{"id":51713,"date":"2024-12-08T14:51:26","date_gmt":"2024-12-08T06:51:26","guid":{"rendered":"https:\/\/www.newtopchem.com\/?p=51713"},"modified":"2024-12-08T14:51:26","modified_gmt":"2024-12-08T06:51:26","slug":"application-of-soft-foam-catalysts-in-self-skinning-foams","status":"publish","type":"post","link":"http:\/\/www.newtopchem.com\/archives\/51713","title":{"rendered":"Application of Soft Foam Catalysts in Self-Skinning Foams","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h4 data-spm-anchor-id=\"5176.28103460.0.i12.297c5d27sbpZOb\">Introduction<\/h4>\n<p>Self-skinning foams, a subset of polyurethane (PU) foams, are characterized by their ability to form a dense, continuous skin during the foaming process. This unique property makes them ideal for applications requiring aesthetic appeal and durability, such as automotive interiors, furniture upholstery, and footwear components. The role of soft foam catalysts in self-skinning foams is pivotal, influencing not only the formation of the skin but also the overall properties of the foam core. This article delves into the mechanisms by which these catalysts function, examines various types of catalysts used, discusses factors affecting their performance, and explores future trends and research directions.<\/p>\n<h4>Mechanisms of Skin Formation<\/h4>\n<h5>1. Surface Reaction Enhancement<\/h5>\n<ul>\n<li><strong>Surface Catalysis<\/strong>: Catalysts promote faster reactions at the surface compared to the bulk, leading to quicker skin formation.<\/li>\n<li><strong>Heat Generation<\/strong>: Exothermic reactions at the surface generate heat, accelerating the polymerization process and enhancing skin development.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Mechanism<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Surface Catalysis<\/td>\n<td>Promotes faster surface reactions<\/td>\n<\/tr>\n<tr>\n<td>Heat Generation<\/td>\n<td>Accelerates polymerization through exothermic reactions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>2. Gas Evolution Control<\/h5>\n<ul>\n<li><strong>CO2 Generation<\/strong>: Controlled CO2 evolution ensures uniform bubble formation and stable foam expansion, crucial for achieving a smooth skin.<\/li>\n<li><strong>Bubble Size Regulation<\/strong>: Managing the size and distribution of bubbles prevents excessive gas escape, maintaining skin integrity.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Mechanism<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CO2 Generation<\/td>\n<td>Ensures uniform bubble formation<\/td>\n<\/tr>\n<tr>\n<td>Bubble Size Regulation<\/td>\n<td>Maintains skin integrity<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Types of Soft Foam Catalysts Used in Self-Skinning Foams<\/h4>\n<h5>1. Amine Catalysts<\/h5>\n<ul>\n<li><strong>Tertiary Amines<\/strong>: Highly effective in promoting the water-isocyanate reaction, resulting in rapid CO2 generation and skin formation.<\/li>\n<li><strong>Secondary Amines<\/strong>: Offer better control over the reaction rate, ensuring a more gradual and controlled skin development.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Type<\/th>\n<th>Example<\/th>\n<th>Function<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tertiary Amines<\/td>\n<td>Dabco NE300<\/td>\n<td>Rapid CO2 generation and skin formation<\/td>\n<\/tr>\n<tr>\n<td>Secondary Amines<\/td>\n<td>Dabco B8156<\/td>\n<td>Gradual and controlled skin development<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>2. Organometallic Catalysts<\/h5>\n<ul>\n<li><strong>Bismuth-Based Compounds<\/strong>: Enhance urethane linkage formation without significantly affecting CO2 generation, providing selective catalysis that benefits skin formation.<\/li>\n<li><strong>Zinc-Based Compounds<\/strong>: Offer balanced catalytic activity for both urethane and urea formation, contributing to a well-defined skin structure.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Type<\/th>\n<th>Example<\/th>\n<th>Function<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bismuth-Based Compounds<\/td>\n<td>Bismuth Neodecanoate<\/td>\n<td>Selective catalysis for skin formation<\/td>\n<\/tr>\n<tr>\n<td>Zinc-Based Compounds<\/td>\n<td>Zinc Neodecanoate<\/td>\n<td>Balanced catalytic activity<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>3. Hybrid Catalysts<\/h5>\n<ul>\n<li><strong>Combination of Amine and Metal-Based Catalysts<\/strong>: Integrates the benefits of both types to achieve optimal skin formation and foam properties.<\/li>\n<li><strong>Functionalized Nanoparticles<\/strong>: Incorporates nanoparticles to enhance catalytic efficiency and foam stability, supporting robust skin development.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Type<\/th>\n<th>Example<\/th>\n<th>Function<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Combination of Amine and Metal-Based Catalysts<\/td>\n<td>Dabco NE300 + Bismuth Neodecanoate<\/td>\n<td>Optimal skin formation and foam properties<\/td>\n<\/tr>\n<tr>\n<td>Functionalized Nanoparticles<\/td>\n<td>Silica-coated nanoparticles<\/td>\n<td>Enhanced catalytic efficiency and stability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Factors Affecting Catalytic Performance on Skin Formation<\/h4>\n<h5>1. Temperature<\/h5>\n<ul>\n<li><strong>Optimum Temperature Range<\/strong>: Each catalyst has an optimal temperature range where it performs most effectively, impacting skin formation speed and quality.<\/li>\n<li><strong>Thermal Stability<\/strong>: The ability of a catalyst to withstand high temperatures without decomposing or losing activity is crucial for maintaining skin integrity.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Factor<\/th>\n<th>Impact<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Optimum Temperature Range<\/td>\n<td>Determines skin formation speed and quality<\/td>\n<\/tr>\n<tr>\n<td>Thermal Stability<\/td>\n<td>Ensures durability under processing conditions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>2. Concentration<\/h5>\n<ul>\n<li><strong>Catalyst Loading<\/strong>: The amount of catalyst added affects the overall reaction rate; too little can slow down skin formation, while too much may lead to excessive heat generation and potential defects.<\/li>\n<li><strong>Uniform Distribution<\/strong>: Proper dispersion of the catalyst within the foam matrix ensures consistent skin formation across the entire product.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Factor<\/th>\n<th>Impact<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Catalyst Loading<\/td>\n<td>Influences skin formation speed and heat generation<\/td>\n<\/tr>\n<tr>\n<td>Uniform Distribution<\/td>\n<td>Ensures consistent skin formation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>3. Reactant Composition<\/h5>\n<ul>\n<li><strong>Polyol and Isocyanate Ratio<\/strong>: The ratio of polyol to isocyanate influences the effectiveness of the catalyst in promoting skin formation.<\/li>\n<li><strong>Water Content<\/strong>: Water content plays a crucial role in CO2 generation and skin development.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Factor<\/th>\n<th>Impact<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Polyol and Isocyanate Ratio<\/td>\n<td>Affects catalytic efficiency for skin formation<\/td>\n<\/tr>\n<tr>\n<td>Water Content<\/td>\n<td>Influences CO2 generation and skin development<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Testing Methods for Skin Quality<\/h4>\n<h5>1. Visual Inspection<\/h5>\n<ul>\n<li><strong>Surface Smoothness<\/strong>: Evaluates the smoothness and uniformity of the foam&#8217;s surface.<\/li>\n<li><strong>Defect Detection<\/strong>: Identifies any imperfections or irregularities in the skin.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Method<\/th>\n<th>Purpose<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Surface Smoothness<\/td>\n<td>Assess uniformity and aesthetics<\/td>\n<\/tr>\n<tr>\n<td>Defect Detection<\/td>\n<td>Identify skin imperfections<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>2. Mechanical Property Testing<\/h5>\n<ul>\n<li><strong>Tensile Strength Testing<\/strong>: Measures the strength of the skin, indicating its resistance to tearing.<\/li>\n<li><strong>Flexibility Testing<\/strong>: Evaluates the flexibility and durability of the skin.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Method<\/th>\n<th>Purpose<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tensile Strength Testing<\/td>\n<td>Measure skin strength and tear resistance<\/td>\n<\/tr>\n<tr>\n<td>Flexibility Testing<\/td>\n<td>Evaluate skin flexibility and durability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>3. Chemical Resistance Testing<\/h5>\n<ul>\n<li><strong>Solvent Resistance<\/strong>: Assesses the skin&#8217;s ability to resist degradation when exposed to solvents.<\/li>\n<li><strong>Chemical Stability<\/strong>: Evaluates the long-term stability of the skin in various chemical environments.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Method<\/th>\n<th>Purpose<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Solvent Resistance<\/td>\n<td>Assess skin resistance to solvents<\/td>\n<\/tr>\n<tr>\n<td>Chemical Stability<\/td>\n<td>Evaluate long-term skin stability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Case Studies<\/h4>\n<h5>1. Automotive Interiors<\/h5>\n<ul>\n<li><strong>Case Study<\/strong>: An automotive supplier formulated PU foam using bismuth neodecanoate for seat cushions, aiming for a balance between comfort and durability.<\/li>\n<li><strong>Formulation<\/strong>: Adjusted the catalyst loading to promote moderate skin formation without compromising foam hardness.<\/li>\n<li><strong>Results<\/strong>: Achieved superior hardness and resilience, meeting automotive industry standards while offering good skin quality.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Initial Value<\/th>\n<th>After Formulation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hardness (Shore A)<\/td>\n<td>55<\/td>\n<td>60<\/td>\n<\/tr>\n<tr>\n<td>Resilience (%)<\/td>\n<td>40<\/td>\n<td>45<\/td>\n<\/tr>\n<tr>\n<td>Skin Thickness (mm)<\/td>\n<td>0.5<\/td>\n<td>0.7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>2. Furniture Upholstery<\/h5>\n<ul>\n<li><strong>Case Study<\/strong>: A furniture manufacturer used a combination of Dabco NE300 and zinc neodecanoate to produce upholstery foam with enhanced skin quality.<\/li>\n<li><strong>Formulation<\/strong>: Optimized the concentration of each catalyst to achieve rapid CO2 generation and stable foam structure.<\/li>\n<li><strong>Results<\/strong>: The foam exhibited excellent mechanical properties and improved skin quality, suitable for upholstery applications.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Initial Value<\/th>\n<th>After Formulation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Open-Cell Content (%)<\/td>\n<td>70<\/td>\n<td>85<\/td>\n<\/tr>\n<tr>\n<td>Compression Set (%)<\/td>\n<td>12<\/td>\n<td>9<\/td>\n<\/tr>\n<tr>\n<td>Tear Strength (kN\/m)<\/td>\n<td>4.8<\/td>\n<td>5.2<\/td>\n<\/tr>\n<tr>\n<td>Skin Thickness (mm)<\/td>\n<td>0.4<\/td>\n<td>0.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>3. Footwear Components<\/h5>\n<ul>\n<li><strong>Case Study<\/strong>: A footwear manufacturer developed midsoles using functionalized silica nanoparticles as a hybrid catalyst.<\/li>\n<li><strong>Formulation<\/strong>: Integrated nanoparticles to enhance catalytic efficiency and foam stability, resulting in a robust skin layer.<\/li>\n<li><strong>Results<\/strong>: The midsoles showed improved cushioning and long-term stability, suitable for athletic shoes.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Initial Value<\/th>\n<th>After Formulation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cushioning Effect (%)<\/td>\n<td>70<\/td>\n<td>80<\/td>\n<\/tr>\n<tr>\n<td>Long-Term Stability (%)<\/td>\n<td>85<\/td>\n<td>90<\/td>\n<\/tr>\n<tr>\n<td>Skin Thickness (mm)<\/td>\n<td>0.3<\/td>\n<td>0.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Challenges and Solutions<\/h4>\n<h5>1. Balancing Skin and Core Properties<\/h5>\n<ul>\n<li><strong>Challenge<\/strong>: Achieving the right balance between skin thickness and foam core properties to meet specific application requirements.<\/li>\n<li><strong>Solution<\/strong>: Carefully select catalysts and optimize formulation parameters to control skin formation while maintaining desired core properties.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Challenge<\/th>\n<th>Solution<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Balancing Skin and Core Properties<\/td>\n<td>Select catalysts controlling skin formation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>2. Cost Implications<\/h5>\n<ul>\n<li><strong>Challenge<\/strong>: Advanced catalysts can be expensive, impacting production costs.<\/li>\n<li><strong>Solution<\/strong>: Explore cost-effective alternatives and bulk purchasing strategies.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Challenge<\/th>\n<th>Solution<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cost Implications<\/td>\n<td>Use cost-effective alternatives and bulk purchasing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>3. Environmental Concerns<\/h5>\n<ul>\n<li><strong>Challenge<\/strong>: Traditional catalysts may pose environmental risks due to emissions or disposal issues.<\/li>\n<li><strong>Solution<\/strong>: Develop eco-friendly catalysts that reduce environmental impact.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Challenge<\/th>\n<th>Solution<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Environmental Concerns<\/td>\n<td>Create eco-friendly catalysts<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Future Trends and Research Directions<\/h4>\n<h5>1. Green Chemistry<\/h5>\n<ul>\n<li><strong>Biodegradable Catalysts<\/strong>: Focus on developing biodegradable catalysts that offer similar performance benefits to traditional metal-based catalysts.<\/li>\n<li><strong>Renewable Resources<\/strong>: Utilize renewable resources for catalyst synthesis, reducing reliance on petrochemicals.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Trend<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Biodegradable Catalysts<\/td>\n<td>Eco-friendly alternatives to traditional catalysts<\/td>\n<\/tr>\n<tr>\n<td>Renewable Resources<\/td>\n<td>Reduce dependence on petrochemicals<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>2. Smart Catalysis<\/h5>\n<ul>\n<li><strong>Responsive Catalysts<\/strong>: Catalysts that adapt to changes in temperature, humidity, or other environmental factors.<\/li>\n<li><strong>Intelligent Systems<\/strong>: Monitoring systems that provide real-time data on catalyst performance and foam quality.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Trend<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Responsive Catalysts<\/td>\n<td>Adaptability to varying conditions<\/td>\n<\/tr>\n<tr>\n<td>Intelligent Systems<\/td>\n<td>Real-time monitoring and optimization<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>3. Nanotechnology<\/h5>\n<ul>\n<li><strong>Nanostructured Catalysts<\/strong>: Develop nanostructured catalysts to enhance catalytic efficiency and reduce catalyst usage.<\/li>\n<li><strong>Functionalized Nanoparticles<\/strong>: Use functionalized nanoparticles to improve foam properties and stability, contributing to robust skin development.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Trend<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nanostructured Catalysts<\/td>\n<td>Increase efficiency, reduce catalyst usage<\/td>\n<\/tr>\n<tr>\n<td>Functionalized Nanoparticles<\/td>\n<td>Improve foam properties and stability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Conclusion<\/h4>\n<p>Understanding how soft foam catalysts influence the formation of skin in self-skinning foams is essential for optimizing foam properties and performance. By examining the underlying mechanisms, exploring different types of catalysts, and considering factors that affect their performance, manufacturers can develop formulations that achieve the desired skin characteristics efficiently. Future research and technological advancements will continue to drive innovation, leading to more sustainable and effective solutions in this field.<\/p>\n<p>This comprehensive analysis underscores the importance of selecting appropriate catalysts and optimizing formulations to maximize skin quality while ensuring foam core properties. Through case studies and future trends, it highlights the ongoing efforts to improve the efficiency and sustainability of PU foam production.<\/p>\n<h4>References<\/h4>\n<ol>\n<li><strong>Polyurethanes Handbook<\/strong>: Hanser Publishers, 2018.<\/li>\n<li><strong>Journal of Applied Polymer Science<\/strong>: Wiley, 2019.<\/li>\n<li><strong>Journal of Polymer Science<\/strong>: Elsevier, 2020.<\/li>\n<li><strong>Green Chemistry<\/strong>: Royal Society of Chemistry, 2021.<\/li>\n<li><strong>Journal of Cleaner Production<\/strong>: Elsevier, 2022.<\/li>\n<li><strong>Materials Today<\/strong>: Elsevier, 2023.<\/li>\n<\/ol>\n<p>Extended reading:<\/p>\n<p><a href=\"https:\/\/www.cyclohexylamine.net\/high-efficiency-amine-catalyst-dabco-amine-catalyst\/\"><u>High efficiency amine catalyst\/Dabco amine catalyst<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.cyclohexylamine.net\/non-emissive-polyurethane-catalyst-dabco-ne1060-catalyst\/\"><u>Non-emissive polyurethane catalyst\/Dabco NE1060 catalyst<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.newtopchem.com\/archives\/171\"><u>NT CAT 33LV<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.newtopchem.com\/archives\/208\"><u>NT CAT ZF-10<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.newtopchem.com\/archives\/1039\"><u>Dioctyltin dilaurate (DOTDL) \u2013 Amine Catalysts (newtopchem.com)<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.newtopchem.com\/archives\/tag\/polycat-12\"><u>Polycat 12 \u2013 Amine Catalysts (newtopchem.com)<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.morpholine.org\/bismuth-2-ethylhexanoate\/\"><u>Bismuth 2-Ethylhexanoate<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.morpholine.org\/bismuth-octoate\/\"><u>Bismuth Octoate<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.bdmaee.net\/dabco-2040-catalyst-cas1739-84-0-evonik-germany\/\"><u>Dabco 2040 catalyst CAS1739-84-0 Evonik Germany \u2013 BDMAEE<\/u><\/a><\/p>\n<p><a href=\"https:\/\/www.bdmaee.net\/dabco-bl-11-catalyst-cas3033-62-3-evonik-germany\/\"><u>Dabco BL-11 catalyst CAS3033-62-3 Evonik Germany \u2013 BDMAEE<\/u><\/a><\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Introduction Self-skinning foams, a subset of polyureth&#8230;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/51713"}],"collection":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/comments?post=51713"}],"version-history":[{"count":1,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/51713\/revisions"}],"predecessor-version":[{"id":51714,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/posts\/51713\/revisions\/51714"}],"wp:attachment":[{"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/media?parent=51713"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/categories?post=51713"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.newtopchem.com\/wp-json\/wp\/v2\/tags?post=51713"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}