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This article provides solutions for thread breakage or dropping in quilting machines and offers guidelines for regular maintenance to ensure smooth and efficient operation.

2024 05 22

Quilting Knowledge Series (Part 2)

The article briefly describes how to correctly control the tightness of the upper thread, how to draw a pattern and how to troubleshoot the cause of abnormal noise in a quilting machine.

2024 05 21

Quilting Knowledge Series (Part 1)

This article provides solutions for common issues with quilting machines, including thread pickup failures, imperfect circles, and uneven patterns, by adjusting machine settings and parameters.

2024 05 20

Basic Concept Q&A on Polyurethane(Part Ten)

This article explores the characteristics, performance features, classifications, and molecular structure factors of polyurethane elastomers, with a focus on differences between polyester-type and polyether-type elastomers, highlighting their respective strengths and applications.

2024 05 18

Basic Concept Q&A on Polyurethane(Part Nine)

This article explores the characteristics, uses, and formulation principles of cold-molded soft foam, soft foam, and rigid foam, including the preparation of integral skin foam, highlighting their unique properties and diverse industrial applications.

2024 05 17

Basic Concept Q&A on Polyurethane(Part Eight)

This article compares the characteristics of horizontal and vertical foaming processes, outlines key considerations for selecting raw materials for soft foam preparation, examines environmental impacts on foam properties, and differentiates between cold and hot molded soft foam techniques.

2024 05 16

Basic Concept Q&A on Polyurethane(Part Seven)

This article explores the mechanisms and roles of various agents in bubble nucleation, foam stabilization, and the preparation of polyurethane foams, detailing both physical and chemical processes and their applications in producing open-cell and closed-cell foams.

2024 05 15

Basic Concept Q&A on Polyurethane(Part Six)

Polyurethane materials exhibit diverse properties influenced by factors like molecular structure and foam composition. Understanding these aspects is crucial for optimizing their performance in various applications.

2024 05 14

Basic Concept Q&A on Polyurethane(Part Five)

Polyurethane, a versatile polymer, exhibits diverse properties influenced by its block copolymer structure. Understanding its composition and synthesis methods is crucial for optimizing its performance in various applications.

2024 05 11

Basic Concept Q&A on Polyurethane(Part Four)

Delve into the catalytic effects of amine and tin catalysts on isocyanate reactions, explore the block copolymer nature of polyurethane resin, and understand how molecular segments influence material properties and foam classifications.

2024 05 10

Basic Concept Q&A on Polyurethane(Part Three)

This article explores the factors influencing the reactivity of isocyanate esters, including structural effects, types of compounds with active hydrogen, and the impact of hydroxyl compounds, shedding light on polyurethane production processes.

2024 05 09

Basic Concept Q&A on Polyurethane(Part Two)

This article explores the modification of MDI and the production methods of polyester polyols, elucidating the diverse types of polymeric polyols, their structural characteristics, and the mechanisms involved in isocyanate reactions.

2024 05 07

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Introduction to Polyurethane Basics

Over 20 years of first-hand production and usage experience, our technology development team aims to make every machine exhibit the characteristics of simplicity, labor efficiency, ease of operation, and minimal maintenance.