SolsticeTM LBA (HFO-1233zd, 1-chloro, 3, 3, 3 trifluoropropylene) is the fourth generation low global warming potential (GWP) foam first launched by Honeywell Agent, suitable for foaming polyurethane insulation materials in the fields of household appliances, building insulation, cold chain transportation and industrial insulation. It is the best alternative foaming agent for CFC, HCFC, HFC and other non-fluorocarbon foaming agents. It is a new generation foaming agent suitable for the polyurethane foaming industry that can meet various process and environmental protection requirements at the same time. It has the characteristics of high efficiency, energy saving, non-flammability, no volatile organic compounds, low global warming potential, safety and environmental protection. After continuous optimization of formula and process parameters, polyurethane foam made with SolsticeTM LBA, a new generation of high-efficiency, energy-saving and environmentally friendly foaming agent, has a better thermal conductivity than the existing foaming agent system (245fa and cyclopentane). And the energy consumption level of the whole machine is 7% (compared to the 245fa system) and 12% (compared to the cyclopentane system) lower in thermal conductivity than the same model of 245fa and cyclopentane system refrigerators respectively, and the whole machine is Energy consumption was reduced by 3% (245fa) and 7% (cyclopentane).
Although LBA foaming agent has many of the above advantages, it also faces some problems in practical application. From the perspective of our catalyst, the main problem is: catalyst deactivation caused by the decomposition of halogen-containing foaming agent , so traditional catalysts are not suitable in the LBA system, but the fact of global warming forces us to choose LBA, that is, a foaming agent with an ODP value of 0; a global warming potential GWP of less than 5, which can simultaneously meet the requirements of the Montreal Protocol and the environmental protection requirements of the Kyoto Protocol, so the catalyst can only re-select a new catalyst system suitable for this type of blowing agent.
The specific case analysis will be carried out below. Before the specific case analysis, the comparison method will be explained as follows: "Stability" refers to the premix containing all components of the foamable composition except isocyanate. The material will have sufficient activity after heat aging for 2 weeks in an oven set to 50°C (in a sealed container). During the aging process, hydrofluoroolefin (HFO) blowing agents may decompose, causing the premix to lose activity. This deactivation can be measured using standard FOMAT equipment and measuring the foam rate of the rise curve, which involves recording height versus time and foam rise rate versus time during the polymerization process. Deactivation was measured by monitoring the change in the time (in seconds) for the foam to reach 80% of the maximum height achieved at different times during the aging process. Improvements in catalyst performance can then be measured by recording changes in AThAge-TInitial. For example, a formulation that takes 20 seconds to reach 80% of the maximum height achieved when initially prepared may experience reactivity decay after two weeks of storage at 50°C and then take 30 seconds to reach 80% of the maximum height achieved ( Measured by FOMAT device). Then AT will be 10 seconds. Therefore, when comparing catalyst compositions, smaller changes in AT are required because such smaller changes are associated with lower activity losses during aging. Smaller changes in AT mean, for example, that a suitable spray foam formulation can still produce foam after aging without the need to add additional fresh catalyst to the premix to prevent the reaction mixture from sagging, dripping or collapsing during application . To obtain a stable foam formulation, it is preferred that the reactive AT change be less than about 7 seconds. More preferably the reactive AT change is less than about 5 seconds, less than about 4 seconds and in some cases less than about 3 seconds.
Specific embodiments are listed as follows: About 100g of the above premix is added to a plastic container, sealed, and adjusted in an oven at 50°C for 7 or 14 days in a sealed container. The sample is allowed to equilibrate at room temperature and then mixed with corresponding amounts of isocyanate (typically about 25g polyol premix and 25g isocyanate) under vigorous mechanical agitation provided by a mechanical mixing blade at approximately 3000 rpm. Measure the foam rise under sonar detection equipment (FOMAT model V3.5 and standard software included with the FOMAT equipment) and record the selection time for each case. The selection time is measured in seconds and represents the time required for each foam to reach 80% of its full height. Time record 1 is the selection time of the assembled and immediately foamed premix, T2 is the selection time after conditioning at 50°C for 7 days, and T3 is the selection time after conditioning at 50°C for 14 days. AT is the reactive attenuation or the difference between T3 and T1. Under these conditions, less than 5 seconds of AT is required to have proper system stability.
Table 1 shows the basic formula in the implementation process. Other raw materials remain unchanged, and only the type of catalyst is changed in the entire process.
|
Basic recipe table |
|
|
Material type |
Adding amount (PPHP) |
|
50 |
|
|
Polyester polyol |
50 |
|
Flame retardant TCPP |
20 |
|
Silicone oil |
3 |
|
Foaming agent LBA |
10 |
|
Water |
3 |
|
Catalyst combination |
Variable |
Table 2 shows that standard amine catalysts PC5 and A33 show significant loss of reactivity after aging, as evidenced by high AT.
|
Catalyst types |
Dosage (PPHP) |
T1(S) |
T2(S) |
T3(S) |
AT(S) |
|
NT CAT PC5 |
2.8 |
12 |
17 |
22 |
10 |
|
NT CAT A33 |
2.8 |
33 |
49 |
49 |
15 |
Table 3 shows the new LBA system catalyst and can show improved stability when aged at 50°C for two weeks with AT<5 seconds.
|
Catalyst types |
Dosage (PPHP) |
T1(S) |
T2(S) |
T3(S) |
AT(S) |
|
NT CAT LBC200+NT CAT LBC100 |
2.8 |
21 |
23 |
25 |
4 |
Table 4 shows the new LBA system catalysts and can show improved stability when aged at 50° C for two weeks,
And AT<5 seconds.
|
Catalyst types |
Dosage (PPHP) |
T1(S) |
T2(S) |
T3(S) |
AT (S) |
|
NT CAT LBC300+NT CAT LBC100 |
2.8 |
20 |
23 |
24 |
4 |
Table 5 shows the new LBA system catalyst and can show improved stability when aged at 50°C for two weeks with AT<5 seconds.
|
Catalyst types |
Dosage (PPHP) |
T1(S) |
T2(S) |
T3(S) |
AT(S) |
|
NT CAT LBC200+NT CAT LBC100+NT CAT LBC400 |
2.8 |
18 |
22 |
21 |
3 |
This catalyst combination can be used to produce any rigid insulating foam, and is particularly useful in spray foam, appliance insulation, insulated building panels and a variety of other insulation products containing closed-cell rigid polyurethane foam. Especially suitable for improving the stability of systems containing hydrohaloolefin blowing agents, such as HFCO-1234ze (trans 1,3,3,3-tetrafluoroprop-1-ene) and HFCO-1233zd
At least one of (trans 1,3,3,3-tetrafluoroprop-1-ene). 1-propene, 1-chloro-3,3,3-trifluoro) and other HFOs.
TechnicalSupport:183-0190-3156
ellspacing="0">
Catalyst types
Dosage (PPHP)
T1(S)
T2(S)
T3(S)
AT (S)
NT CAT
LBC300+NT
CAT LBC100
2.8
20
23
24
4
Table 5 shows the new LBA system catalyst and can show improved stability when aged at 50°C for two weeks with AT<5 seconds.
|
Catalyst types |
Dosage (PPHP) |
T1(S) |
T2(S) |
T3(S) |
AT(S) |
|
NT CAT LBC200+NT CAT LBC100+NT CAT LBC400 |
2.8 |
18 |
22 |
21 |
3 |
This catalyst combination can be used to produce any rigid insulating foam, and is particularly useful in spray foam, appliance insulation, insulated building panels and a variety of other insulation products containing closed-cell rigid polyurethane foam. Especially suitable for improving the stability of systems containing hydrohaloolefin blowing agents, such as HFCO-1234ze (trans 1,3,3,3-tetrafluoroprop-1-ene) and HFCO-1233zd
At least one of (trans 1,3,3,3-tetrafluoroprop-1-ene). 1-propene, 1-chloro-3,3,3-trifluoro) and other HFOs.
TechnicalSupport:183-0190-3156
Our Company Since its establishment, the company has adhered to the service tenet of "integrity-based, customer first", adhered to customer demand as the focus, market-oriented, adhered to technological innovation, management innovation and service innovation, and constantly implemented lean production, refined management, to provide customers with better products and services! The company has its own factory, research and development base, set up a strict scientific quality management system, and constantly committed to technological innovation, product innovation and management innovation, so as to ensure that our products have a certain competitiveness in the same industry. The factory is located in Jining City, Shandong Province, China, covering an area of 500 acres, and the current production capacity of various types of amines is 5,000 to 10,000 tons per year. Our Advantages Strict Quality Management Our company strictly implements ISO9002 quality management standards and has established a complete quality management system to ensure the long-term stability of product quality. Efficient Service Our production is efficient and reliable, so we deliver on time and within delivery deadlines. At the same time, our team is always happy to help customers and strive to solve customer problems in a short time. Competitive Price We have long-term services in wholesale Polyurethane catalyst and have established long-term and stable cooperative relationships with many retailers and agents to provide our customers with reasonably priced products. OEM Available Our employee team has high R&D capabilities, superb design and development capabilities, skilled manufacturing technology, and rich product application experience, and can also meet OEM business needs.throughout the entire industry chain.
微信扫一扫打赏
