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Lubrizol Carbopol® TR-2 Transient Thixotropic Rheology Agent Dynamic Response Formulation Solutions

Lubrizol Carbopol® TR-2 Transient Thixotropic Rheology Agent Dynamic Response Formulation Solutions

Carbopol® TR-2 is a dynamic response upgrade product in Lubrizol's TR series. It adopts patented "Twin-Rheology" technology to achieve shear rate-dependent + time-dependent dual thixotropic control for the first time. It is designed for advanced formulations that require precise rheological programming.

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Intelligent Thixotropic Agent TR-2 Rheology-Programmed Polymers Spatiotemporal responsive thickener How to achieve self-healing rheological architecture Tips for controlling 30% suspension by adding 0.5% 2025 Frontier Rheology Technology White Paper

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Product Name	Carbopol TR-2
Brand	Lubrizol
Origin	USA
Specification	20kg/box
Size	533758CM
Qulifications	MSDS、COA、SDS、TDS、REACH、CNAS
Purity	99%
0.5% MUCILAGE	45,000-65,000 cP
Sample	Free of charge
Minimum Order Quantity	1kg

Application Area:

Application frontiers

4D printing bio-ink

Adaptive wearable device gel

Space microgravity suspension system

Brain-computer interface conductive gel

Quantum dot display material

Product Advantage

1

Dual thixotropic intelligent response

0.5% addition rheological properties:
Static viscosity: 45,000-65,000 cP (Brookfield RV#7, 20rpm)
High shear viscosity (10,000s⁻¹): 2,200-3,500 cP
Three-stage recovery kinetics:
Initial recovery (0-3 seconds): 80% viscosity recovery
Mid-term stability (3-30 seconds): 95% recovery
Final equilibrium (30-60 seconds): 102% over recovery

2

Extreme environmental stability

Temperature span: -30℃~85℃ Viscosity fluctuation <15%
Electrolyte compatibility:
10% NaCl solution viscosity retention rate: 88%
20% ethanol system viscosity retention rate: 92%

3

Supramolecular suspension network

Self-assembled three-dimensional network structure:
Suspension load increased to 35-40%
Particle size compatibility range: 50nm-500μm

4

Sustainable innovation

Bio-based content: 32% (ASTM D6866)
Production carbon footprint: 1.2kg CO₂/kg (50% lower than traditional)

Smart Operation Guide

Four-dimensional preparation process

Quantized dispersion:

Use a high shear disperser (2000rpm) to premix TR-2 with a phase change hydrating agent

Complete primary hydration within 2 minutes

Rheological programming:

Adjust pH in three stages:

Stage 1: pH 5.0 to build a basic network

Stage 2: pH 6.5 to activate the thixotropic core

Stage 3: pH 6.8 to lock the final structure

Load implantation:

Add active substances under shear field control (500-1500rpm fluctuations)

Use viscosity oscillation to achieve molecular-level encapsulation

Spatiotemporal curing:

Stand at 25°C for 24 hours to complete supramolecular self-assembly

FAQ

Q1: How to apply the "over-recovery" phenomenon of TR-2?

A: It can be used for:
Self-repairing coating
Tactile feedback skin care products
Smart drug release system
Q2: What is the ratio of compounding with traditional carbomer?

A: Recommended golden ratio:
TR-2: 980 = 1:4 (balance between cost and performance)
TR-2: Ultrez 21 = 3:7 (enhanced transparency)
Q3: How does 0.5% perform at extreme pH?

A: pH3.0: Viscosity retention rate 75%
pH9.0: Viscosity retention rate 68%
It is recommended to use with buffer system