Chemicals Inc), and 40 parts of trans-1-chloro-3,3,3-trifluoropropene (trade name LAB, available from Honeywell). The foaming black material in the polyurethane composition is: 141.4 parts of polymethylene polyphenyl polyisocyanate (trade name PM2010, purchased from Yantai Wanhua).

[0049] The above-mentioned polyurethane foaming white material and foaming black material are mixed to obtain a polyurethane composition. The mixing includes three situations: instant mixing, mixing after sealing at room temperature for 1 month, mixing after sealing at room temperature for 2 months, and foaming When the performance test is performed, the test results are shown in Table 1. ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
hydroxyl valueaaaaaaaaaa
hydroxyl valueaaaaaaaaaa
densityaaaaaaaaaa
Login to View More

Abstract

The invention discloses a polyurethane foaming white material. The polyurethane foaming white material comprises combined polyether, a foaming agent and a trimerization type catalyst, wherein the foaming agent comprises trans-1-chloro-3, 3, 3-trifluoropropene, and the trimerization type catalyst is (2-hydroxypropyl) trimethyl ammonium formate. The invention further provides a polyurethane composition. The polyurethane foaming white material has stability in storage, and after the polyurethane foaming white material is placed at room temperature for 1 month, the foaming reaction speed of the polyurethane composition and the heat conduction coefficient of foam are basically unchanged.

Description

technical field [0001] The invention relates to the field of rigid polyurethane foam materials, in particular to a polyurethane foam white material and a polyurethane composition. Background technique [0002] Trimeric catalysts commonly used in rigid polyurethanes are mainly tris(dimethylaminopropyl)hexahydrotriazine or tris(dimethylaminomethyl)-2,4,6-phenol, which can speed up the formation of foam Post-curing, improving mold release, suitable for rigid polyurethane foam compositions of cyclopentane foaming systems and hydrofluorocarbons (Hydrofluorocarbons, HFCs) foaming systems (rigid polyurethane foam combinations or rigid polyurethane foam foaming materials ). [0003] In response to the current energy efficiency upgrade and the EU's January 1, 2015 GWP<150 (Global Warming Potential, global warming potential) new regulations, trans-1-chloro-3,3,3-trifluoropropene (HFO-1233zd , trade name LAB) as a new type of environmentally friendly and efficient fourth-generatio...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
04 Feb 2015
Publication
CN104327232A
IPC
C08G18/50; C08G18/48; C08G18/42; C08G18/18; C08G18/09; C08G18/76; C08J9/14; C08G101/00
CPC
C08G18/1875; C08G18/4018; C08G18/482; C08J9/141; C08J9/144; C08J2375/08; C08G2110/005
Inventors
θ΅΅ε£«θ™Ž; 李彩δΎ